Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	March 8, 2025, 12:04 p.m.	March 8, 2025, 12:13 p.m.

Size	345.5KB
Type	PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`87445a0f29a952af98f410e972b7902a`
SHA256	`b7fdc95dc7a009388794ac968ae7479b3c66cbf8ed596ad08ddae9ca2ef21ee7`
CRC32	`C271104B`
ssdeep	`6144:e1zOMl9gLIVuG3U0s+gg6DmazxRDEJuwu3oN+Tk7wpIjDM+XIHTpbzLb4r32H:SzOi91H38tg6Dma1xEJuwuWP7wSNXIH5`
Yara	PE_Header_Zero - PE File Signature Is_DotNET_EXE - (no description) IsPE32 - (no description)

7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe "C:\Users\test22\AppData\Local\Temp\7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe"
2556
- 7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe "C:\Users\test22\AppData\Local\Temp\7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe"
  2648

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 March 8, 2025, 12:04 p.m.			0	0
IsDebuggerPresent March 8, 2025, 12:04 p.m.			0	0

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 March 8, 2025, 12:04 p.m.		1	1	0

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

section

.css

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ March 8, 2025, 12:04 p.m.	stacktrace: exception.instruction_r: 8b 31 85 f6 eb 08 8d bd d5 04 00 00 eb 12 64 8b exception.instruction: mov esi, dword ptr [ecx] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x25b234c registers.esp: 3075764 registers.edi: 39526609 registers.eax: 1968967741 registers.ebp: 39526472 registers.edx: 39526711 registers.ebx: 0 registers.esi: 2939456477 registers.ecx: 2978983573	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) (17 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 524288 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00490000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004d0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 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 March 8, 2025, 12:04 p.m.	process_identifier: 2556 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 March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00510000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003e2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00495000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0049b000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00497000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003fc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00b10000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00406000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x0040a000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00407000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003ea000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2556 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x025b2000 process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x00053c00', u'virtual_address': u'0x00008000', u'entropy': 7.999417007259965, u'name': u'.css', u'virtual_size': u'0x00053c00'}

entropy

7.99941700726

description

A section with a high entropy has been found

entropy

0.972423802612

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 March 8, 2025, 12:04 p.m.	process_identifier: 2648 region_size: 389120 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: 0x0000002c	1	0	0

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

Time & API	Arguments	Status	Return	Repeated
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELL²gà´ »@ð@Y¼°< ½¸.textE `.rdata! "@@.data4ÕÐTª@À.reloc<°>þ@B base_address: 0x00400000 process_identifier: 2648 process_handle: 0x0000002c	1	1	0
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2648 process_handle: 0x0000002c	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 March 8, 2025, 12:04 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELL²gà´ »@ð@Y¼°< ½¸.textE `.rdata! "@@.data4ÕÐTª@À.reloc<°>þ@B base_address: 0x00400000 process_identifier: 2648 process_handle: 0x0000002c	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 2556 called NtSetContextThread to modify thread in remote process 2648
NtSetContextThread March 8, 2025, 12:04 p.m.	registers.eip: 1995571652 registers.esp: 1571112 registers.edi: 0 registers.eax: 4242336 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000020 process_identifier: 2648	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 2556 resumed a thread in remote process 2648
NtResumeThread March 8, 2025, 12:04 p.m.	thread_handle: 0x00000020 suspend_count: 1 process_identifier: 2648	1	0	0

