Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	May 5, 2021, 8:14 p.m.	May 5, 2021, 8:20 p.m.

Size	2.2MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`7cef0587c3a904ca005df0ea9e9c88e0`
SHA256	`0df50fffae1f82940ba8ac5af3ea2d3f1a2d79b830ebf7e441ff5e25cc254189`
CRC32	`A1C33DB4`
ssdeep	`3072:zFUmLW0eER2jeqy49jnQ9DRHI/35KSYNHTMYvdcDd9O7eCakOla14yItbcdfQgUW:`
Yara	Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description)

FRK.exe "C:\Users\test22\AppData\Local\Temp\FRK.exe"
2972
- cmd.exe "C:\Windows\System32\cmd.exe" /c timeout 1
  1556
  - timeout.exe timeout 1
    1396
- FRK.exe "C:\Users\test22\AppData\Local\Temp\FRK.exe"
  1812
  - schtasks.exe "schtasks.exe" /create /f /tn "SMTP Host" /xml "C:\Users\test22\AppData\Local\Temp\tmp6848.tmp"
    2412
  - schtasks.exe "schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\test22\AppData\Local\Temp\tmp6981.tmp"
    2472

Name	Response	Post-Analysis Lookup
hdgavzxcniopkjhsvcbnxmnzvqaswyiokdseacbu.ydns.eu	A 172.111.157.26	172.111.157.26

IP Address	Status	Action
164.124.101.2	Active	Moloch
172.111.157.26	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW May 5, 2021, 8:14 p.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW May 5, 2021, 8:14 p.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent May 5, 2021, 8:14 p.m.			0	0
IsDebuggerPresent May 5, 2021, 8:14 p.m.			0	0
IsDebuggerPresent May 5, 2021, 8:14 p.m.			0	0
IsDebuggerPresent May 5, 2021, 8:14 p.m.			0	0

Command line console output was observed (4 events)

Time & API	Arguments	Status	Return
WriteConsoleW May 5, 2021, 8:14 p.m.	buffer: Waiting for 1 console_handle: 0x00000007	1	1
WriteConsoleW May 5, 2021, 8:14 p.m.	buffer: seconds, press a key to continue ... console_handle: 0x00000007	1	1
WriteConsoleW May 5, 2021, 8:14 p.m.	buffer: SUCCESS: The scheduled task "SMTP Host" has successfully been created. console_handle: 0x00000007	1	1
WriteConsoleW May 5, 2021, 8:14 p.m.	buffer: SUCCESS: The scheduled task "SMTP Host Task" has successfully been created. console_handle: 0x00000007	1	1

Uses Windows APIs to generate a cryptographic key (6 events)

Time & API	Arguments	Status	Return
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d10b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d11b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d11b0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d10f0 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d1230 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 5, 2021, 8:14 p.m.	buffer: <INVALID POINTER> crypto_handle: 0x003d1270 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

Collects information to fingerprint the system (MachineGuid, DigitalProductId, SystemBiosDate) (1 event)

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx May 5, 2021, 8:14 p.m.		1	1	0

One or more potentially interesting buffers were extracted, these generally contain injected code, configuration data, etc.

Allocates read-write-execute memory (usually to unpack itself) (50 out of 128 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 2293760 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006c0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x008b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72741000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72742000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a80000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ae0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00522000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00670000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00555000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00557000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00547000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0052a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00546000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b2f000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00671000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0054c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff48000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff30000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0xfff30000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00672000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00673000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00674000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00675000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0053d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00676000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 process_handle: 0xffffffff	1

Checks whether any human activity is being performed by constantly checking whether the foreground window changed

Creates a suspicious process (4 events)

cmdline	"schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\test22\AppData\Local\Temp\tmp6981.tmp"
cmdline	cmd.exe /c timeout 1
cmdline	"schtasks.exe" /create /f /tn "SMTP Host" /xml "C:\Users\test22\AppData\Local\Temp\tmp6848.tmp"
cmdline	"C:\Windows\System32\cmd.exe" /c timeout 1

A process created a hidden window (3 events)

