Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Aug. 30, 2024, 10:49 a.m.	Aug. 30, 2024, 11:09 a.m.

Size	321.0KB
Type	PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`087f21847d13d50158683c834471728c`
SHA256	`353871b38bb73ffb940b773c92849796c4c71949d5ffc9ea55103a8f41dabb74`
CRC32	`B3ABEED4`
ssdeep	`6144:zKKOAlrAtx7WiWOdkUsn18kq1viAXMFTd7r9pq8CG6UKBqdx7EO:zKLYUtcrOs1yeFRPzbCGQYx7EO`
PDB Path	c:\rje\tg\obj\Re\ease\etf.pdb
Yara	PE_Header_Zero - PE File Signature Antivirus - Contains references to security software Is_DotNET_EXE - (no description) IsPE32 - (no description)

66d0cd8fb6f7b_lgjfd.exe#space "C:\Users\test22\AppData\Local\Temp\66d0cd8fb6f7b_lgjfd.exe#space"
2544
- RegAsm.exe "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2632

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

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Aug. 30, 2024, 10:49 a.m.			0	0
IsDebuggerPresent Aug. 30, 2024, 10:49 a.m.			0	0

This executable has a PDB path (1 event)

pdb_path

c:\rje\tg\obj\Re\ease\etf.pdb

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 Aug. 30, 2024, 10:49 a.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) (13 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 2228224 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00a60000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00c40000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 1441792 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00690000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x007b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00402000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00435000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0043b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00437000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0041c000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00770000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2544 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x02402000 process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x0004d200', u'virtual_address': u'0x00002000', u'entropy': 7.995301415138912, u'name': u'.text', u'virtual_size': u'0x0004d1b4'}

entropy

7.99530141514

description

A section with a high entropy has been found

entropy

0.991961414791

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 Aug. 30, 2024, 10:49 a.m.	process_identifier: 2632 region_size: 356352 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: 0x000001e8	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELJ^ÏfàðÀ ©@p@)$x @L%¨.textìïð `.rdataU(*ô@@.dataé0T@À.reloc@ Br@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x000001e8	1	1	0
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2632 process_handle: 0x000001e8	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 Aug. 30, 2024, 10:49 a.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELJ^ÏfàðÀ ©@p@)$x @L%¨.textìïð `.rdataU(*ô@@.dataé0T@À.reloc@ Br@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x000001e8	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 2632
NtSetContextThread Aug. 30, 2024, 10:49 a.m.	registers.eip: 1995571652 registers.esp: 3800352 registers.edi: 0 registers.eax: 4237728 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000002c process_identifier: 2632	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 2632
NtResumeThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x0000002c suspend_count: 1 process_identifier: 2632	1	0	0

File has been identified by 25 AntiVirus engines on VirusTotal as malicious (25 events)

Bkav	W32.AIDetectMalware.CS
Elastic	malicious (high confidence)
ALYac	Gen:Variant.Ser.Zusy.5169
Cylance	Unsafe
BitDefender	Gen:Variant.Ser.Zusy.5169
Arcabit	Trojan.Ser.Zusy.D1431
Symantec	ML.Attribute.HighConfidence
ClamAV	Win.Packed.Pwsx-10035189-0
Kaspersky	VHO:Trojan.MSIL.Stelpak.gen
MicroWorld-eScan	Gen:Variant.Ser.Zusy.5169
Rising	Malware.Obfus/MSIL@AI.88 (RDM.MSIL2:VsJR6Xc5lW1yLYDkl+/oGg)
Emsisoft	Gen:Variant.Ser.Zusy.5169 (B)
FireEye	Gen:Variant.Ser.Zusy.5169
Google	Detected
MAX	malware (ai score=83)
Gridinsoft	Trojan.Win32.Packed.dd!ni
Microsoft	Trojan:Win32/Wacatac.B!ml
ZoneAlarm	VHO:Trojan.MSIL.Stelpak.gen
GData	Gen:Variant.Ser.Zusy.5169
Varist	W32/MSIL_Agent.ILZ.gen!Eldorado
BitDefenderTheta	Gen:NN.ZemsilCO.36812.um2@aOg4mKli
Malwarebytes	Spyware.RedLineStealer.MSIL
Ikarus	Trojan.MSIL.Krypt
huorong	Trojan/MSIL.Agent.li
CrowdStrike	win/malicious_confidence_90% (D)

Executed a process and injected code into it, probably while unpacking (14 events)

Time & API	Arguments	Status	Return
NtResumeThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x000000e8 suspend_count: 1 process_identifier: 2544	1	0
NtResumeThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x00000160 suspend_count: 1 process_identifier: 2544	1	0
NtResumeThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x0000019c suspend_count: 1 process_identifier: 2544	1	0
CreateProcessInternalW Aug. 30, 2024, 10:49 a.m.	thread_identifier: 2636 thread_handle: 0x0000002c process_identifier: 2632 current_directory: filepath: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe track: 1 command_line: filepath_r: C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x000001e8	1	1
NtGetContextThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x0000002c	1	0
NtAllocateVirtualMemory Aug. 30, 2024, 10:49 a.m.	process_identifier: 2632 region_size: 356352 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: 0x000001e8	1	0
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELJ^ÏfàðÀ ©@p@)$x @L%¨.textìïð `.rdataU(*ô@@.dataé0T@À.reloc@ Br@B base_address: 0x00400000 process_identifier: 2632 process_handle: 0x000001e8	1	1
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: base_address: 0x00401000 process_identifier: 2632 process_handle: 0x000001e8	1	1
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: base_address: 0x00440000 process_identifier: 2632 process_handle: 0x000001e8	1	1
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: base_address: 0x00443000 process_identifier: 2632 process_handle: 0x000001e8	1	1
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: base_address: 0x00452000 process_identifier: 2632 process_handle: 0x000001e8	1	1
WriteProcessMemory Aug. 30, 2024, 10:49 a.m.	buffer: @ base_address: 0x7efde008 process_identifier: 2632 process_handle: 0x000001e8	1	1
NtSetContextThread Aug. 30, 2024, 10:49 a.m.	registers.eip: 1995571652 registers.esp: 3800352 registers.edi: 0 registers.eax: 4237728 registers.ebp: 0 registers.edx: 0 registers.ebx: 2130567168 registers.esi: 0 registers.ecx: 0 thread_handle: 0x0000002c process_identifier: 2632	1	0
NtResumeThread Aug. 30, 2024, 10:49 a.m.	thread_handle: 0x0000002c suspend_count: 1 process_identifier: 2632	1	0

66d0cd8fb6f7b_lgjfd.exe#space

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