MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12. 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: 13

Intelligence 13 IOCs 1 YARA 4 File information Comments

SHA256 hash:	1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12
SHA3-384 hash:	0e7218a64e4e33ca1edbc6fdf3fdd5f16b5bf38b94b8062a4e204391fad8dbf09f424f7e63116fec4ecde47821cee716
SHA1 hash:	d8f337ca370a09992ad27220f144a6f20c372251
MD5 hash:	3e5fc816d18b06cefcb86a31ae9fe52e
humanhash:	william-sweet-alaska-quiet
File name:	1891f566c018182f1b5826b5fe2a05d6927aff15638d2.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	305'152 bytes
First seen:	2024-12-10 23:15:19 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	774cda8fc0346db46e8806dce0e3365d (2 x Stealc)
ssdeep	3072:bWDK/GyxdpY69sWL1rI6HajUvMsmnyrZy4ZWcshT1JCHrRzTiqNP9Rg9CEhLkg:6DgG4MWJrw4RI9hhDCLRzdgC
TLSH	T115547B1166F198F5FEB78F305B74DDA419FBBCA26A70809EA2C4371F29732904D62712
TrID	46.6% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 25.2% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 8.5% (.EXE) Win64 Executable (generic) (10522/11/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
File icon (PE):
dhash icon	1018294349301000 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://92.255.57.89/45c616e921a794b8.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
http://92.255.57.89/45c616e921a794b8.php	https://threatfox.abuse.ch/ioc/1354319/

Intelligence

File Origin

# of uploads :

# of downloads :

647

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

c3108cefdf629f631dbba54af7124abc.exe

Verdict:

Malicious activity

Analysis date:

2024-12-10 23:01:32 UTC

Tags:

loader stealer stealc

Link:

https://app.any.run/tasks/f0f8d61c-c03e-49b9-82ce-acc86de4f2f7

Note:

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

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.18584.9122.UNOFFICIAL

Verdict:

Clean

Score:

89.3%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6758ccb44d2e5a6e036a2095

Tags:

malware

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Сreating synchronization primitives

Connecting to a non-recommended domain

Connection attempt

Sending an HTTP GET request

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed

Link:

https://www.filescan.io/uploads/6758cbb665406d1ff351d58d/reports/1e151bb3-db1f-4c26-8bf7-592843f813e1/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12

Result

Verdict:

UNKNOWN

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:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/befc8c33-4975-4928-85e6-4bbc3e0ae226

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1572830

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

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)

Suricata IDS alerts for network traffic

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/1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-12-10 23:16:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

22 of 24 (91.67%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=dci7kzwadamc6g2ye2274kqf22jhv7yvmogsrr6l455lcgrwnyja._file

Verdict:

malicious

Label(s):

stealc

shellcode_loader_002

Similar samples:

error

Stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default discovery stealer

Link:

https://tria.ge/reports/241210-284qbsyqfk/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Program crash

System Location Discovery: System Language Discovery

Checks installed software on the system

Stealc

Stealc family

Malware Config

C2 Extraction:

http://92.255.57.89

Verdict:

Suspicious

Tags:

Stealer Stealc

YARA:

n/a

Link:

https://app.threat.zone/submission/ba1c522d-be63-4079-86dc-86cf5276c5c3

Unpacked files

SH256 hash:

f0e455de42abca08361e19f0aa108332ffcaffb4cb03674c87af65fa801772d5

MD5 hash:

e8c2380c7286cae4bc9fe9e44df6c328

SHA1 hash:

5bb46b89d30ed502b34a5b5d22002e5690155a45

Detections:

VidarStealer

Link:

https://www.unpac.me/results/07429ff1-228c-4dc5-9ddc-5cf90d439e93/

Parent samples :
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SH256 hash:

1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12

MD5 hash:

3e5fc816d18b06cefcb86a31ae9fe52e

SHA1 hash:

d8f337ca370a09992ad27220f144a6f20c372251

Link:

https://www.unpac.me/results/07429ff1-228c-4dc5-9ddc-5cf90d439e93/

Please note that we are no longer able to provide a coverage score for Virus Total.

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:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	RansomPyShield_Antiransomware Create hunting rule
Author:	XiAnzheng
Description:	Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)

File information

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

Web download

Stealc

exe 1891f566c018182f1b5826b5fe2a05d6927aff15638d28c7cbe77ab11a366e12

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3224579/

Delivery method

Distributed via web download

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::WriteProcessMemory
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::DeleteVolumeMountPointA KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleOutputW KERNEL32.dll::WriteConsoleOutputAttribute KERNEL32.dll::GetConsoleAliasExesLengthW KERNEL32.dll::GetConsoleAliasW
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::GetFileAttributesA
WIN_SVC_API	Can Manipulate Windows Services	ADVAPI32.dll::EnumDependentServicesW

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