Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6402	May 4, 2021, 9:31 a.m.	May 4, 2021, 9:42 a.m.

Size	708.5KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`3eba87fa613f9362c4f98cfd50c9dcf7`
SHA256	`f4254cb9e63759c507eb01412664c030a4455f52abda78b57d4e04808d48cc3d`
CRC32	`E65BEFA1`
ssdeep	`12288:yL3Gswh8l4UBRH4fKdTZov5IieWxkg26wTRvDPxnRgHwFQU6/AqM5:yL3Gxh8SUBN4fC9Y+Swl7xRKhFy`
Yara	Malicious_Library_Zero - Malicious_Library Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature IsPE32 - (no description)

mosb.exe "C:\Users\test22\AppData\Local\Temp\mosb.exe"
900
- schtasks.exe "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp"
  6596
- mosb.exe "C:\Users\test22\AppData\Local\Temp\mosb.exe"
  7912

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
172.217.25.14	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (5 events)

Time & API	Arguments	Status	Return
GetComputerNameW May 4, 2021, 9:33 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 4, 2021, 9:33 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 4, 2021, 9:33 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 4, 2021, 9:33 a.m.	computer_name: TEST22-PC	1	1
GetComputerNameW May 4, 2021, 9:33 a.m.	computer_name: TEST22-PC	1	1

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent May 4, 2021, 9:31 a.m.			0	0
IsDebuggerPresent May 4, 2021, 9:31 a.m.			0	0
IsDebuggerPresent May 4, 2021, 9:33 a.m.			0	0
IsDebuggerPresent May 4, 2021, 9:33 a.m.			0	0

Command line console output was observed (1 event)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW May 4, 2021, 9:33 a.m.	buffer: SUCCESS: The scheduled task "Updates\FjipjO" has successfully been created. console_handle: 0x00000007	1	1	0

Uses Windows APIs to generate a cryptographic key (3 events)

Time & API	Arguments	Status	Return
CryptExportKey May 4, 2021, 9:33 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00489360 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 4, 2021, 9:33 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00488c60 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1
CryptExportKey May 4, 2021, 9:33 a.m.	buffer: <INVALID POINTER> crypto_handle: 0x00488c60 flags: 0 crypto_export_handle: 0x00000000 blob_type: 6	1	1

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 4, 2021, 9:31 a.m.		1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ May 4, 2021, 9:33 a.m.	stacktrace: 0xb517a8 0xb50fcb DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652 DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95 DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610 CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4 CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67 CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a _CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a _CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3 CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16 _CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3 RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 7b d7 exception.instruction: mov eax, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0xb51c1b registers.esp: 1699056 registers.edi: 1699080 registers.eax: 0 registers.ebp: 1699092 registers.edx: 195 registers.ebx: 1699348 registers.esi: 38041840 registers.ecx: 0	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

May 4, 2021, 9:33 a.m.

stacktrace:

0xb517a8
0xb50fcb
DllUnregisterServerInternal-0x7aa2 clr+0x2652 @ 0x6f502652
DllRegisterServerInternal+0x243 CoUninitializeEE-0xd1f5 clr+0x1264f @ 0x6f51264f
DllRegisterServerInternal+0xa89 CoUninitializeEE-0xc9af clr+0x12e95 @ 0x6f512e95
DllGetClassObjectInternal+0x2473 CorDllMainForThunk-0x8a088 clr+0xc74ec @ 0x6f5c74ec
DllGetClassObjectInternal+0x2597 CorDllMainForThunk-0x89f64 clr+0xc7610 @ 0x6f5c7610
CorDllMainForThunk+0x850 _CorExeMain-0x238a clr+0x151dc4 @ 0x6f651dc4
CorDllMainForThunk+0x8f3 _CorExeMain-0x22e7 clr+0x151e67 @ 0x6f651e67
CorDllMainForThunk+0xa06 _CorExeMain-0x21d4 clr+0x151f7a @ 0x6f651f7a
_CorExeMain+0x1c ClrCreateManagedInstance-0x35cd clr+0x15416a @ 0x6f65416a
_CorExeMain+0x71 GetFileVersion-0x293a mscoreei+0xf5a3 @ 0x7387f5a3
CreateConfigStream+0x13f GetProcessExecutableHeap-0xad6 mscoree+0x7f16 @ 0x744b7f16
_CorExeMain+0x8 CreateConfigStream-0x2ff4 mscoree+0x4de3 @ 0x744b4de3
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 01 8b 40 28 ff 10 89 45 e0 8b 4d dc e8 7b d7
exception.instruction: mov eax, dword ptr [ecx]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0xb51c1b
registers.esp: 1699056
registers.edi: 1699080
registers.eax: 0
registers.ebp: 1699092
registers.edx: 195
registers.ebx: 1699348
registers.esi: 38041840
registers.ecx: 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 110 events)

