Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Oct. 15, 2021, 9:37 a.m.	Oct. 15, 2021, 9:41 a.m.

Size	569.4KB
Type	PE32 executable (GUI) Intel 80386, for MS Windows
MD5	`50bc873b8e08fdc5832350f377a1b5a7`
SHA256	`2ac9fe88102fbe8cc50d40228e302e2f37fcc006009697609eb5d55aab5c940e`
CRC32	`EEB23B4F`
ssdeep	`6144:PC4w8juap56y9dg4sIo9ZCf6YRZDYooV3FtlyPG4wYeVKiEgQaratgMZ:Knapvg4sz9dYRZsx1tvpEVar3MZ`
Yara	PE_Header_Zero - PE File Signature UPX_Zero - UPX packed file IsPE32 - (no description) Malicious_Library_Zero - Malicious_Library

LS.exe "C:\Users\test22\AppData\Local\Temp\LS.exe"
2972

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Oct. 15, 2021, 9:38 a.m.	stacktrace: gapfnScSendMessage+0x332 GetAppCompatFlags2-0x8ea user32+0x162fa @ 0x755b62fa GetThreadDesktop+0xd7 GetWindowLongW-0x2c4 user32+0x16d3a @ 0x755b6d3a GetClientRect+0xc5 CallWindowProcW-0xb user32+0x20d27 @ 0x755c0d27 CallWindowProcW+0x1b SetRectEmpty-0x38 user32+0x20d4d @ 0x755c0d4d ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a IID_IVbaHost+0x236f3 UserDllMain-0x41bc4 msvbvm60+0x51d33 @ 0x72991d33 ls+0x284b8 @ 0x4284b8 IID_IVbaHost+0x239f4 UserDllMain-0x418c3 msvbvm60+0x52034 @ 0x72992034 IID_IVbaHost+0x23e5b UserDllMain-0x4145c msvbvm60+0x5249b @ 0x7299249b IID_IVbaHost+0x24027 UserDllMain-0x41290 msvbvm60+0x52667 @ 0x72992667 IID_IVbaHost+0x3b77 UserDllMain-0x61740 msvbvm60+0x321b7 @ 0x729721b7 IID_IVbaHost+0x386d UserDllMain-0x61a4a msvbvm60+0x31ead @ 0x72971ead IID_IVbaHost+0x36291 UserDllMain-0x2f026 msvbvm60+0x648d1 @ 0x729a48d1 IID_IVbaHost+0x418d8 UserDllMain-0x239df msvbvm60+0x6ff18 @ 0x729aff18 BASIC_CLASS_Release+0xfcaa IID_IVbaHost-0xff3d msvbvm60+0x1e703 @ 0x7295e703 BASIC_CLASS_QueryInterface+0xeca EbLoadRunTime-0x13a4 msvbvm60+0x7b3e @ 0x72947b3e ThunRTMain+0x3dd EbCreateContext-0x2e36 msvbvm60+0x3981 @ 0x72943981 ThunRTMain+0x156 EbCreateContext-0x30bd msvbvm60+0x36fa @ 0x729436fa ThunRTMain+0x5c EbCreateContext-0x31b7 msvbvm60+0x3600 @ 0x72943600 ls+0x127a @ 0x40127a RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2 RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5 exception.instruction_r: 8b 4e 34 89 4f 04 89 f9 83 c1 48 89 4f 0c 83 c1 exception.instruction: mov ecx, dword ptr [esi + 0x34] exception.exception_code: 0xc0000005 exception.symbol: exception.address: 0x51dc20 registers.esp: 1635868 registers.edi: 6619136 registers.eax: 2000419504 registers.ebp: 1635868 registers.edx: 2130566132 registers.ebx: 5365433 registers.esi: 3006114407 registers.ecx: 5810216	1	0	0

Time & API

Arguments

Status

Return

Repeated

__exception__

Oct. 15, 2021, 9:38 a.m.

stacktrace:

gapfnScSendMessage+0x332 GetAppCompatFlags2-0x8ea user32+0x162fa @ 0x755b62fa
GetThreadDesktop+0xd7 GetWindowLongW-0x2c4 user32+0x16d3a @ 0x755b6d3a
GetClientRect+0xc5 CallWindowProcW-0xb user32+0x20d27 @ 0x755c0d27
CallWindowProcW+0x1b SetRectEmpty-0x38 user32+0x20d4d @ 0x755c0d4d
ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a
ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a
ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a
ProcCallEngine+0x2ad __vbaUdtVar-0x6607 msvbvm60+0xfd30a @ 0x72a3d30a
IID_IVbaHost+0x236f3 UserDllMain-0x41bc4 msvbvm60+0x51d33 @ 0x72991d33
ls+0x284b8 @ 0x4284b8
IID_IVbaHost+0x239f4 UserDllMain-0x418c3 msvbvm60+0x52034 @ 0x72992034
IID_IVbaHost+0x23e5b UserDllMain-0x4145c msvbvm60+0x5249b @ 0x7299249b
IID_IVbaHost+0x24027 UserDllMain-0x41290 msvbvm60+0x52667 @ 0x72992667
IID_IVbaHost+0x3b77 UserDllMain-0x61740 msvbvm60+0x321b7 @ 0x729721b7
IID_IVbaHost+0x386d UserDllMain-0x61a4a msvbvm60+0x31ead @ 0x72971ead
IID_IVbaHost+0x36291 UserDllMain-0x2f026 msvbvm60+0x648d1 @ 0x729a48d1
IID_IVbaHost+0x418d8 UserDllMain-0x239df msvbvm60+0x6ff18 @ 0x729aff18
BASIC_CLASS_Release+0xfcaa IID_IVbaHost-0xff3d msvbvm60+0x1e703 @ 0x7295e703
BASIC_CLASS_QueryInterface+0xeca EbLoadRunTime-0x13a4 msvbvm60+0x7b3e @ 0x72947b3e
ThunRTMain+0x3dd EbCreateContext-0x2e36 msvbvm60+0x3981 @ 0x72943981
ThunRTMain+0x156 EbCreateContext-0x30bd msvbvm60+0x36fa @ 0x729436fa
ThunRTMain+0x5c EbCreateContext-0x31b7 msvbvm60+0x3600 @ 0x72943600
ls+0x127a @ 0x40127a
RtlInitializeExceptionChain+0x63 RtlAllocateActivationContextStack-0xa1 ntdll+0x39ed2 @ 0x773d9ed2
RtlInitializeExceptionChain+0x36 RtlAllocateActivationContextStack-0xce ntdll+0x39ea5 @ 0x773d9ea5

