Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Oct. 16, 2024, 2:20 p.m.	Oct. 16, 2024, 2:24 p.m.

Size	1.3MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`90a219fcf54c78330dc492ff89e7064d`
SHA256	`d76c47511e1e7bd2719d404f1e62e0e6e69ee8db631f6c19ac863a4fbd38056d`
CRC32	`C986A2D0`
ssdeep	`12288:z4nKBBK7o35hk/w8di54n5A+LLuM+Z8GZ:zE0K7y3kvg+A+/TG`
Yara	Malicious_Library_Zero - Malicious_Library PE_Header_Zero - PE File Signature IsPE32 - (no description) Generic_Malware_Zero - Generic Malware UPX_Zero - UPX packed file OS_Processor_Check_Zero - OS Processor Check

63e909b3647d.exe "C:\Users\test22\AppData\Local\Temp\63e909b3647d.exe"
2544
- 63e909b3647d.exe "C:\Users\test22\AppData\Local\Temp\63e909b3647d.exe"
  2636

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

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

.cache

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Oct. 16, 2024, 2:20 p.m.	stacktrace: BaseThreadInitThunk+0x12 VerifyConsoleIoHandle-0xb3 kernel32+0x133ca @ 0x755c33ca RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x76f49ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x76f49ea5 exception.symbol: exception.exception_code: 0xc0000005 exception.address: 0x0 registers.esp: 6880340 registers.edi: 4248368 registers.eax: 1 registers.ebp: 6880408 registers.edx: 2130553844 registers.ebx: 60 registers.esi: 3604480 registers.ecx: 2112880640	1	0	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) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 16, 2024, 2:20 p.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b50000 process_handle: 0xffffffff	1	0	0

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

section

{u'size_of_data': u'0x00053a00', u'virtual_address': u'0x0001d000', u'entropy': 7.99342550825592, u'name': u'.data', u'virtual_size': u'0x0005446c'}

entropy

7.99342550826

description

A section with a high entropy has been found

entropy

0.26143024619

description

Overall entropy of this PE file is high

Yara rule detected in process memory (9 events)

description	Take ScreenShot	rule	ScreenShot
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

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Oct. 16, 2024, 2:20 p.m.	process_identifier: 2636 region_size: 380928 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: 0x00000040	1	0	0

Potential code injection by writing to the memory of another process (2 events)

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELpgà>æ0Ó@Ð@ÜsO$u¼.text$<> `.rdata£(P*B@@.dataÀþll@À.relocOPØ@B base_address: 0x00400000 process_identifier: 2636 process_handle: 0x00000040	1	1	0
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2636 process_handle: 0x00000040	1	1	0

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELpgà>æ0Ó@Ð@ÜsO$u¼.text$<> `.rdata£(P*B@@.dataÀþll@À.relocOPØ@B base_address: 0x00400000 process_identifier: 2636 process_handle: 0x00000040	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 2544 called NtSetContextThread to modify thread in remote process 2636
NtSetContextThread Oct. 16, 2024, 2:20 p.m.	registers.eip: 1995571652 registers.esp: 2948716 registers.edi: 0 registers.eax: 4248368 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000003c process_identifier: 2636	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 2544 resumed a thread in remote process 2636
NtResumeThread Oct. 16, 2024, 2:20 p.m.	thread_handle: 0x0000003c suspend_count: 1 process_identifier: 2636	1	0	0

File has been identified by 26 AntiVirus engines on VirusTotal as malicious (26 events)

Bkav	W32.AIDetectMalware
Cynet	Malicious (score: 100)
Skyhigh	BehavesLike.Win32.Generic.tz
Cylance	Unsafe
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_90% (D)
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of Win32/GenKryptik.HCUH
APEX	Malicious
Avast	MalwareX-gen [Trj]
Kaspersky	VHO:Backdoor.Win32.Agent.gen
Rising	Backdoor.Agent!8.C5D (TFE:1:n0unUiw4IlQ)
F-Secure	Heuristic.HEUR/AGEN.1316944
DrWeb	Trojan.DownLoader47.45193
McAfeeD	Real Protect-LS!90A219FCF54C
Trapmine	malicious.high.ml.score
Sophos	Generic ML PUA (PUA)
SentinelOne	Static AI - Malicious PE
FireEye	Generic.mg.90a219fcf54c7833
Avira	HEUR/AGEN.1316944
Antiy-AVL	GrayWare/Win32.Kryptik.gpyt
Kingsoft	malware.kb.a.998
Microsoft	Trojan:Win32/Wacatac.B!ml
DeepInstinct	MALICIOUS
AVG	MalwareX-gen [Trj]

Executed a process and injected code into it, probably while unpacking (11 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW Oct. 16, 2024, 2:20 p.m.	thread_identifier: 2640 thread_handle: 0x0000003c process_identifier: 2636 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\63e909b3647d.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\63e909b3647d.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x00000040	1	1
NtGetContextThread Oct. 16, 2024, 2:20 p.m.	thread_handle: 0x0000003c	1	0
NtAllocateVirtualMemory Oct. 16, 2024, 2:20 p.m.	process_identifier: 2636 region_size: 380928 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: 0x00000040	1	0
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELpgà>æ0Ó@Ð@ÜsO$u¼.text$<> `.rdata£(P*B@@.dataÀþll@À.relocOPØ@B base_address: 0x00400000 process_identifier: 2636 process_handle: 0x00000040	1	1
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: base_address: 0x00401000 process_identifier: 2636 process_handle: 0x00000040	1	1
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: base_address: 0x00445000 process_identifier: 2636 process_handle: 0x00000040	1	1
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: base_address: 0x00448000 process_identifier: 2636 process_handle: 0x00000040	1	1
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: base_address: 0x00458000 process_identifier: 2636 process_handle: 0x00000040	1	1
WriteProcessMemory Oct. 16, 2024, 2:20 p.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2636 process_handle: 0x00000040	1	1
NtSetContextThread Oct. 16, 2024, 2:20 p.m.	registers.eip: 1995571652 registers.esp: 2948716 registers.edi: 0 registers.eax: 4248368 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000003c process_identifier: 2636	1	0
NtResumeThread Oct. 16, 2024, 2:20 p.m.	thread_handle: 0x0000003c suspend_count: 1 process_identifier: 2636	1	0

63e909b3647d.exe

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