MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9. 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: 14

Intelligence 14 IOCs YARA 10 File information Comments 1

SHA256 hash:	07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9
SHA3-384 hash:	aec816505bdf538c3b5bc7819c3e4d554ef5c6341f24422951d361bee9d2bea06341b11ae572bf4a7127b8cf65ce0219
SHA1 hash:	faa802e34c36ece2fb43d3f11dc0de52d85c2437
MD5 hash:	e63e2ae27716a6446d369cd079b7235b
humanhash:	emma-romeo-foxtrot-bluebird
File name:	e63e2ae27716a6446d369cd079b7235b
Download:	download sample
Signature	Stealc Create hunting rule
File size:	236'032 bytes
First seen:	2024-02-02 00:39:56 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	81e86234e08eee20f287d99d24a311b6 (1 x Stealc)
ssdeep	3072:y2TsPLbrk5ydSfk8PFasc+6MkHElWWpjS2LnlrBZ5u1eX7ijV5aAosx6TVN5:OPLAy4kc8GLl5tS2Lnzr6m4CAos2
TLSH	T1BD34CF1079E2D7F3C9A700707870DAA42E7B7CAE56B4809F37982B5F1E7D6904A66313
TrID	39.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.5% (.SCR) Windows screen saver (13097/50/3) 13.3% (.EXE) Win64 Executable (generic) (10523/12/4) 8.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):
dhash icon	0000004942080c05 (1 x Stealc)
Reporter	zbetcheckin
Tags:	32 exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

362

Origin country :

Vendor Threat Intelligence

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/474116/

Detection(s):

Win.Packer.pkr_ce1a-9980177-0

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

fingerprint packed

Link:

https://www.filescan.io/uploads/65bc39e20f9f4cad957218a5/reports/81d6f9b9-806b-4db1-8426-6319d5a230cf/overview

Verdict:

Malicious

Labled as:

Malware

Link:

https://www.hybrid-analysis.com/sample/07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9

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/29a59885-950d-48b4-a510-ae2de6e29672

Result

Threat name:

Stealc, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1385284

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

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

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9/

Threat name:

Win32.Trojan.StealC

Status:

Malicious

First seen:

2024-02-02 00:40:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=a6z4jjd6ykyomjub3vg6nbtlqcniejrmiu3awjfbtzd3fml62xeq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc discovery spyware stealer

Link:

https://tria.ge/reports/240202-az7l3shga9/

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 data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Stealc

Malware Config

C2 Extraction:

http://185.172.128.79

Unpacked files

SH256 hash:

ec819c80107ab4bdcdbcd9b8246e767e53bd1b0c642b1c701e5ee5a04f0de801

MD5 hash:

5fa7896faccf4e5046fcb3b323107c32

SHA1 hash:

f949dc85f9c52b27c3bfe981a5994f6c52aad675

Detections:

stealc

win_stealc_auto

win_stealc_a0

Link:

https://www.unpac.me/results/4e546438-23a1-40df-a2ee-8497b254499f/

Parent samples :

07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9
090e8d8376224c845817f5d635bb8e6021d33c2960cb6c12c7acfb913eee9093
ea2b0ed5a75cbd3f49b420e553629ac08ea8bd673d5cacc8c004511b84f03d83
04934437e59c31551119638b9d181bad27c3a5092fe409d0cdcc1769edafb825
ff7167a57007b5368518b03e82ae9110aa55ba9e947719308a416f3aecdc75e1
8783e60adc35c2fc9ea2675bf839e9d7529e78bda16794a7b0501ef13d40afa6

SH256 hash:

07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9

MD5 hash:

e63e2ae27716a6446d369cd079b7235b

SHA1 hash:

faa802e34c36ece2fb43d3f11dc0de52d85c2437

Link:

https://www.unpac.me/results/4e546438-23a1-40df-a2ee-8497b254499f/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/07b3c4a47ec2/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/07b3c4a47ec2b0e62681dd4de6866b809a82262c45360b24a19e47b2b17ed5c9

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:	Windows_Trojan_Smokeloader_3687686f Create hunting rule
Author:	Elastic Security

Rule name:	win_stealc_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.stealc.

Rule name:	win_stealc_bytecodes_oct_2023 Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Bytecodes present in Stealc decoding routine

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/