MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916. 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: 16

Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash:	2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916
SHA3-384 hash:	364c0b651d4107d5989725f3b32458f547655f7328b68c3de6dad9db6d66ed6f7eb4a7f39e663983359bf002d35c1ac6
SHA1 hash:	2c90ef3cdbce451aabf5b4290bd41b33900e1b76
MD5 hash:	a7caaabf9627865778471046c0cf5eda
humanhash:	magnesium-mississippi-nineteen-leopard
File name:	a7caaabf9627865778471046c0cf5eda.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	252'416 bytes
First seen:	2023-08-22 04:15:10 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	83f305571af3bad4fd0b459ab4b0a012 (3 x TeamBot, 1 x Stealc, 1 x LummaStealer)
ssdeep	3072:mtLMZVLKWGG37DTTNjuB3ujkS4W877VQE7tw+qBuL3UmI5XGLF:mKZVLaG378NuQWiemXB6GL
Threatray	145 similar samples on MalwareBazaar
TLSH	T1FB34BE1276A1E873D7574630DD2EC6A477EEB4204F99969733180B2F09702A2C26FF76
TrID	37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 16.0% (.EXE) Win32 Executable (generic) (4505/5/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	0030409030301000 (1 x Stealc)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://reinroot.top/3886d2276f6914c4.php

Intelligence

File Origin

# of uploads :

# of downloads :

309

Origin country :

Vendor Threat Intelligence

Malware family:

redline

ID:

File name:

https://mdesignmediagroup.com/download/Setup_password1234.7z

Verdict:

Malicious activity

Analysis date:

2023-08-21 22:29:26 UTC

Tags:

privateloader evasion opendir loader risepro stealer redline stealc fabookie amadey trojan smoke keylogger

Link:

https://app.any.run/tasks/7a543056-dcae-4e93-b6f9-4074fc5cf29f

Note:

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

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/444032/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

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)

Query of malicious DNS domain

Sending an HTTP GET request to an infection source

Result

Malware family:

n/a

Score:

9/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/108256/overview

Behaviour

MalwareBazaar

CPUID_Instruction

SystemUptime

MeasuringTime

EvasionGetTickCount

CheckCmdLine

EvasionQueryPerformanceCounter

Verdict:

Malicious

Threat level:

10/10

Confidence:

86%

Tags:

greyware packed xpack

Link:

https://www.filescan.io/uploads/64e43683a29d57e203894832/reports/50c9538b-4146-436e-b66c-10ab23c3bb2f/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916

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:

Oski Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/9de8f080-515d-4dfa-9beb-773ac5ac5576

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1294847

Signature

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

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for domain / URL

Multi AV Scanner detection for submitted file

Self deletion via cmd or bat file

Snort IDS alert for network traffic

Tries to harvest and steal browser information (history, passwords, etc)

Tries to steal Crypto Currency Wallets

Tries to steal Mail credentials (via file / registry access)

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916/

Threat name:

Win32.Trojan.Privateloader

Status:

Suspicious

First seen:

2023-08-21 22:58:35 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

18 of 23 (78.26%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=fkgesj6gooxfh6qlthapf2g44oyj5j7w5kmflraub4myxf4j7ela._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc spyware stealer

Link:

https://tria.ge/reports/230822-evs1cahh97/

Behaviour

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Accesses cryptocurrency files/wallets, possible credential harvesting

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Unpacked files

SH256 hash:

6506a462fb49a209a33e36b85b2912b71fa79b318437bc73c08c800800351ceb

MD5 hash:

bb14bb3ccf65f7e521b7297c15c295f5

SHA1 hash:

49bd67b5c3f75b481270afd50a292b8346490c82

Link:

https://www.unpac.me/results/4b8c0135-d49a-4b0d-b5bc-9bd5478a3624/

SH256 hash:

2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916

MD5 hash:

a7caaabf9627865778471046c0cf5eda

SHA1 hash:

2c90ef3cdbce451aabf5b4290bd41b33900e1b76

Link:

https://www.unpac.me/results/4b8c0135-d49a-4b0d-b5bc-9bd5478a3624/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2a8c4927c673/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/2a8c4927c673ae53fa0b99c0f2e8dce3b09ea7f6ea9855c4140f198b9789f916

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:	DebuggerException__SetConsoleCtrl 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

Rule name:	detect_Mars_Stealer Create hunting rule
Author:	@malgamy12
Description:	detect_Mars_Stealer

Rule name:	infostealer_win_stealc_standalone Create hunting rule
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

Rule name:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

Rule name:	win_stealc_w0 Create hunting rule
Author:	crep1x
Description:	Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:	https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/