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

Time & API	Arguments	Status	Return
NtResumeThread March 8, 2025, 12:04 p.m.	thread_handle: 0x000000e4 suspend_count: 1 process_identifier: 2556	1	0
NtResumeThread March 8, 2025, 12:04 p.m.	thread_handle: 0x00000158 suspend_count: 1 process_identifier: 2556	1	0
NtResumeThread March 8, 2025, 12:04 p.m.	thread_handle: 0x00000198 suspend_count: 1 process_identifier: 2556	1	0
CreateProcessInternalW March 8, 2025, 12:04 p.m.	thread_identifier: 2652 thread_handle: 0x00000020 process_identifier: 2648 current_directory: filepath: C:\Users\test22\AppData\Local\Temp\7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe track: 1 command_line: filepath_r: C:\Users\test22\AppData\Local\Temp\7b1d576b-6562-4acd-a891-b267e0f9f2d5.exe stack_pivoted: 0 creation_flags: 4 (CREATE_SUSPENDED) inherit_handles: 0 process_handle: 0x0000002c	1	1
NtGetContextThread March 8, 2025, 12:04 p.m.	thread_handle: 0x00000020	1	0
NtAllocateVirtualMemory March 8, 2025, 12:04 p.m.	process_identifier: 2648 region_size: 389120 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: 0x0000002c	1	0
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: MZx@xº´ Í!¸LÍ!This program cannot be run in DOS mode.$PELL²gà´ »@ð@Y¼°< ½¸.textE `.rdata! "@@.data4ÕÐTª@À.reloc<°>þ@B base_address: 0x00400000 process_identifier: 2648 process_handle: 0x0000002c	1	1
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: base_address: 0x00401000 process_identifier: 2648 process_handle: 0x0000002c	1	1
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: base_address: 0x0044a000 process_identifier: 2648 process_handle: 0x0000002c	1	1
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: base_address: 0x0044d000 process_identifier: 2648 process_handle: 0x0000002c	1	1
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: base_address: 0x0045b000 process_identifier: 2648 process_handle: 0x0000002c	1	1
WriteProcessMemory March 8, 2025, 12:04 p.m.	buffer: @ base_address: 0xfffde008 process_identifier: 2648 process_handle: 0x0000002c	1	1
NtSetContextThread March 8, 2025, 12:04 p.m.	registers.eip: 1995571652 registers.esp: 1571112 registers.edi: 0 registers.eax: 4242336 registers.ebp: 0 registers.edx: 0 registers.ebx: -139264 registers.esi: 0 registers.ecx: 0 thread_handle: 0x00000020 process_identifier: 2648	1	0
NtResumeThread March 8, 2025, 12:04 p.m.	thread_handle: 0x00000020 suspend_count: 1 process_identifier: 2648	1	0

File has been identified by 59 AntiVirus engines on VirusTotal as malicious (50 out of 59 events)

Bkav	W32.AIDetectMalware.CS
Lionic	Trojan.Win32.Stelpak.4!c
CAT-QuickHeal	Trojan.Ghanarava.1741383771b7902a
Skyhigh	BehavesLike.Win32.Generic.fc
ALYac	Gen:Variant.Jalapeno.19767
Cylance	Unsafe
VIPRE	Gen:Variant.Jalapeno.19767
Sangfor	Trojan.Win32.Save.a
CrowdStrike	win/malicious_confidence_100% (W)
BitDefender	Gen:Variant.Jalapeno.19767
K7GW	Riskware ( 00584baa1 )
K7AntiVirus	Riskware ( 00584baa1 )
Arcabit	Trojan.Jalapeno.D4D37
VirIT	Trojan.Win32.MSIL_Heur.A
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Kryptik.ANEM
APEX	Malicious
Avast	Win32:PWSX-gen [Trj]
ClamAV	Win.Packed.Msilzilla-10042543-0
Kaspersky	HEUR:Trojan.MSIL.Stelpak.gen
Alibaba	Trojan:MSIL/Stelpak.51391dfd
SUPERAntiSpyware	Trojan.Agent/Gen-Kryptik
MicroWorld-eScan	Gen:Variant.Jalapeno.19767
Rising	Malware.Obfus/MSIL@AI.94 (RDM.MSIL2:u675yLey7sh7aYSbLgHpWg)
Emsisoft	Gen:Variant.Jalapeno.19767 (B)
F-Secure	Trojan.TR/Kryptik.owjon
DrWeb	Trojan.PWS.Lumma.1985
Zillya	Trojan.Stelpak.Win32.1194
McAfeeD	ti!B7FDC95DC7A0
CTX	exe.trojan.msil
Sophos	Troj/MSIL-TGV
SentinelOne	Static AI - Malicious PE
FireEye	Generic.mg.87445a0f29a952af
Webroot	Win.Infostealer.Lumma
Google	Detected
Avira	TR/Kryptik.owjon
Kingsoft	malware.kb.c.983
Gridinsoft	Spy.Win32.Gen.tr
Microsoft	Trojan:MSIL/LummaC.ALU!MTB
ViRobot	Trojan.Win.Z.Wacapew.353792.A
GData	Gen:Variant.Jalapeno.19767
Varist	W32/ABTrojan.NIZI-8849
AhnLab-V3	Trojan/Win.LummaC.C5730988
McAfee	ACL/Zilla Trojan
TACHYON	Trojan/W32.DN-Stelpak.353792
DeepInstinct	MALICIOUS
VBA32	TScope.Trojan.MSIL
Malwarebytes	Trojan.MalPack
Ikarus	Trojan.MSIL.Krypt

7b1d576b-6562-4acd-a891-b267e0f9f2d5

Process Tree Toggle all

Network Toggle all

Suricata Toggle all

Suricata Alerts

Suricata TLS

Signatures Toggle All