Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	April 5, 2023, 10:16 a.m.	April 5, 2023, 10:19 a.m.

Size	61.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`62d43812a9da3cc5de08bb649e9e4d37`
SHA256	`da997a73718d532bbbedb23488d231c428180a9a30fc6d712fc78b6150a42578`
CRC32	`1F98573E`
ssdeep	`1536:YaRmGCCb59dI9Jm82bB65VA85FG/GR9Wv:NRlCCVM2gA/Gyv`
Yara	Is_DotNET_EXE - (no description) Win_Backdoor_AsyncRAT_Zero - Win Backdoor AsyncRAT IsPE32 - (no description) PE_Header_Zero - PE File Signature

unknown.exe "C:\Users\test22\AppData\Local\Temp\unknown.exe"
804
- explorer.exe "C:\Windows\explorer.exe"
  2096
  - ctfmon.exe ctfmon.exe
    2596

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Queries for the computername (1 event)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameW April 5, 2023, 10:16 a.m.	computer_name: TEST22-PC	1	1	0

Checks if process is being debugged by a debugger (3 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent April 5, 2023, 10:16 a.m.			0	0
IsDebuggerPresent April 5, 2023, 10:16 a.m.			0	0
IsDebuggerPresent April 5, 2023, 10:16 a.m.			0	0

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

registry

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography\MachineGuid

Tries to locate where the browsers are installed (2 events)

file	C:\Program Files (x86)\Google\Chrome\Application\chrome.exe
file	C:\Program Files\Mozilla Firefox\firefox.exe

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 April 5, 2023, 10:16 a.m.		1	1	0

Allocates read-write-execute memory (usually to unpack itself) (44 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 1703936 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000920000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000a40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f1000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef3c8b000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0000000000790000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 8192 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00000000007b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f2000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f4000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef35f4000 process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 655360 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff20000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 65536 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff00000 allocation_type: 1056768 (MEM_RESERVE\|MEM_TOP_DOWN) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fffff00000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e5a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f0c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f36000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e6c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f80000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e5b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e7b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93eac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e7d000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e6a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93e52000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f81000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f82000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f83000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93fd0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1
NtAllocateVirtualMemory April 5, 2023, 10:16 a.m.	process_identifier: 804 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fe93f84000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffffffffffff	1

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

description

explorer.exe tried to sleep 120 seconds, actually delayed analysis time by 120 seconds

Creates a shortcut to an executable file (4 events)

file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Chrome.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Internet Explorer.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Windows Explorer.lnk
file	C:\Users\test22\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\TaskBar\Firefox.lnk

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

section

{u'size_of_data': u'0x0000ea00', u'virtual_address': u'0x00002000', u'entropy': 7.607817000314584, u'name': u'.text', u'virtual_size': u'0x0000e9e4'}

entropy

7.60781700031

description

A section with a high entropy has been found

entropy

0.96694214876

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 April 5, 2023, 10:16 a.m.	system_name: privilege_name: SeDebugPrivilege	1	1	0

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\unknown

reg_value

C:\Users\test22\AppData\Local\Temp\unknown.exe

Created a process named as a common system process (1 event)

Time & API	Arguments	Status	Return	Repeated
CreateProcessInternalW April 5, 2023, 10:16 a.m.	thread_identifier: 2100 thread_handle: 0x0000000000000214 process_identifier: 2096 current_directory: filepath: C:\Windows\explorer.exe track: 1 command_line: filepath_r: C:\Windows\explorer.exe stack_pivoted: 0 creation_flags: 0 () inherit_handles: 0 process_handle: 0x0000000000000218	1	1	0

unknown.exe

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