Time & API	Arguments	Status	Return
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 393216 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003b0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba1000 process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x6fba2000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 2031616 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b90000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00d40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00552000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00585000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0058b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00587000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0055a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0057a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00577000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 327680 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef50000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef58000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x7ef40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00576000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:31 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0056d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d3000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d4000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d8000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007d9000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05200178 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052001a0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052001c8 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052a173e process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 11 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x052a1732 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 72 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x05200208 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af60 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af84 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af8c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af90 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af98 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527af9c process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527afa0 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527afa4 process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527afac process_handle: 0xffffffff		3221225550
NtProtectVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 900 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0527afb0 process_handle: 0xffffffff		3221225550

Creates a suspicious process (2 events)

cmdline	schtasks.exe /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp"
cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp"

A process created a hidden window (1 event)

Time & API	Arguments	Status	Return	Repeated
ShellExecuteExW May 4, 2021, 9:33 a.m.	show_type: 0 filepath_r: schtasks.exe parameters: /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp" filepath: schtasks.exe	1	1	0

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x000afe00', u'virtual_address': u'0x00002000', u'entropy': 7.928156614599544, u'name': u'.text', u'virtual_size': u'0x000afdf4'}

entropy

7.9281566146

description

A section with a high entropy has been found

entropy

0.993644067797

description

Overall entropy of this PE file is high

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW May 4, 2021, 9:33 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Yara rule detected in process memory (10 events)

description	Communications smtp	rule	Network_SMTP_dotNet
description	Run a KeyLogger	rule	KeyLogger
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	Bypass DEP	rule	disable_dep
description	Affect hook table	rule	win_hook

Uses Windows utilities for basic Windows functionality (2 events)

cmdline	schtasks.exe /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp"
cmdline	"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp"

Communicates with host for which no DNS query was performed (1 event)

host

172.217.25.14

Allocates execute permission to another process indicative of possible code injection (1 event)

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 7912 region_size: 245760 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: 0x00000368	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
NtQuerySystemInformation May 4, 2021, 9:33 a.m.	information_class: 8 (SystemProcessorPerformanceInformation)	1	0	0

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

description

mosb.exe tried to sleep 5456442 seconds, actually delayed analysis time by 5456442 seconds

Potential code injection by writing to the memory of another process (4 events)

Time & API	Arguments	Status	Return
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL£ì`àX>v @ À@èuS H.textDV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNameyWgcsoFmFLoHHmeUtXkYzMpj.exe(LegalCopyright dOriginalFilenameyWgcsoFmFLoHHmeUtXkYzMpj.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 7912 process_handle: 0x00000368	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 4, 2021, 9:33 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL£ì`àX>v @ À@èuS H.textDV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 7912 process_handle: 0x00000368	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 900 called NtSetContextThread to modify thread in remote process 7912
NtSetContextThread May 4, 2021, 9:33 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000036c process_identifier: 7912	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 900 resumed a thread in remote process 7912
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x0000036c suspend_count: 1 process_identifier: 7912	1	0	0

