MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099. 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: 15

Intelligence 15 IOCs YARA 12 File information Comments

SHA256 hash:	b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099
SHA3-384 hash:	8eb005316460458783f63b22793693f7883208724f1ab22342990f75b18216645002ddaacd101b757bd0b809bade91be
SHA1 hash:	b1358e091ad4b1813abf672f5d843de3c82615dc
MD5 hash:	1f0f7dd35fd91b8f1a30b30776b21e51
humanhash:	leopard-spaghetti-helium-december
File name:	file
Download:	download sample
Signature	Stealc Create hunting rule
File size:	268'800 bytes
First seen:	2023-11-05 18:27:47 UTC
Last seen:	2023-11-05 19:14:19 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	105a7720394e63394e65284a3456719d (5 x Stealc, 3 x Tofsee, 1 x CoinMiner)
ssdeep	3072:PFzcBKEjmZLoXJ0GcvNZ8Oq2NtNeAvWiBsXBjKHPcYq5XBYlVE3P:9zc4EKZLoZ0Gcl660YiqcBkm
Threatray	242 similar samples on MalwareBazaar
TLSH	T1A9445B9392D13DB5F5264B728F2ED6F87A5EF550CF59776A22388A2F04B00B2C263711
TrID	39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	02020a2020108000 (1 x Stealc)
Reporter	andretavare5
Tags:	exe Stealc

andretavare5

Sample downloaded from http://robertcook.top/timeSync.exe

Intelligence

File Origin

# of uploads :

# of downloads :

359

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/458123/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

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)

Searching for the window

Сreating synchronization primitives

Query of malicious DNS domain

Stealing user critical data

Sending an HTTP GET request to an infection source

Gathering data

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

greyware lolbin packed shell32

Link:

https://www.filescan.io/uploads/6547deb46d8ae22c1ab13f4e/reports/5c960bdc-ab07-4eec-8f4c-3a4c67ea7ff5/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

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:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/12b4e10e-a9a4-4aa3-8fbc-4f48659b6515

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1337302

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 evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)

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 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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099/

Threat name:

Win32.Trojan.Privateloader

Status:

Malicious

First seen:

2023-11-05 18:28:06 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=wkea2jabtej6bdykxonx6zmv7lxxlxrrtetj6cjogfpbhpvf4cmq._file

Verdict:

malicious

Stealc

22129d7e9e05b24fa1b6e10177a3e2f793f478f147f6d0688f6c85806d434341

Stealc

7e04c56866f825de5621cf8074ce8235b49e7cc2bd2410ac75bbc9d1da9a5b67

Stealc

a726ad80960cf547e9154a39a704a48b98079786d896c5544044a7c3044d5a18

Stealc

a75e3f3e506051b9e4313a407c2a993f9d662a142f2ec6265edeca16511bc115

Stealc

aff40728907a20084c4762db4b6f305dc3e56695a538b92d8a418b0b29821522

Stealc

b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

Stealc

e21e02d5e76167ff0fb6b1a534f48249558aab9e9950845ce4b0c77e79864f25

Stealc

+ 232 additional samples on MalwareBazaar

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/231105-w4babsca38/

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://williammoore.top

Unpacked files

SH256 hash:

6b0ad900bd0abb43d153c07f8f6dd92aa25fb2515b55c5ae54d807d7e159e3ff

MD5 hash:

2951667e5bf8c0769e3e6c8db64beacb

SHA1 hash:

50e0446d3a0440d2edcb3fea00a2b8bc0795c785

Detections:

stealc

Link:

https://www.unpac.me/results/d9f1d43f-9af1-42a6-99e4-5e200158927f/

Parent samples :

5166d61c8b8b42bb7fc4c61847cac83c284031d523e8998633b01e0af6e02e8d
6a8d89dce793fe2b3dece3e933914a579153c8b26761c128d3b550d6a5e48995
5aeaa349b8e610123b2093436bbce6b76f4a6cef193c266dbbc6888fdcac5b5b
11600a65e9843dd9405b14825e0f8972e6843d18d56c919dde88e493d2a563ab
1671e83e843e98dadcebe0e45749120ca568409c3f8fbd60f5273aa6f8b7f589
dc84380a46e1c26626db797d8e2f9e5e64096c5a79539e048e3ffb395b406e3a
f7ba95f0e91ac4ca37c1615a5e09c3da8b9e2a495e52a5e1db142fc85f8b9a8e
56a6193fa150519df0ef9043094a2235855d6cb3fca36a4bfcb73cc57e800831
2ab87c14730e6d85b5f71395c6f228acdc70d6a3ee7078eefa53d206b64c4e25
d6eabb83f35e3577eb994fac432bb4334d579393249bdd6cbf39f71bd3785d59
0e0048728bb3a7cd7adb96810918aad5192388707fd2c94a02138bb9a724f430
46833ca0a3bacd5a06af6ead4ad2915d7fc0bd92af8c1ab32b453d55bf7dbdf9
22129d7e9e05b24fa1b6e10177a3e2f793f478f147f6d0688f6c85806d434341
aff40728907a20084c4762db4b6f305dc3e56695a538b92d8a418b0b29821522
b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

SH256 hash:

b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

MD5 hash:

1f0f7dd35fd91b8f1a30b30776b21e51

SHA1 hash:

b1358e091ad4b1813abf672f5d843de3c82615dc

Link:

https://www.unpac.me/results/d9f1d43f-9af1-42a6-99e4-5e200158927f/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/b2880d240199/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/b2880d24019913e08f0abb9b7f6595faef75de3199269f092e315e13bea5e099

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:	DebuggerCheck__QueryInfo 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:	Trojan_W32_Gh0stMiancha_1_0_0 Create hunting rule

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/