MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Stealc


Vendor detections: 14


Intelligence 14 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
SHA3-384 hash: 660c496d68e4830af2be5ee8e69a9578f5f58dc430e7e2927ebf39d1b11cf675223343924f4e16382bbcabdb86891f7c
SHA1 hash: 89c34e74b12d4fa7bad625cc8715411a9e0474b5
MD5 hash: 1b3c505864215b8a7328a51903516611
humanhash: nevada-twelve-zulu-kansas
File name:51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
Download: download sample
Signature Stealc
Create hunting rule
File size:7'216'897 bytes
First seen:2024-08-22 09:38:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f052f84efefe84f64ac7fab273eb8464 (9 x LummaStealer, 2 x Stealc, 2 x RemcosRAT)
ssdeep 196608:UxB4+sZtikht+1GNlKAjK3RtSx0USapM7axBX:YXii4MGNljeRtOJ
TLSH T1BA76C0137690803EE5AA02714C5FAF6481A97D739A318157F6D0FF1D2DF1582BA23B2B
TrID 69.0% (.AX) DirectShow filter (201555/2/20)
19.7% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
3.6% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 5b3931b29cd1631d (9 x LummaStealer, 3 x RemcosRAT, 2 x RedLineStealer)
Reporter JAMESWT_WT
Tags:185-196-9-135 exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
373
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
Verdict:
No threats detected
Analysis date:
2024-08-22 09:41:01 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2ee7a9f4-51fe-4f9e-b0f6-226b8f4de1f8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PWS.StealC.4.23914.18670.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c70739e7ff3f5a063bc03a
Tags:
Encryption Execution Generic Infostealer Network Static Stealth Trojan Wacapew
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
Сreating synchronization primitives
Creating a window
Searching for synchronization primitives
Creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer fingerprint lolbin microsoft_visual_cc overlay packed remote shell32
Link:
https://www.filescan.io/uploads/66c7073b98e036ebc636cd1f/reports/3730a430-0591-47c2-878c-4c13bb8a53d1/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/d82bf92b-dc69-43e4-9e3d-aad486634cfd
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1497305
Signature
AI detected suspicious sample
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1497305 Sample: E6sNbxo5sh.exe Startdate: 22/08/2024 Architecture: WINDOWS Score: 100 70 Multi AV Scanner detection for dropped file 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected Powershell download and execute 2->74 76 3 other signatures 2->76 10 E6sNbxo5sh.exe 29 2->10         started        process3 file4 46 C:\Users\user\AppData\...6sNbxo5sh.exe, PE32 10->46 dropped 48 C:\Users\user\AppData\Local\...\setup.exe, PE32 10->48 dropped 50 C:\Users\user\AppData\Local\...\ISSetup.dll, PE32 10->50 dropped 52 C:\Users\user\...6sNbxo5sh.exe (copy), PE32 10->52 dropped 13 E6sNbxo5sh.exe 58 10->13         started        process5 file6 54 C:\Users\user\AppData\Local\...\vcl6836.tmp, PE32 13->54 dropped 56 C:\Users\user\AppData\...\vcl120.bpl (copy), PE32 13->56 dropped 58 C:\Users\user\AppData\Local\...\rtl674A.tmp, PE32 13->58 dropped 60 16 other malicious files 13->60 dropped 16 RttHlp.exe 7 13->16         started        20 ISBEW64.exe 13->20         started        22 ISBEW64.exe 13->22         started        24 4 other processes 13->24 process7 file8 38 C:\Users\user\AppData\Roaming\...\vcl120.bpl, PE32 16->38 dropped 40 C:\Users\user\AppData\Roaming\...\rtl120.bpl, PE32 16->40 dropped 42 C:\Users\user\AppData\Roaming\...\RttHlp.exe, PE32 16->42 dropped 44 C:\Users\user\AppData\...\Register.dll, PE32 16->44 dropped 64 Switches to a custom stack to bypass stack traces 16->64 66 Found direct / indirect Syscall (likely to bypass EDR) 16->66 26 RttHlp.exe 1 16->26         started        signatures9 process10 signatures11 78 Maps a DLL or memory area into another process 26->78 80 Switches to a custom stack to bypass stack traces 26->80 82 Found direct / indirect Syscall (likely to bypass EDR) 26->82 29 cmd.exe 2 26->29         started        process12 file13 62 C:\Users\user\AppData\Local\Temp\eupmaxghyw, PE32 29->62 dropped 84 Injects code into the Windows Explorer (explorer.exe) 29->84 86 Writes to foreign memory regions 29->86 88 Found hidden mapped module (file has been removed from disk) 29->88 90 Switches to a custom stack to bypass stack traces 29->90 33 explorer.exe 29->33         started        36 conhost.exe 29->36         started        signatures14 process15 signatures16 68 Switches to a custom stack to bypass stack traces 33->68
