Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Oct. 24, 2023, 7:41 a.m.	Oct. 24, 2023, 7:54 a.m.

Size	1.6MB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`7412fa29d56312aeba1f8b6270233b3c`
SHA256	`355e3f75e42531c06377c7c3f620d407668e98e28e231448a333f941b2e779f5`
CRC32	`95E3A0DA`
ssdeep	`12288:zQRtiMAfS5S8a1TxC5289nE+LIqHC67cQuzzd9X6a9DhvhhHrxIY:ziAfS5S8a1TSTE+1x46a9DhvhRdI`
PDB Path	C:\pmvkg738kdn\RevoInstall.pdb
Yara	Malicious_Library_Zero - Malicious_Library UPX_Zero - UPX packed file PE_Header_Zero - PE File Signature IsPE32 - (no description) OS_Processor_Check_Zero - OS Processor Check

sus.exe "C:\Users\test22\AppData\Local\Temp\sus.exe"
2540
- AppLaunch.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2620

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
91.195.240.94	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

This executable has a PDB path (1 event)

pdb_path

C:\pmvkg738kdn\RevoInstall.pdb

The executable contains unknown PE section names indicative of a packer (could be a false positive) (3 events)

section	.799
section	.577
section	.00cfg

The executable uses a known packer (1 event)

packer

Microsoft Visual C++ V8.0 (Debug)

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

The binary likely contains encrypted or compressed data indicative of a packer (1 event)

section

{u'size_of_data': u'0x00009400', u'virtual_address': u'0x00198000', u'entropy': 7.064999602740555, u'name': u'.799', u'virtual_size': u'0x00009220'}

entropy

7.06499960274

description

A section with a high entropy has been found

Yara rule detected in process memory (8 events)

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

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

host

91.195.240.94

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

Time & API	Arguments	Status	Return	Repeated
NtAllocateVirtualMemory Oct. 24, 2023, 7:41 a.m.	process_identifier: 2620 region_size: 36864 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: 0x0000009c	1	0	0

Detects Avast Antivirus through the presence of a library (2 events)

Time & API	Arguments	Status	Return	Repeated
LdrGetDllHandle Oct. 24, 2023, 7:41 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0
LdrGetDllHandle Oct. 24, 2023, 7:41 a.m.	module_name: snxhk module_address: 0x00000000 stack_pivoted: 0		3221225781	0

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Oct. 24, 2023, 7:41 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2620 process_handle: 0x0000009c	1	1	0
WriteProcessMemory Oct. 24, 2023, 7:41 a.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2620 process_handle: 0x0000009c	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. 24, 2023, 7:41 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2620 process_handle: 0x0000009c	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 2540 called NtSetContextThread to modify thread in remote process 2620
NtSetContextThread Oct. 24, 2023, 7:41 a.m.	registers.eip: 1995571652 registers.esp: 2752332 registers.edi: 0 registers.eax: 4207172 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000098 process_identifier: 2620	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 2540 resumed a thread in remote process 2620
NtResumeThread Oct. 24, 2023, 7:41 a.m.	thread_handle: 0x00000098 suspend_count: 1 process_identifier: 2620	1	0	0

Executed a process and injected code into it, probably while unpacking (8 events)

Time & API	Arguments	Status	Return
CreateProcessInternalW Oct. 24, 2023, 7:41 a.m.	thread_identifier: 2624 thread_handle: 0x00000098 process_identifier: 2620 current_directory: filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe track: 1 command_line: filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x0000009c	1	1
NtGetContextThread Oct. 24, 2023, 7:41 a.m.	thread_handle: 0x00000098	1	0
NtAllocateVirtualMemory Oct. 24, 2023, 7:41 a.m.	process_identifier: 2620 region_size: 36864 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: 0x0000009c	1	0
WriteProcessMemory Oct. 24, 2023, 7:41 a.m.	buffer: MZÿÿ@@º´ Í!¸LÍ!This program cannot be run in DOS mode. $PEL²dàHvD2@õ.textytv à base_address: 0x00400000 process_identifier: 2620 process_handle: 0x0000009c	1	1
WriteProcessMemory Oct. 24, 2023, 7:41 a.m.	buffer: base_address: 0x00401000 process_identifier: 2620 process_handle: 0x0000009c	1	1
WriteProcessMemory Oct. 24, 2023, 7:41 a.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2620 process_handle: 0x0000009c	1	1
NtSetContextThread Oct. 24, 2023, 7:41 a.m.	registers.eip: 1995571652 registers.esp: 2752332 registers.edi: 0 registers.eax: 4207172 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000098 process_identifier: 2620	1	0
NtResumeThread Oct. 24, 2023, 7:41 a.m.	thread_handle: 0x00000098 suspend_count: 1 process_identifier: 2620	1	0

sus.exe

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