MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1. 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: 19

Intelligence 19 IOCs YARA 1 File information Comments

SHA256 hash:	77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1
SHA3-384 hash:	3c9c0bb679a0a8f948f78f5763e741b27e90290367432063e05585d397502bb370e9232f5c73c9f59b321eebade813f5
SHA1 hash:	0238f247425a84fb29320f58a82203fc3234f549
MD5 hash:	b23dd8def7283a2f1643143ea9bd133c
humanhash:	edward-rugby-rugby-asparagus
File name:	f7a24f5c0f.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	2'586'624 bytes
First seen:	2024-08-05 17:49:29 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5e5ac8ab7be27ac2d1c548e5589378b6 (11 x GuLoader, 6 x Stealc, 5 x RedLineStealer)
ssdeep	49152:TICiAYTwdK24dqIn9WQeEemeciI7Q1hn/XWkhYmxxkwityh4B:ECI/24tlemeDIEFYw6e
TLSH	T177C53372804B2940F0B6C97DC9671F86A2FA5EEDF9C0EE2120424CD95EE3E5413DB7A5
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):
dhash icon	92716d4cf4c4d4c4 (22 x Smoke Loader, 5 x Stealc, 1 x Tofsee)
Reporter	aachum
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

270

Origin country :

Vendor Threat Intelligence

Malware family:

amadey

ID:

File name:

herso.exe(vidar_stealc).zip

Verdict:

Malicious activity

Analysis date:

2024-08-05 16:26:52 UTC

Tags:

amadey botnet stealer loader stealc

Link:

https://app.any.run/tasks/539e8367-6ec0-4fe2-ba85-7052293ef469

Note:

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

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=66b110d2037b02d0daedc859

Tags:

Generic Infostealer Network Stealth Infector

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Running batch commands

Creating a process with a hidden window

Launching a process

Launching the default Windows debugger (dwwin.exe)

Connection attempt to an infection source

Sending an HTTP GET request to an infection source

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

enigma lolbin microsoft_visual_cc packed packed shell32

Link:

https://www.filescan.io/uploads/66b110cc2d2273a01ebe74b4/reports/bf68a4cd-1097-4fb9-aac0-7a77efade9f6/overview

Verdict:

Malicious

Labled as:

Strictor.Generic

Link:

https://www.hybrid-analysis.com/sample/77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

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/12b4503f-b31f-49dd-8b16-ab6ccc224a15

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1488274

Signature

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

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

Hides threads from debuggers

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

PE file has nameless sections

Sample uses string decryption to hide its real strings

Searches for specific processes (likely to inject)

Yara detected Powershell download and execute

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1/

Threat name:

Win32.Trojan.Strictor

Status:

Malicious

First seen:

2024-08-05 17:50:13 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

20 of 38 (52.63%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=o73p2xbcnbqtceafznx2dbb3cjlj3m56pxoajxr32suvgd5soliq._file

Verdict:

malicious

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default discovery stealer

Link:

https://tria.ge/reports/240805-weksgatcjj/

Behaviour

Suspicious use of SetWindowsHookEx

Program crash

System Location Discovery: System Language Discovery

Suspicious use of NtSetInformationThreadHideFromDebugger

Stealc

Malware Config

C2 Extraction:

http://185.215.113.24

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e35646e2-bbca-4676-82e5-e5a2f6d6f8a6

Unpacked files

SH256 hash:

d9798bda5b0cd389f0b0f184ded085cded77a8652d96be4054789452b2a04ca5

MD5 hash:

59eefb04a8cb9a94d148464cd4324e93

SHA1 hash:

e1e550383c9de11d18bb6cb5b8d83f62f51340bb

Detections:

stealc

Link:

https://www.unpac.me/results/2fb77a8c-961a-449f-86c6-c896b3ae3903/

Parent samples :

d9798bda5b0cd389f0b0f184ded085cded77a8652d96be4054789452b2a04ca5
22bfc2fcbca23aa128ce2e43580850b4dcfd249a0a3bc283a087a77ab8965f14
fd81bd2ceacb5605548f0bf2ba0b67da7829ebe3be375cab39154daf23709df2
aba594d71b6d51997b6476a46cc5f3622ff9e53030d400eb314183d39c7b7db1
c7ee09f97a93eeb8ce233644edc415c5c65354fa4483883e989660407beb2b64
050fb37cf518be26c451c3acb4f58cf7ee174871b80ae4fcd95644f3cc5c2003
fd8e76f548c435795d07be297d2b23bf979f104c0e05078829061ce20b15f5a4
77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

SH256 hash:

77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

MD5 hash:

b23dd8def7283a2f1643143ea9bd133c

SHA1 hash:

0238f247425a84fb29320f58a82203fc3234f549

Link:

https://www.unpac.me/results/2fb77a8c-961a-449f-86c6-c896b3ae3903/

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/77f6fd5c2268/report/overview.html

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

Threat name:

Stealc

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

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:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Stealc

exe 77f6fd5c226861311005cb6fa1843b12569db3be7ddc04de3bd4a9530fb272d1

(this sample)

Link

https://tria.ge/240805-v9lgtataqk

Dropped by

PrivateLoader

URLhaus

https://urlhaus.abuse.ch/url/3079150/

Delivery method

Distributed via web download

URLhaus

https://urlhaus.abuse.ch/url/3081249/

URLhaus

https://urlhaus.abuse.ch/url/3079215/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_PIE	Missing Position-Independent Executable (PIE) Protection	high

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

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