Score:
4%
Verdict:
Benign
File Type:
PE
Link:
https://malprob.io/report/51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d/
Threat name:
Win32.Spyware.Stealc
Create hunting rule
Status:
Malicious
First seen:
2024-08-18 12:14:46 UTC
File Type:
PE (Exe)
Extracted files:
289
AV detection:
17 of 24 (70.83%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kh7zm2zy3a4bcril3m7q2auy36ojj7zrmuu4jmjpjjwtmcavkeoq._file
Verdict:
malicious
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:shell discovery stealer
Link:
https://tria.ge/reports/240822-lmma6azcjb/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Executes dropped EXE
Loads dropped DLL
Stealc
Malware Config
C2 Extraction:
http://185.196.9.135
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/4fb00394-3a2c-4f33-b032-54fa77b00468
Unpacked files
SH256 hash:
68bee500e0080f21c003126e73b6d07804d23ac98b2376a8b76c26297d467abe
MD5 hash:
d4dae7149d6e4dab65ac554e55868e3b
SHA1 hash:
b3bea0a0a1f0a6f251bcf6a730a97acc933f269a
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
a6edb3fb6d21dd461da3767a7995034e208f7d6b08997f6cf7ee7b0ea833a8f0
MD5 hash:
cabb58bb5694f8b8269a73172c85b717
SHA1 hash:
9ed583c56385fed8e5e0757ddb2fdf025f96c807
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
a01709a3c9d5eaacc6ca6ca47ef2e4e4e00d883289621c5bfff96620bfd93d8c
MD5 hash:
a89bf69cd0836e08a79d5c216ae776ed
SHA1 hash:
7d7ff6143a729726f200b2201c4a0e7358d2274b
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
27edcbb75f1143edc6f5746ba4114eea7a237a97eefa7b6860c72c53b8e7804c
MD5 hash:
9cfc64892fc00de13b27d56007d341c4
SHA1 hash:
a6cb30023fe07aef3de8f480447b30b497f30771
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
abb7e2d8a0222f8070acdea3a45f934e290486e69a38021f6d61b62aad35e91f
MD5 hash:
f0d1debc0d56e406a24e24411894126a
SHA1 hash:
557721ab6c714ad9faea694465a6516d3cf9bb29
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
8b428acaa33e7bbff785cdfdda48f69a69a4f5792d04ddf7a93c866d8cde6c14
MD5 hash:
13b9511f2b9344cc9012223390542fce
SHA1 hash:
2b6c62180c894b5ac485dd7c33f21ede5d974385
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
SH256 hash:
51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d
MD5 hash:
1b3c505864215b8a7328a51903516611
SHA1 hash:
89c34e74b12d4fa7bad625cc8715411a9e0474b5
Link:
https://www.unpac.me/results/3a508839-8deb-495b-a978-3aa87ebda7f3/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51ff966b38d8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/51ff966b38d83811450bdb3f0d0298df9c94ff316529c4b12f4a6d360815511d

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu

File information

The table below shows additional information about this malware sample such as delivery method and external references.

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::CreateWellKnownSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
ADVAPI32.dll::SetEntriesInAclW
ADVAPI32.dll::InitializeSecurityDescriptor
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdipDeleteGraphics
gdiplus.dll::GdipAlloc
gdiplus.dll::GdipCreateFromHDC
RPC_APICan Execute Remote ProceduresRPCRT4.dll::RpcStringFreeW
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
ADVAPI32.dll::SetSecurityDescriptorDacl
ADVAPI32.dll::SetSecurityDescriptorGroup
ADVAPI32.dll::SetSecurityDescriptorOwner
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
ADVAPI32.dll::OpenThreadToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegOpenKeyW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowExW
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

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