Time & API	Arguments	Status	Return
ShellExecuteExW May 5, 2021, 8:14 p.m.	show_type: 0 filepath_r: cmd.exe parameters: /c timeout 1 filepath: cmd.exe	1	1
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 2576 thread_handle: 0x000002c8 process_identifier: 2412 current_directory: C:\Users\test22\AppData\Local\Temp filepath: track: 1 command_line: "schtasks.exe" /create /f /tn "SMTP Host" /xml "C:\Users\test22\AppData\Local\Temp\tmp6848.tmp" filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 1 process_handle: 0x000002cc	1	1
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 752 thread_handle: 0x000002c8 process_identifier: 2472 current_directory: C:\Users\test22\AppData\Local\Temp filepath: track: 1 command_line: "schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\test22\AppData\Local\Temp\tmp6981.tmp" filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 1 process_handle: 0x000002d4	1	1

Checks for the Locally Unique Identifier on the system for a suspicious privilege (2 events)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW May 5, 2021, 8:14 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0
LookupPrivilegeValueW May 5, 2021, 8:14 p.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (9 events)

description	Communications use DNS	rule	Network_DNS
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep

Terminates another process (2 events)

Time & API	Arguments	Status	Return	Repeated
NtTerminateProcess May 5, 2021, 8:14 p.m.	status_code: 0xffffffff process_identifier: 2164 process_handle: 0x000003b0		0	0
NtTerminateProcess May 5, 2021, 8:14 p.m.	status_code: 0xffffffff process_identifier: 2164 process_handle: 0x000003b0	1	0	0

Uses Windows utilities for basic Windows functionality (2 events)

cmdline	"schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\test22\AppData\Local\Temp\tmp6981.tmp"
cmdline	"schtasks.exe" /create /f /tn "SMTP Host" /xml "C:\Users\test22\AppData\Local\Temp\tmp6848.tmp"

One or more of the buffers contains an embedded PE file (2 events)

buffer	Buffer with sha1: 874b7c3c97cc5b13b9dd172fec5a54bc1f258005
buffer	Buffer with sha1: 874f3caf663265f7dd18fb565d91b7d915031251

Allocates execute permission to another process indicative of possible code injection (2 events)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2164 region_size: 237568 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003a8		3221225496	0
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 1812 region_size: 237568 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003ac	1	0	0

Looks for the Windows Idle Time to determine the uptime (1 event)

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation May 5, 2021, 8:14 p.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

A process attempted to delay the analysis task. (1 event)

description

FRK.exe tried to sleep 5112578219 seconds, actually delayed analysis time by 5112578219 seconds

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\SMTP Host

reg_value

C:\Program Files (x86)\SMTP Host\smtphost.exe

Manipulates memory of a non-child process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2972 manipulating memory of non-child process 2164
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2164 region_size: 237568 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003a8		3221225496	0

Potential code injection by writing to the memory of another process (3 events)

Time & API	Arguments	Status	Return
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¡'éTàÈfç @ 8çW c H.textÇ È `.relocÊ@B.rsrcc dÌ@@ base_address: 0x00400000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: à7 base_address: 0x00420000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: @ base_address: 0xfffde008 process_identifier: 1812 process_handle: 0x000003ac	1	1

Code injection by writing an executable or DLL to the memory of another process (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¡'éTàÈfç @ 8çW c H.textÇ È `.relocÊ@B.rsrcc dÌ@@ base_address: 0x00400000 process_identifier: 1812 process_handle: 0x000003ac	1	1	0

Used NtSetContextThread to modify a thread in a remote process indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2972 called NtSetContextThread to modify thread in remote process 1812
NtSetContextThread May 5, 2021, 8:14 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4319122 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003b0 process_identifier: 1812	1	0	0

Attempts to remove evidence of file being downloaded from the Internet (1 event)

file	C:\Users\test22\AppData\Local\Temp\FRK.exe:Zone.Identifier

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2972 resumed a thread in remote process 1812
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003b0 suspend_count: 1 process_identifier: 1812	1	0	0

File has been identified by 21 AntiVirus engines on VirusTotal as malicious (21 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.7cef0587c3a904ca
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
Cybereason	malicious.b142f0
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/GenKryptik.FEXY
APEX	Malicious
Avast	Win32:MalwareX-gen [Trj]
Kaspersky	UDS:DangerousObject.Multi.Generic
Paloalto	generic.ml
Sophos	ML/PE-A
McAfee-GW-Edition	BehavesLike.Win32.Generic.vz
SentinelOne	Static AI - Malicious PE
Cynet	Malicious (score: 100)
BitDefenderTheta	Gen:NN.ZemsilF.34688.oo0@aC7H69pi
Malwarebytes	MachineLearning/Anomalous.94%
Ikarus	Trojan.Inject
MaxSecure	Trojan.Malware.300983.susgen
AVG	Win32:MalwareX-gen [Trj]
CrowdStrike	win/malicious_confidence_100% (D)

Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually) (1 event)

dead_host

172.111.157.26:1772

Executed a process and injected code into it, probably while unpacking (44 events)

Time & API	Arguments	Status	Return
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 2972	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 2972	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000190 suspend_count: 1 process_identifier: 2972	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000214 suspend_count: 1 process_identifier: 2972	1	0
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4	1	0
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4 suspend_count: 1 process_identifier: 2972	1	0
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4	1	0
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e4 suspend_count: 1 process_identifier: 2972	1	0
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 1756 thread_handle: 0x0000036c process_identifier: 1556 current_directory: C:\Users\test22\AppData\Local\Temp filepath: C:\Windows\System32\cmd.exe track: 1 command_line: "C:\Windows\System32\cmd.exe" /c timeout 1 filepath_r: C:\Windows\System32\cmd.exe stack_pivoted: 0 creation_flags: 67634192 (CREATE_DEFAULT_ERROR_MODE\|CREATE_NEW_CONSOLE\|CREATE_UNICODE_ENVIRONMENT\|EXTENDED_STARTUPINFO_PRESENT) inherit_handles: 0 process_handle: 0x00000374	1	1
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 492 thread_handle: 0x000003a4 process_identifier: 2164 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\FRK.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\FRK.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000003a8	1	1
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003a4	1	0
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 2164 region_size: 237568 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003a8		3221225496
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 668 thread_handle: 0x000003b0 process_identifier: 1812 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\FRK.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\FRK.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000003ac	1	1
NtGetContextThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003b0	1	0
NtAllocateVirtualMemory May 5, 2021, 8:14 p.m.	process_identifier: 1812 region_size: 237568 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00400000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0x000003ac	1	0
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL¡'éTàÈfç @ 8çW c H.textÇ È `.relocÊ@B.rsrcc dÌ@@ base_address: 0x00400000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: base_address: 0x00402000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: à7 base_address: 0x00420000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: base_address: 0x00422000 process_identifier: 1812 process_handle: 0x000003ac	1	1
WriteProcessMemory May 5, 2021, 8:14 p.m.	buffer: @ base_address: 0xfffde008 process_identifier: 1812 process_handle: 0x000003ac	1	1
NtSetContextThread May 5, 2021, 8:14 p.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4319122 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x000003b0 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003b0 suspend_count: 1 process_identifier: 1812	1	0
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 2276 thread_handle: 0x00000084 process_identifier: 1396 current_directory: C:\Users\test22\AppData\Local\Temp filepath: C:\Windows\System32\timeout.exe track: 1 command_line: timeout 1 filepath_r: C:\Windows\system32\timeout.exe stack_pivoted: 0 creation_flags: 524288 (EXTENDED_STARTUPINFO_PRESENT) inherit_handles: 1 process_handle: 0x00000088	1	1
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000000e0 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000154 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000001a0 suspend_count: 1 process_identifier: 1812	1	0
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 2576 thread_handle: 0x000002c8 process_identifier: 2412 current_directory: C:\Users\test22\AppData\Local\Temp filepath: track: 1 command_line: "schtasks.exe" /create /f /tn "SMTP Host" /xml "C:\Users\test22\AppData\Local\Temp\tmp6848.tmp" filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 1 process_handle: 0x000002cc	1	1
CreateProcessInternalW May 5, 2021, 8:14 p.m.	thread_identifier: 752 thread_handle: 0x000002c8 process_identifier: 2472 current_directory: C:\Users\test22\AppData\Local\Temp filepath: track: 1 command_line: "schtasks.exe" /create /f /tn "SMTP Host Task" /xml "C:\Users\test22\AppData\Local\Temp\tmp6981.tmp" filepath_r: stack_pivoted: 0 creation_flags: 134217728 (CREATE_NO_WINDOW) inherit_handles: 1 process_handle: 0x000002d4	1	1
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000002f0 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x0000030c suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000344 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003b4 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003c8 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003e0 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003f4 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x00000420 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:14 p.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:15 p.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:15 p.m.	thread_handle: 0x00000334 suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:15 p.m.	thread_handle: 0x0000017c suspend_count: 1 process_identifier: 1812	1	0
NtResumeThread May 5, 2021, 8:15 p.m.	thread_handle: 0x0000040c suspend_count: 1 process_identifier: 1812	1	0

FRK.exe

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