MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663. 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: 17

Intelligence 17 IOCs 1 YARA 4 File information Comments

SHA256 hash:	90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663
SHA3-384 hash:	fd58fc8860abac044d2bb0006814e601f902a0908fb8496ea31db3ffbcb8722cd2bab89c10ab4d15676e3d72a1e30df2
SHA1 hash:	5c78ab3671393286d5b101ab0ec05b6e52994920
MD5 hash:	b6b5c883190b5b3673f37458954688a3
humanhash:	low-romeo-jupiter-october
File name:	b6b5c883190b5b3673f37458954688a3.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	666'624 bytes
First seen:	2024-11-04 22:35:18 UTC
Last seen:	2024-11-05 21:00:12 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	a20218377378835f816db93bd4ba0e01 (1 x Stealc)
ssdeep	12288:zDrNfRsHZR2fE2QyoS2/dvyohRS4NlOeNlrLJFgVoitcPC:z/wXDyZ21vLK4Nlt/ZFCcP
Threatray	167 similar samples on MalwareBazaar
TLSH	T149E4D07272F36843F6B7CE315A39D6F43A2FB9726E65529D2104173B09307A3CA52B12
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	12716d4cf4c4c4c4 (3 x Stealc, 2 x Smoke Loader, 1 x UACModuleSmokeLoader)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://95.215.204.230/01c5cf374baef0e5.php

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
http://95.215.204.230/01c5cf374baef0e5.php	https://threatfox.abuse.ch/ioc/1341046/

Intelligence

File Origin

# of uploads :

# of downloads :

484

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

b6b5c883190b5b3673f37458954688a3.exe

Verdict:

Malicious activity

Analysis date:

2024-11-04 22:36:19 UTC

Tags:

stealer stealc rust

Link:

https://app.any.run/tasks/8ed2f315-9eeb-45fd-b5fb-918a5980f1cc

Note:

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

Detection(s):

SecuriteInfo.com.Win32.DropperX-gen.22060.23243.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67294c558d23d90491337d94

Tags:

exploit cobalt small hype

Result

Verdict:

Malware

Maliciousness:

Behaviour

Connection attempt

Sending an HTTP GET request

Creating a file

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

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint microsoft_visual_cc packed packed packer_detected

Link:

https://www.filescan.io/uploads/67294c54038b20adaa30781e/reports/95f2e26e-b83e-405d-8e40-2d4d4501b7ab/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

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:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/14c5ec1f-2a09-42a5-8ccc-c4765a6ce2c2

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1548876

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted 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 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)

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/90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-11-04 22:36:04 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

17 of 24 (70.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=sc7rv2t4rg5o5vbqzeff2klqt6qthemznvrfri7ppryqimpt4zrq._file

Verdict:

malicious

Label(s):

shellcode_loader_002

stealc

Stealc

6094e2400b66c9d53bdd5f0de67d37705207af0283d00d531105ce0fee86f25b

Stealc

6448755cb9a0b33e628f4289d8a101858ee71c57a0969709d65719aabc37dc10

Stealc

9f5195d2f0afe0cb776016c79b696bf4d027f753c31fb7a3507d4bf1c23c095a

Stealc

c40ada473bd3a23569dd60807fa9754f2917c029e28746e7c1a32568d801dbfe

Stealc

error

Stealc

+ 157 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:logsdiller discovery stealer

Link:

https://tria.ge/reports/241104-2h8atszajq/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Stealc

Stealc family

Malware Config

C2 Extraction:

http://95.215.204.230

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a1ac769f-e9c3-4623-a0fa-fdd84ea5a787

Unpacked files

SH256 hash:

81a4f37c5495800b7cc46aea6535d9180dadb5c151db6f1fd1968d1cd8c1eeb4

MD5 hash:

eda18948a989176f4eebb175ce806255

SHA1 hash:

ff22a3d5f5fb705137f233c36622c79eab995897

Link:

https://www.unpac.me/results/02ad7572-8aad-4c24-b1d1-ad77523278bd/

SH256 hash:

7bb9a2c7a4a76b072bcf305c028417638972b5a6992b67e01a772af2b97be96a

MD5 hash:

927303662199eead6b2b9d06107f3ae2

SHA1 hash:

e06dd3eeb28dba46691d896d91a88d9f722f4f27

Detections:

stealc

detect_Mars_Stealer

Link:

https://www.unpac.me/results/02ad7572-8aad-4c24-b1d1-ad77523278bd/

Parent samples :

ffa2d47682f90005adc72092ecca35bc579803c0fb3eef11e5b22b7d5f7444df
3b2d94bdfce70ff0c55d797daef37210e0201af1500ca88721eaad50f861750a
c10c02af1f610e9436a6eb942070e5fae80e1041bdc027c73a261e2615522251
6448755cb9a0b33e628f4289d8a101858ee71c57a0969709d65719aabc37dc10
9f5195d2f0afe0cb776016c79b696bf4d027f753c31fb7a3507d4bf1c23c095a
4fa2faf24fb7ee3fc4020609c544924e74069331124a92f38e66c23862c307b0
90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

SH256 hash:

90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

MD5 hash:

b6b5c883190b5b3673f37458954688a3

SHA1 hash:

5c78ab3671393286d5b101ab0ec05b6e52994920

Link:

https://www.unpac.me/results/02ad7572-8aad-4c24-b1d1-ad77523278bd/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/90bf1aea7c89/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/90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

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.

Web download

Stealc

exe 90bf1aea7c89baeed430c90a5d29709fa13391996d6258a3ef7c710431f3e663

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3243375/

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_NX	Missing Non-Executable Memory Protection	critical
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::GetStartupInfoW KERNEL32.dll::GetStartupInfoA KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleW KERNEL32.dll::WriteConsoleA KERNEL32.dll::ReadConsoleOutputCharacterA KERNEL32.dll::SetConsoleCursorPosition KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleAliasExesLengthA KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleAliasW KERNEL32.dll::GetConsoleOutputCP KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateFileA KERNEL32.dll::MoveFileExA KERNEL32.dll::MoveFileW KERNEL32.dll::GetFileAttributesW KERNEL32.dll::GetSystemWow64DirectoryW

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