MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f40bfa84157a8d03b0322f6a1aa804de34b7045dff9ac89a08ba67cf1a7b5cd. 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 30 File information Comments

SHA256 hash: 3f40bfa84157a8d03b0322f6a1aa804de34b7045dff9ac89a08ba67cf1a7b5cd
SHA3-384 hash: 92d03cba91ecad7ac2817501ab47d29b5dde1d0665e82319b4c4b1b75b9d10a9b4ffa689f3ba6839ee17c6068ca1e8ee
SHA1 hash: cf0d4ed9ae5d59ca9dfe2c1d54c58bd141240b2f
MD5 hash: dac4b258670c90d5ae4e25a55154298b
humanhash: apart-colorado-north-three
File name:Setup.exe
Download: download sample
Signature Stealc
File size:2'046'080 bytes
First seen:2026-04-01 08:10:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d42595b695fc008ef2c56aabd8efd68e (235 x Vidar, 92 x Rhadamanthys, 89 x Stealc)
ssdeep 24576:4y0XZNtlJzlg6liJhBz5QGnUAPi4qclE4zhpevl1OAT3GRWdtVbXw8ZU:4y0pNtVg6liLBdQGni43H3UyIHrw5
TLSH T1F1959E0AACD1447AD436533649E25182BB32F8394B73B3E73E10AA383E7A7D09975B54
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 aachum
Tags:5-10-217-60 exe signed Stealc

Code Signing Certificate

Organisation:postman.com
Issuer:E7
Algorithm:sha256WithRSAEncryption
Valid from:2026-03-20T08:56:12Z
Valid to:2026-06-18T08:56:11Z
Serial number: 06bbd3a23ec82777e98d3190de57b2509371
Intelligence: 10 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 2c2083bf78d7942b5420b12fd17ecd79f8147a7c94848d4b9840f9f657c6db62
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
iamaachum
https://pixeldrain.com/u/8Mdd563Z

Stealc Build ID: ssssss10
Stealc C2: http://5.10.217.60/c14fbedecd404e0eba6c.php

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
Origin country :
ES ES
Vendor Threat Intelligence
Gathering data
Malware family:
n/a
ID:
1
File name:
Setup.exe
Verdict:
Malicious activity
Analysis date:
2026-04-01 08:02:53 UTC
Tags:
stealc stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Verdict:
Malicious
Score:
99.9%
Tags:
injection cobalt obfusc crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Result
Gathering data
Verdict:
Clean
File Type:
PE
First seen:
2026-04-01T04:36:00Z UTC
Last seen:
2026-04-01T04:36:00Z UTC
Hits:
~10
Result
Threat name:
LummaC Stealer, Stealc v2
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Detected unpacking (creates a PE file in dynamic memory)
Early bird code injection technique detected
Found API chain indicative of debugger detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
Potentially malicious time measurement code found
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
Suricata IDS alerts for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected LummaC Stealer
Yara detected Stealc v2
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1891916 Sample: Setup.exe Startdate: 01/04/2026 Architecture: WINDOWS Score: 100 26 centegn.cyou 2->26 34 Suricata IDS alerts for network traffic 2->34 36 Found malware configuration 2->36 38 Antivirus detection for URL or domain 2->38 40 7 other signatures 2->40 7 Setup.exe 22 2->7         started        signatures3 process4 dnsIp5 28 5.10.217.60, 49693, 80 PLUSNETDE Germany 7->28 30 144.31.191.28, 49701, 80 UAMS-ASNUS United States 7->30 22 C:\Users\user\AppData\...cjHXP34G7rM.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\...\nlGrBTuZ[1].exe, PE32 7->24 dropped 42 Detected unpacking (creates a PE file in dynamic memory) 7->42 44 Early bird code injection technique detected 7->44 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 7->46 48 13 other signatures 7->48 12 EcjHXP34G7rM.exe 7->12         started        16 msedge.exe 7->16         started        18 msedge.exe 7->18         started        20 2 other processes 7->20 file6 signatures7 process8 dnsIp9 32 centegn.cyou 37.77.150.150, 49702, 80 OBIT-KZ-ASObitTelecommunicationsKazakhstannetworkRU Russian Federation 12->32 50 Detected unpacking (creates a PE file in dynamic memory) 12->50 52 Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners) 12->52 54 Unusual module load detection (module proxying) 12->54 signatures10
Gathering data
Threat name:
Win64.Malware.Generic
Status:
Suspicious
First seen:
2026-04-01 08:02:57 UTC
File Type:
PE+ (Exe)
AV detection:
1 of 36 (2.78%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
Similar samples:
Result
Malware family:
Score:
  10/10
Tags:
family:stealc botnet:ssssss10 stealer
Behaviour
Detects Stealc stealer Version 2
Stealc
Stealc family
Malware Config
C2 Extraction:
http://5.10.217.60
Unpacked files
SH256 hash:
3f40bfa84157a8d03b0322f6a1aa804de34b7045dff9ac89a08ba67cf1a7b5cd
MD5 hash:
dac4b258670c90d5ae4e25a55154298b
SHA1 hash:
cf0d4ed9ae5d59ca9dfe2c1d54c58bd141240b2f
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Rule name:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Heuristics_ChromeABE
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:StealcV2
Author:Still
Description:attempts to match the instructions found in StealcV2
Rule name:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:TH_AntiVM_MassHunt_Win_Malware_2026_CYFARE
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
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:Windows_Trojan_Stealc_41db1d4d
Author:Elastic Security
Rule name:win_stealc_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.

File information


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

Web download

Stealc

Executable exe 3f40bfa84157a8d03b0322f6a1aa804de34b7045dff9ac89a08ba67cf1a7b5cd

(this sample)

  
Delivery method
Distributed via web download

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