MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d. 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: 18

Intelligence 18 IOCs 1 YARA 15 File information Comments

SHA256 hash:	621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d
SHA3-384 hash:	1c27429dbf5f59dc682608e50aaca325734b05b15355a25ce32f75b68ce6e45344e35dfc37883d8ba3ba9a6261c1c388
SHA1 hash:	f2b131d5c0997a1b0228a1fce71fd17913563a3e
MD5 hash:	737575403e3c814c20f318bc359b5450
humanhash:	spring-wyoming-quebec-spring
File name:	x621e48effd3bea252f5a21019527a7babfdd475b8ae9.exe
Download:	download sample
Signature	Stealc Create hunting rule
File size:	525'312 bytes
First seen:	2026-03-24 09:11:03 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	5aefb555da349593a2c4f6f3ef54f8a7 (12 x Smoke Loader, 9 x LaplasClipper, 8 x RedLineStealer)
ssdeep	6144:xqV6dTLbrTsnTw49MMcnbuD5oHX2cDzT4jp48WNTx:xqV6dTfrTsTn9Lla99x
Threatray	341 similar samples on MalwareBazaar
TLSH	T1EFB45B21B3D59868E57602341F75E1E0EB3779676A18D86D358C230E1FB26924B33B3B
TrID	50.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.5% (.EXE) Win64 Executable (generic) (6522/11/2) 8.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.2% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
dhash icon	916a6a6a6a6a6a64 (28 x Smoke Loader, 25 x RedLineStealer, 9 x Tofsee)
Reporter	abuse_ch
Tags:	exe Stealc

abuse_ch

Stealc C2:
http://777palm.com/bef7fb05c9ef6540.php

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
http://777palm.com/bef7fb05c9ef6540.php	https://threatfox.abuse.ch/ioc/1081612/

Intelligence

File Origin

# of uploads :

# of downloads :

123

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

AceCryptor Stealc

Details

AceCryptor

an extracted payload

AceCryptor

an extracted shellcode loader component and the ms_c_rand-XOR seed

AceCryptor

an extracted shellcode loader component and a TEA decryption key

Stealc

decrypted strings, an RC4 key, c2 url, url paths, and possibly a missionid and a separate network RC4 key

Link:

https://research.acce.ciphertechsolutions.com/results/7358fcc3-3d04-407a-8538-1fdde20afa1d/

Malware family:

n/a

ID:

File name:

x621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d.exe

Verdict:

Malicious activity

Analysis date:

2026-03-23 21:56:49 UTC

Tags:

stealc stealer

Link:

https://app.any.run/tasks/9e72912e-8fef-4a40-94bf-149de6d18573

Note:

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

Gathering data

Detection(s):

Win.Packed.Trojanx-9987262-0

Verdict:

Malicious

Score:

95.7%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c1b721aacb4c376b133a37

Tags:

injection virus krypt mint

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Connection attempt

Launching the default Windows debugger (dwwin.exe)

Gathering data

Verdict:

Malicious

Labled as:

Mint.Zard.Generic

Link:

https://www.hybrid-analysis.com/sample/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

Verdict:

Malicious

File Type:

exe x32

Detections:

Trojan.Win32.Zenpak.sb Trojan.Win32.Yakes.sb Trojan.Win32.Strab.sb Trojan.Win32.Chapak.sb HEUR:Trojan.Win32.Zenpak.gen Trojan-PSW.Win32.Stealerc.sb

Link:

https://opentip.kaspersky.com/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d/results?tab=lookup

Malware family:

Stealc

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8d4fc07f-f886-4ee0-8584-751ef026fc20

Result

Threat name:

Stealc

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1888100

Signature

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

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Unusual module load detection (module proxying)

Yara detected Stealc

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d/

Verdict:

Malicious

Threat:

Family.STEALC

Link:

https://tip.neiki.dev/file/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

Threat name:

Win32.Trojan.MintZard

Status:

Malicious

First seen:

2026-03-14 19:58:03 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=miper375hpvckl22eeazkj5hxk752r23rluzeowxxlg3zcpz6ngq._file

Verdict:

malicious

Label(s):

shellcode_loader_002

stealc

Result

Malware family:

stealc

Score:

10/10

Tags:

family:stealc botnet:default discovery stealer

Link:

https://tria.ge/reports/260324-k5xdeagy2k/

Behaviour

Program crash

System Location Discovery: System Language Discovery

Detects Stealc stealer

Stealc

Stealc family

Malware Config

C2 Extraction:

http://777palm.om

Unpacked files

SH256 hash:

621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

MD5 hash:

737575403e3c814c20f318bc359b5450

SHA1 hash:

f2b131d5c0997a1b0228a1fce71fd17913563a3e

Link:

https://www.unpac.me/results/65e4712e-e8f9-467b-9280-27e5328ba165/

SH256 hash:

b4bd180c14d6869f3cf5601d9d8540a2ac6e20bef4a9c68b8499a6c1770ed828

MD5 hash:

654c8fd62b651a4e3dfb7d351e293a24

SHA1 hash:

ea605bd371906c0d931527ce5a4926b4e3d4fdb5

Detections:

win_stealc_w0

win_stealc_auto

win_stealc_a0

Win32_Infostealer_StealC

Link:

https://www.unpac.me/results/65e4712e-e8f9-467b-9280-27e5328ba165/

Parent samples :

5e4360008d4cdd40ede1d19a565cf754598425d03c56cdfdeff248736600d014
621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

Malware family:

Stealc

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/621e48effd3b/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/621e48effd3bea252f5a21019527a7babfdd475b8ae9923ad7bacdbc89f9f34d

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:	Detect_all_IPv6_variants Create hunting rule
Author:	Bierchermuesli
Description:	Generic IPv6 catcher

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

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:	malware_Stealc_str Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	Stealc infostealer

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	Stealc Create hunting rule
Author:	kevoreilly
Description:	Stealc Payload

Rule name:	Suspicious_Process Create hunting rule
Author:	Security Research Team
Description:	Suspicious process creation

Rule name:	TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Detects Windows malware employing anti-VM / anti-sandbox evasion techniques across VMware, VirtualBox, Hyper-V, QEMU, Xen, and generic sandbox environments
Reference:	https://cyfare.net/

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.

Rule name:	Win32_Infostealer_StealC Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects StealC infostealer.

Rule name:	Windows_Trojan_Generic_2993e5a5 Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Trojan_Vidar_c374cd85 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_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/

File information

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

Cape

https://www.capesandbox.com/analysis/58939/

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