MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025. 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: 12

Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash:	6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025
SHA3-384 hash:	a9b6cfeda2c5a99ccac4dc7cd980b7508aa8a5a2e04ff688f8c1015267de6689e3b8e2a0462d71f4cde350328e687386
SHA1 hash:	a62f5e42c2a959fd87a6c6d7f9458bd1404e198b
MD5 hash:	911eb26b0b0068c12d6f14cb4d2537c2
humanhash:	purple-bakerloo-nineteen-illinois
File name:	kals.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	634'880 bytes
First seen:	2026-11-01 11:36:51 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	a1fa2d08960884e06f2dc59bd5f7a43c (7 x Stealc)
ssdeep	6144:obQ73r/dI7LI+iix8/mRlR2InxCcMHSOX/revKmY+WCTNZil10lAJtxcGUvVocpA:obc7Mx8/ilR2IxCYo1T72vmcpXr
TLSH	T10CD47C16EBE502F9D17BC1B4CA829856EB77B855433065CB03E209675F3B6A05F3EB20
TrID	33.1% (.EXE) Win64 Executable (generic) (6522/11/2) 25.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 10.4% (.ICL) Windows Icons Library (generic) (2059/9) 10.3% (.EXE) OS/2 Executable (generic) (2029/13) 10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
Reporter	abuse_ch
Tags:	exe Stealc

Intelligence

File Origin

# of uploads :

# of downloads :

166

Origin country :

Vendor Threat Intelligence

No detections

Malware family:

n/a

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-20 21:11:45 UTC

Tags:

pdfwkrnl-sys vuln-driver loader stealc stealer

Link:

https://app.any.run/tasks/d66748df-6241-4800-b63a-3292a8680c95

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/96552/

Detection(s):

Win.Malware.Generickdz-10058619-0

YARA.CAPE_Stealcv2Datecheck.UNOFFICIAL

YARA.RUSSIANPANDA_Win_Mal_Chromium_App_Bound_Encryption_Decrypter.UNOFFICIAL

YARA.RUSSIANPANDA_Win_Mal_Stealc_V2.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ae72485b175ade21dcee59d

Tags:

shellcode trojan virus

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating synchronization primitives

Connection attempt

Sending a custom TCP request

Gathering data

Verdict:

Malicious

Labled as:

Yogi.Generic

Link:

https://www.hybrid-analysis.com/sample/6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-10-20T19:31:00Z UTC

Last seen:

2026-11-02T09:01:00Z UTC

Hits:

~100

Link:

https://opentip.kaspersky.com/6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025/results?tab=lookup

Verdict:

Unknown

Link:

https://analyze.intezer.com/analyses/d054552a-c4e7-4968-a805-4fcfe55ea6ec

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

92 / 100

Link:

https://www.joesandbox.com/analysis/1996124

Signature

Antivirus / Scanner detection for submitted sample

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Found malware configuration

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Yara detected Stealc

Yara detected Stealc v2

Behaviour

Behavior Graph:

Download SVG

Score:

98%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025

Verdict:

inconclusive

YARA:

4 match(es)

Tags:

Executable PDB Path PE (Portable Executable) PE File Layout Win 64 Exe x64

Link:

https://app.malva.re/file/911eb26b0b0068c12d6f14cb4d2537c2

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025/

Threat name:

Win64.Trojan.Stealc

Status:

Malicious

First seen:

2026-10-20 21:26:10 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

26 of 36 (72.22%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=myilk53bw75cz3rnj3jftnlbynpxzg4rpqbera5sfzjlyu3wcasq._file

Result

Malware family:

n/a

Score:

3/10

Tags:

discovery

Link:

https://tria.ge/reports/261101-nrb24ab13l/

Behaviour

Reads the TCP/IP host and domain name from the registry

Unpacked files

SH256 hash:

6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025

MD5 hash:

911eb26b0b0068c12d6f14cb4d2537c2

SHA1 hash:

a62f5e42c2a959fd87a6c6d7f9458bd1404e198b

Link:

https://www.unpac.me/results/bd2b5716-ec8a-4bdc-aa39-c7a879d2693f/

SH256 hash:

c4d37b20005b55afce3748337a35dfebc31dd8a06c808849a6c5e74e6b25d03b

MD5 hash:

e26ee32fefe1cfca2ec8bd0bfc7d4c71

SHA1 hash:

0ed361a7118ce2d755a34f368718593ea91eb2d0

Link:

https://www.unpac.me/results/bd2b5716-ec8a-4bdc-aa39-c7a879d2693f/

Malware family:

Stealc.v2

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6610b57761b7/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/6610b57761b7fa2cee2d4ed259b561c35f7c9b917c024883b22e52bc53761025

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	exploit_any_poppopret Create hunting rule
Author:	Jeff White [karttoon@gmail.com] @noottrak
Description:	Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	malware_shellcode_hash Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect shellcode api hash value

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	StealcV2DateCheck Create hunting rule
Author:	kevoreilly
Description:	StealcV2 date check bypass

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.