File has been identified by 28 AntiVirus engines on VirusTotal as malicious (28 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.3eba87fa613f9362
McAfee	Artemis!3EBA87FA613F
Cylance	Unsafe
Alibaba	Trojan:Win32/starter.ali1000139
K7GW	Trojan ( 0057bd7a1 )
Cybereason	malicious.f15dcd
Cyren	W32/MSIL_Troj.ASL.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/Kryptik.AASG
Paloalto	generic.ml
Kaspersky	HEUR:Trojan-PSW.MSIL.Coins.gen
Avast	FileRepMetagen [Malware]
DrWeb	Trojan.PackedNET.624
McAfee-GW-Edition	BehavesLike.Win32.Fareit.bc
Sophos	Mal/Generic-S
APEX	Malicious
Webroot	W32.Trojan.Gen
Microsoft	Trojan:MSIL/Agentesla.RT!MTB
Gridinsoft	Trojan.Win32.Agent.oa
ZoneAlarm	UDS:DangerousObject.Multi.Generic
GData	MSIL.Trojan-Stealer.AgentTesla.KWGHML
Cynet	Malicious (score: 100)
Malwarebytes	Trojan.MalPack.PNG.Generic
Rising	Trojan.AgentTesla!8.104D5 (CLOUD)
Fortinet	MSIL/Kryptik.AARD!tr
AVG	FileRepMetagen [Malware]
CrowdStrike	win/malicious_confidence_60% (W)

Executed a process and injected code into it, probably while unpacking (22 events)

Time & API	Arguments	Status	Return
NtResumeThread May 4, 2021, 9:31 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 900	1	0
NtResumeThread May 4, 2021, 9:31 a.m.	thread_handle: 0x0000014c suspend_count: 1 process_identifier: 900	1	0
NtResumeThread May 4, 2021, 9:31 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 900	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x00000258 suspend_count: 1 process_identifier: 900	1	0
CreateProcessInternalW May 4, 2021, 9:33 a.m.	thread_identifier: 7316 thread_handle: 0x000003c4 process_identifier: 6596 current_directory: C:\Users\test22\AppData\Local\Temp filepath: C:\Windows\System32\schtasks.exe track: 1 command_line: "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FjipjO" /XML "C:\Users\test22\AppData\Local\Temp\tmp951B.tmp" filepath_r: C:\Windows\System32\schtasks.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: 0x000003c8	1	1
CreateProcessInternalW May 4, 2021, 9:33 a.m.	thread_identifier: 8636 thread_handle: 0x0000036c process_identifier: 7912 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\mosb.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\mosb.exe stack_pivoted: 0 creation_flags: 134217732 (CREATE_NO_WINDOW\|CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000368	1	1
NtGetContextThread May 4, 2021, 9:33 a.m.	thread_handle: 0x0000036c	1	0
NtAllocateVirtualMemory May 4, 2021, 9:33 a.m.	process_identifier: 7912 region_size: 245760 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: 0x00000368	1	0
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: MZÿÿ¸@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL£ì`àX>v @ À@èuS H.textDV X `.rsrc Z@@.reloc `@B base_address: 0x00400000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: base_address: 0x00402000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: 8Ph 0ê4VS_VERSION_INFO½ïþ?DVarFileInfo$Translation°ìStringFileInfoÈ000004b0,FileDescription 0FileVersion0.0.0.0\InternalNameyWgcsoFmFLoHHmeUtXkYzMpj.exe(LegalCopyright dOriginalFilenameyWgcsoFmFLoHHmeUtXkYzMpj.exe4ProductVersion0.0.0.08Assembly Version0.0.0.0ï»¿<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestVersion="1.0"> <assemblyIdentity version="1.0.0.0" name="MyApplication.app"/> <trustInfo xmlns="urn:schemas-microsoft-com:asm.v2"> <security> <requestedPrivileges xmlns="urn:schemas-microsoft-com:asm.v3"> <requestedExecutionLevel level="asInvoker" uiAccess="false"/> </requestedPrivileges> </security> </trustInfo> </assembly> base_address: 0x00438000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: p@6 base_address: 0x0043a000 process_identifier: 7912 process_handle: 0x00000368	1	1
WriteProcessMemory May 4, 2021, 9:33 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 7912 process_handle: 0x00000368	1	1
NtSetContextThread May 4, 2021, 9:33 a.m.	registers.eip: 0 registers.esp: 0 registers.edi: 0 registers.eax: 4421182 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000036c process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x0000036c suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x000000dc suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x00000150 suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x0000031c suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x0000033c suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x000003a0 suspend_count: 1 process_identifier: 7912	1	0
NtResumeThread May 4, 2021, 9:33 a.m.	thread_handle: 0x00000418 suspend_count: 1 process_identifier: 7912	1	0

mosb.exe

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