MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425. 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: 18

Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash:	91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425
SHA3-384 hash:	86821bfe2000f9c3c5f540c9e20c3fda7b64c3091eb6d216162eee3806378d6ec8975f5d85c38ddaee733f0977995bb7
SHA1 hash:	c805d22e12308e3adcb7ceb513d03a818c25b525
MD5 hash:	3e06fc535774ee550c28b8bb3ab06721
humanhash:	stairway-football-connecticut-coffee
File name:	3e06fc535774ee550c28b8bb3ab06721.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	352'768 bytes
First seen:	2024-11-01 18:51:36 UTC
Last seen:	2024-11-01 20:34:06 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	bfb76204e8d38bd72e1fef636ecd0cf6 (1 x Stealc)
ssdeep	6144:rLf/fZMINCQfWth/j6JWJZuA77955m4b5T:rzBMdQfWth/WcJZp7H04b5
Threatray	366 similar samples on MalwareBazaar
TLSH	T1D174BEA1B6F59427F7F74A305D70D7B49AFBB863BE38805E2218365E0D322918B65703
TrID	52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 17.7% (.EXE) Win64 Executable (generic) (10522/11/4) 8.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.5% (.EXE) Win32 Executable (generic) (4504/4/1) 3.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika	pebin
File icon (PE):
dhash icon	12716d4ce4c4d4d4 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

399

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

3e06fc535774ee550c28b8bb3ab06721.exe

Verdict:

Malicious activity

Analysis date:

2024-11-01 18:59:51 UTC

Tags:

stealer stealc

Link:

https://app.any.run/tasks/92440cbb-6b2a-42d5-89ba-387a41eac685

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.7328.11829.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=672523618d23d90491328cda

Tags:

powershell cobalt lien

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Searching for the window

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed packed packer_detected stealc

Link:

https://www.filescan.io/uploads/6725235d1856d16cb610408a/reports/a9716f48-4f69-4346-a075-8c54e419a93c/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425

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.

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8e88f329-6cbd-4b11-b3d3-ef284571cf58

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1547019

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Found evasive API chain (may stop execution after checking locale)

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Self deletion via cmd or bat file

Suricata IDS alerts for network traffic

Tries to harvest and steal Bitcoin Wallet information

Tries to harvest and steal ftp login credentials

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425/

Threat name:

Win32.Trojan.Stealc

Status:

Malicious

First seen:

2024-11-01 14:32:00 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 24 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=sh2slgsn4cesyowo2lfvypd7xg3nwmzd6evzcgqr3ffkhcs56qsq._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Stealc

2cef6d9917bbccdc5ffffbf7b687da70e673f3a5dc6923c715e4fc50e0115e17

Stealc

4f363d41d1e54162264275eb262685aa6508af2edfb2af7a1b1b95034ffa63ee

Stealc

57742d6edf5ffc0fd65d91e1520f96115eb63765406a50a69cd65116da2cfd77

Stealc

6b23abaea95768da8ce9fc5be1df50971eba79d76a53b7ad8cf62386be4ae8aa

Stealc

d55ad94a77ea66d10c117f375fa1aa86878c4801d95e1e89af06a540a1a447c2

Stealc

+ 356 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default9_cap credential_access discovery spyware stealer

Link:

https://tria.ge/reports/241101-x1zzysthlh/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

System Location Discovery: System Language Discovery

Checks installed software on the system

Checks computer location settings

Deletes itself

Reads data files stored by FTP clients

Unsecured Credentials: Credentials In Files

Stealc

Stealc family

Malware Config

C2 Extraction:

http://62.204.41.177

Verdict:

Malicious

Tags:

stealc

YARA:

n/a

Link:

https://app.threat.zone/submission/43dabcb8-3c02-464d-903d-6644c7e202eb

Unpacked files

SH256 hash:

a4211bfa305f6af78e7a54ec478c6f39ae7846f9dd578ccfdd5683be433aa1f7

MD5 hash:

ef6dc5a037160c686bc0555675d0e17b

SHA1 hash:

097b3467bbeac25744fb803ed1c21e8469b4ecdf

Detections:

stealc

detect_Mars_Stealer

Link:

https://www.unpac.me/results/44b8b0e8-e17e-432f-83af-5b1d782971a3/

Parent samples :
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SH256 hash:

29e7e1c1e1a7e5f26f6961d8036cdd04ee4557dec0a7dcadcd8e7651f5e53f43

MD5 hash:

2ec23e83e2f63ab27c25741b1f4d7f49

SHA1 hash:

bb231b274bd66393fa830a44e6d4447d4399eeb9

Link:

https://www.unpac.me/results/44b8b0e8-e17e-432f-83af-5b1d782971a3/

SH256 hash:

91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425

MD5 hash:

3e06fc535774ee550c28b8bb3ab06721

SHA1 hash:

c805d22e12308e3adcb7ceb513d03a818c25b525

Link:

https://www.unpac.me/results/44b8b0e8-e17e-432f-83af-5b1d782971a3/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/91f5259a4de0/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/91f5259a4de0892c3aced2cb5c3c7fb9b6db3323f12b911a11d94aa38a5df425

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:	DebuggerHiding__Active Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

No further information available

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

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::VirtualAllocEx KERNEL32.dll::CloseHandle
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetStartupInfoW KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleOutputCharacterW KERNEL32.dll::SetConsoleCursorPosition KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesLengthW KERNEL32.dll::GetConsoleAliasW KERNEL32.dll::GetConsoleFontSize KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::MoveFileExW KERNEL32.dll::MoveFileW KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetSystemWow64DirectoryW

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