exception.instruction_r: 8b 4e 34 89 4f 04 89 f9 83 c1 48 89 4f 0c 83 c1
exception.instruction: mov ecx, dword ptr [esi + 0x34]
exception.exception_code: 0xc0000005
exception.symbol:
exception.address: 0x51dc20
registers.esp: 1635868
registers.edi: 6619136
registers.eax: 2000419504
registers.ebp: 1635868
registers.edx: 2130566132
registers.ebx: 5365433
registers.esi: 3006114407
registers.ecx: 5810216

Allocates read-write-execute memory (usually to unpack itself) (2 events)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 15, 2021, 9:37 a.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72d72000 process_handle: 0xffffffff	1	0	0
NtAllocateVirtualMemory Oct. 15, 2021, 9:38 a.m.	process_identifier: 2972 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00650000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1	0	0

Creates executable files on the filesystem (1 event)

file	C:\Users\test22\AppData\Roaming\gh\hn.exe

Drops an executable to the user AppData folder (1 event)

file	C:\Users\test22\AppData\Roaming\gh\hn.exe

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory Oct. 15, 2021, 9:37 a.m.	process_identifier: 2972 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 24576 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x003e0000 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'0x00057000', u'virtual_address': u'0x00001000', u'entropy': 6.8419307931716595, u'name': u'.text', u'virtual_size': u'0x00056f54'}

entropy

6.84193079317

description

A section with a high entropy has been found

entropy

0.669230769231

description

Overall entropy of this PE file is high

Installs itself for autorun at Windows startup (1 event)

reg_key

HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\mk

reg_value

C:\Users\test22\AppData\Roaming\gh\hn.exe

File has been identified by 43 AntiVirus engines on VirusTotal as malicious (43 events)

Elastic	malicious (high confidence)
ClamAV	Win.Trojan.Bulz-9900370-0
ALYac	Gen:Variant.Strictor.264206
Malwarebytes	Trojan.Injector
Sangfor	Trojan.Win32.Save.a
K7AntiVirus	Trojan ( 0058890e1 )
K7GW	Trojan ( 0058890e1 )
CrowdStrike	win/malicious_confidence_100% (W)
Arcabit	Trojan.Strictor.D4080E
Cyren	W32/Fareit.LC.gen!Eldorado
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/GenKryptik.FLQV
APEX	Malicious
Paloalto	generic.ml
Cynet	Malicious (score: 100)
Kaspersky	UDS:Backdoor.Win32.Androm
BitDefender	Gen:Variant.Strictor.264206
MicroWorld-eScan	Gen:Variant.Strictor.264206
Avast	Win32:DropperX-gen [Drp]
Ad-Aware	Gen:Variant.Strictor.264206
Emsisoft	Trojan.Crypt (A)
F-Secure	Trojan.TR/Dropper.Gen
DrWeb	Trojan.KillProc2.16754
McAfee-GW-Edition	BehavesLike.Win32.Generic.hh
FireEye	Generic.mg.50bc873b8e08fdc5
Jiangmin	Backdoor.Androm.bbwi
Avira	TR/Dropper.Gen
Antiy-AVL	Trojan/Generic.ASMalwS.34B2070
Kingsoft	Win32.Troj.Generic_a.a.(kcloud)
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
ZoneAlarm	UDS:DangerousObject.Multi.Generic
GData	Gen:Variant.Strictor.264206
AhnLab-V3	Backdoor/Win32.NetWiredRC.C3631196
McAfee	Artemis!50BC873B8E08
MAX	malware (ai score=86)
VBA32	Malware-Cryptor.VB.gen.1
Cylance	Unsafe
Yandex	Backdoor.Androm!yDsXbO2vUQ0
SentinelOne	Static AI - Malicious PE
eGambit	Unsafe.AI_Score_54%
BitDefenderTheta	Gen:NN.ZevbaF.34218.Jm3@a8CjcIai
AVG	Win32:DropperX-gen [Drp]
MaxSecure	Trojan.Malware.300983.susgen

LS.exe

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