MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d. 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 YARA 2 File information Comments

SHA256 hash:	aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d
SHA3-384 hash:	44678c5799c937096826e44e76a80c1eb796706db2f7544492a8a0105a1b3ee856eb186a7b7516fb34bff8c4d59000b4
SHA1 hash:	588b459fb76ecf67bec77f281f77b7074bd51271
MD5 hash:	0c988bbe4a1db9c20909e79de28b013e
humanhash:	stream-cup-kilo-eleven
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	248'320 bytes
First seen:	2023-09-10 08:55:38 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	cda48ebb1fe57d9b31da3a94fc154bf3 (2 x Smoke Loader, 1 x Stealc, 1 x Stop)
ssdeep	3072:ojuTe8LI8UF82KICODSRVHCF07FThMCCgm3OBfAp0fl1Z53Zy+h:GuTe8LW8mCiSRlAghk2RO0NNZy
Threatray	260 similar samples on MalwareBazaar
TLSH	T104348C1325E0BC7ED25703354F6DBAEC7B6EF8605E66C74B23141E6A1A302B1D61B326
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	0050c09030381000 (1 x Stealc)
Reporter	andretavare5
Tags:	exe Stealc

andretavare5

Sample downloaded from http://williecampbell.top/calc2.exe

Intelligence

File Origin

# of uploads :

# of downloads :

288

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2023-09-10 08:57:53 UTC

Tags:

stealc stealer

Link:

https://app.any.run/tasks/09548927-6675-44f5-8459-c9d2047a204e

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/447709/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Clean

Maliciousness:

Behaviour

Launching the default Windows debugger (dwwin.exe)

Gathering data

Verdict:

No Threat

Threat level:

10/10

Confidence:

100%

Tags:

greyware packed

Link:

https://www.filescan.io/uploads/64fd84a286964ed9c618646b/reports/a6b4348c-6f20-43a0-a3fe-dcd9cb1778d1/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d

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/99544c4d-ea25-4cda-b1e3-36c764612f2a

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1306808

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 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 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/aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2023-09-10 08:56:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 22 (86.36%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=v3ywyddssvlvuwgop2ldyjy3kadvrgweasxr5rnbq2ru74ea7n6q._file

Verdict:

malicious

Stealc

37297514a2a5af1e14981bac45ec19f91fb0de2a4914ec1fb4d85afd4ac5cb86

Stealc

436df5626a5852dbc7e583a9539f55d068e65d9b6cd62b339c64dd2a87f4ad46

Stealc

4fa066ec21247d30bc4cafba293d36e2a02e5ffc6dd491591dd52fe38e87ec50

Stealc

574b077dd3e9f8ec41d2cd919445b06d765af63da6c5fa55c02843c4a486f638

Stealc

ae124eaa39189cfaa3cd5a74837e40732efdf6e1850e3dccebd903fb0d619482

Stealc

e1ca58eccb42ff2a1afb121bed6b78949102aaf06dedcd10d36149f8e9a4b3b8

Stealc

fe67f1ecbe9abfe88f81ddf03e32195a00a188f1944309308ffd115d1792e343

Stealc

+ 250 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:8268873659707098636355379426 discovery spyware stealer

Link:

https://tria.ge/reports/230910-kv1m3sfh5w/

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

Checks computer location settings

Deletes itself

Loads dropped DLL

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://charlesjones.top

Unpacked files

SH256 hash:

3b16e7380171ace72014d2c96da0f5e39e3a59b04292ae835810811c9b8993be

MD5 hash:

b680e0c51e9f88c1d01c74d5753c021d

SHA1 hash:

85c53fb73c0610cec81ce9a31c233e7cac911556

Link:

https://www.unpac.me/results/0ae48112-a1ee-44ba-bdb3-c4e65ddf98df/

Parent samples :
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SH256 hash:

aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d

MD5 hash:

0c988bbe4a1db9c20909e79de28b013e

SHA1 hash:

588b459fb76ecf67bec77f281f77b7074bd51271

Link:

https://www.unpac.me/results/0ae48112-a1ee-44ba-bdb3-c4e65ddf98df/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/aef16c0c7295/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/aef16c0c7295575a58ce7e963c271b5007589ac404af1ec5a186a34ff080fb7d

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.