MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01. 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

SHA256 hash:	b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01
SHA3-384 hash:	901a6f6a348195bccc673c6dfdb842038e6d5f329c0adde54f0f919006a242eac6445c00edd81c9d59a8f72218148680
SHA1 hash:	07fe7d2d83e1b828aebc887472908cf4d5a076ff
MD5 hash:	f385dfba71dc3126ccb56ed1d3ef6b17
humanhash:	juliet-social-winter-lemon
File name:	f385dfba71dc3126ccb56ed1d3ef6b17.exe
Download:	download sample
Signature	Stealc Alert Create hunting rule
File size:	286'720 bytes
First seen:	2023-12-26 17:10:17 UTC
Last seen:	2023-12-26 18:21:13 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2581d6c78303aee77584be94554614b8 (4 x Stealc, 4 x Smoke Loader, 1 x Amadey)
ssdeep	3072:CicfzZ9cS+LFQcB40Q5CJilB+FuKlE+Bi6yQQQzIrga+PkhrH50kLd9e6qjG:Pcl9cS+LOssfmBdyQQQzIkxPkYkvl
TLSH	T187548C2176E0DC32E2E309358634C7F50A7BBC726835958FABD12A794F217D1E62970B
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) (10523/12/4) 5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	d2b1e4c4ecb9c7f9 (20 x Smoke Loader, 13 x Stealc, 8 x RedLineStealer)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://5.42.66.58/3886d2276f6914c4.php

Intelligence

---

File Origin

# of uploads :

2

# of downloads :

325

Origin country :

NL

Vendor Threat Intelligence

ANY.RUN smoke

Malware family:

smoke

Alert

Create hunting rule

ID:

1

File name:

35b53c7ca5295907c9379f845668a530.exe

Verdict:

Malicious activity

Analysis date:

2023-12-26 17:23:26 UTC

Tags:

loader smoke smokeloader sinkhole evasion stealer stealc

Link:

https://app.any.run/tasks/4be0ea45-ebb5-4404-bacd-31c1d3a63059

Note:

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

CAPE Sandbox

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/469383/

ClamAV Detected

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.7027.24130.UNOFFICIAL

Alert

Create hunting rule

Dr. Web vxCube Malware

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Reading critical registry keys

Changing a file

Creating a file in the %AppData% subdirectories

Creating a window

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Stealing user critical data

Sending an HTTP GET request to an infection source

FileScan.IO Suspicious

Verdict:

Suspicious

Threat level:

  5/10

Confidence:

100%

Tags:

packed

Link:

https://www.filescan.io/uploads/658b0927b855eb3693f97866/reports/d0ce07e0-a04b-4064-a3e1-2aed4bdb68c4/overview

Hybrid Analysis Malware

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01

InQuest MALICIOUS

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.

Intezer Stealc

Malware family:

Stealc

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/1d30b182-78b4-433c-b5bd-0f33d936a915

Joe Sandbox Stealc, Vidar

Result

Threat name:

Stealc, Vidar

Alert

Create hunting rule

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1367104

Signature

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

Sample uses string decryption to hide its real strings

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 harvest and steal ftp login credentials

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

Yara detected Stealc

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Nucleon Malprob Malware

Score:

100%

Verdict:

Malware

File Type:

PE

Link:

https://malprob.io/report/b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01

CERT.PL MWDB stealc

Detection:

stealc

Alert

Create hunting rule

Link:

https://mwdb.cert.pl/sample/b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01/

ReversingLabs TitaniumCloud Win32.Spyware.Stealc

Threat name:

Win32.Spyware.Stealc

Alert

Create hunting rule

Status:

Malicious

First seen:

2023-12-26 17:11:07 UTC

File Type:

PE (Exe)

Extracted files:

22

AV detection:

17 of 19 (89.47%)

Threat level:

  2/5

Spamhaus Hash Blocklist Malicious file

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=xbbnsh5tl3cxrzbmwiiavi2pibbk477t73nlobagv6pmzerdhqaq._file

Threatray malicious

Verdict:

malicious

Hatching Triage stealc

Result

Malware family:

stealc

Alert

Create hunting rule

Score:

  10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/231226-vp9nxaffbp/

Behaviour

Checks processor information in registry

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

Checks installed software on the system

Deletes itself

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://5.42.66.58

UnpacMe stealc win_stealc_auto win_stealc_a0

Unpacked files

SH256 hash:

b1bf1a8e06d97dfa313d464046ed59ec5013774cdd094c45291ee76c8d6beebd

MD5 hash:

d3c5155af2fcc2a23e1895751b448cc3

SHA1 hash:

85e4be5614eea9932938d4017821e0e249f741ed

Detections:

stealc

Alert

Create hunting rule

win_stealc_auto

Alert

Create hunting rule

win_stealc_a0

Alert

Create hunting rule

Link:

https://www.unpac.me/results/1b3319c5-3bdf-4089-9247-aea22b2fffdb/

Parent samples :

a07c1a4b833efdbb555f0b931a2321aeba70191b21de5095fe79faea05c5dd0b
95a88bacdc3b5524ee43abd4c37c729b69f4b2bf439d61cecedf54fb1f0df94e
86421ef64cc846ac68f8a2e61253e0810ea3ceff92f2273d55e02ab287f22cec
5089b46f56c2e613455fc53274d3623e160feef4050accf54418203a7349f792
f2d892433d79294fc26884d0f9ffdb0399ef2ed9e6c7f18fc9aed5861996b577
15cdd7b6d90535beeda078d371f868380127c99bfe8e0122201a0ea7b8a2959f
fc85dfdfa68206812145aefee4d7814b9ae4a9ec82af71a1e24959d366425488
864eddabbefaa853a404c5ae46ff3fc3a78b08c0b6753c4938c4ae2673b62042
b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01
1de63681d9a17b093bdae592cfd55ce4670bd3630637719661b16d35c83be274
e90faacf06a1281d1cdafa0cc63411c976ba21e585b8ea5912d7777123b1dba1
22293cfe1b81082ebb3d6b8cc3e3065b081654d18caf2fc13aa4f557a88fabd4
9129162e186b998b974d815f1887d60168afa67c6e48e464b14380163a70eddf
a382fcb32db74d131d42ba5eed28589e66b44a873cddd1503489f128b05bb43f
7f60782c01aa624be6cd210afd00ec3a566c2efbffc659e9cf524ad01114343b
b770ebce28cbe46ccb12c09b252b99827e0a7fcd7f64102498cd4e18edb61a00
ed521f9314ec81688174f7c3b29e128339bf7586e930b1dca76a8e165b9cb5b5
b012a728ee730420d06896b13cfd47e32648eb8b7830850709ebebb0f154b796

SH256 hash:

b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01

MD5 hash:

f385dfba71dc3126ccb56ed1d3ef6b17

SHA1 hash:

07fe7d2d83e1b828aebc887472908cf4d5a076ff

Link:

https://www.unpac.me/results/1b3319c5-3bdf-4089-9247-aea22b2fffdb/

VMRay Stealc

Malware family:

Stealc

Alert

Create hunting rule

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b842d91fb35e/report/overview.html

VirusTotal

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

YOROI YOMI Malicious File

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01

File information

---

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

Web download

Stealc

exe b842d91fb35ec578e42cb2100aa34f4042ae7ff3fedab70406af9ecc92233c01

(this sample)

  

URLhaus

https://urlhaus.abuse.ch/url/2736472/

  

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/469383/