MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4. 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

MarsStealer

Vendor detections: 13

Intelligence 13 IOCs YARA 1 File information Comments

SHA256 hash:	2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4
SHA3-384 hash:	5453670f8224b00b04612a0483ce61e33e3e91f4235fd58767330fe133822937d7d2d0dbeb63e285225a5989f88c8821
SHA1 hash:	90a3401cf5b8ce1572cd2405e3d53ea5e315fb0b
MD5 hash:	2698d3601b43f4ae6487139499a37f21
humanhash:	echo-michigan-kitten-georgia
File name:	file
Download:	download sample
Signature	MarsStealer Create hunting rule
File size:	272'384 bytes
First seen:	2023-09-08 12:43:21 UTC
Last seen:	2023-09-08 14:02:47 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	4868013697dba3fbfba2507dbe7e510e (1 x Smoke Loader, 1 x MarsStealer, 1 x Amadey)
ssdeep	3072:m+5B2iNb+5cLuhalDRkBVGvvvBaEMsI5GhdSNoZOgcWAmqAG1/xR+noy4FmKPPk:V58r5cL+GDMVjRGhg9XWAz2nolFB8
Threatray	81 similar samples on MalwareBazaar
TLSH	T18D445C1362E0FC61E667CB314F2EE6EC772EF4524E65AB5922085E1F09723B2D563312
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	080818080a030200 (1 x MarsStealer)
Reporter	andretavare5
Tags:	exe MarsStealer

andretavare5

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

Intelligence

File Origin

# of uploads :

# of downloads :

312

Origin country :

Vendor Threat Intelligence

Malware family:

oski

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2023-09-08 12:46:48 UTC

Tags:

oski stealc stealer loader

Link:

https://app.any.run/tasks/c3236ed0-3f34-4c2f-ac60-44a2a5647feb

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/447426/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Clean

Maliciousness:

Behaviour

Sending a custom TCP request

Gathering data

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4

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/30775b66-a01e-4983-9944-5eb169dbd284

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1306147

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)

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/2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2023-09-08 12:44:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=f7wqq7pyseaop3rtqcysl63g3wqg7olngn6zfnejyf7ezff3wk2a._file

Verdict:

malicious

MarsStealer

4fa066ec21247d30bc4cafba293d36e2a02e5ffc6dd491591dd52fe38e87ec50

MarsStealer

53cd047dfb61fc7c3391c4300b4a75fbaea2b9d304c4a482e493f8eb4e7f2660

MarsStealer

574b077dd3e9f8ec41d2cd919445b06d765af63da6c5fa55c02843c4a486f638

MarsStealer

a3f8a75b62e2cd1b0f7d1e619be512f20e469f95a03c095a25e1c9debf64b423

MarsStealer

b2000bfff069cd0554a923e50c2188184ec39b724a5a80fa45f33a5571c69bfa

MarsStealer

e1ca58eccb42ff2a1afb121bed6b78949102aaf06dedcd10d36149f8e9a4b3b8

MarsStealer

e98360ac2b2e51024e6ed3b09b43660e8932a5cfe18c7d75ca4be4f38e1b2183

MarsStealer

fe67f1ecbe9abfe88f81ddf03e32195a00a188f1944309308ffd115d1792e343

MarsStealer

ffb49a4f796a33f6bb50a4ee3c71ec12819852ec25c2e6be4220e4cf7728c5c6

MarsStealer

+ 71 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:8268873659707098636355379426 discovery spyware stealer

Link:

https://tria.ge/reports/230908-pygftsbg77/

Behaviour

Delays execution with timeout.exe

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Checks processor information in registry

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/9a0b7044-a67e-46bc-8775-8bef9f531c7a/

Parent samples :
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SH256 hash:

2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4

MD5 hash:

2698d3601b43f4ae6487139499a37f21

SHA1 hash:

90a3401cf5b8ce1572cd2405e3d53ea5e315fb0b

Link:

https://www.unpac.me/results/9a0b7044-a67e-46bc-8775-8bef9f531c7a/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/2fed087df891/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/2fed087df89100e7ee3380b125fb66dda06fb96d337d92b489c17e4c94bbb2b4

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.