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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82b1f5a2bd180d109c64318621db8be78f66bde0e761f8f63d5569fb589df6de. 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: 15


Intelligence 15 IOCs YARA 31 File information Comments

SHA256 hash: 82b1f5a2bd180d109c64318621db8be78f66bde0e761f8f63d5569fb589df6de
SHA3-384 hash: 969d0c2b6dd430635b437a6da2c07a6f8a8e401400903e073b298b2d5a042c846288fcadc7a6794c1888235f9829db6a
SHA1 hash: 7f559ea578b9de69b73fd15e814ecae09913a0d0
MD5 hash: c4198bc09de928444fe631c261532235
humanhash: tennis-tango-eighteen-blossom
File name:c4198bc09de928444fe631c261532235.exe
Download: download sample
Signature Stealc
File size:2'198'224 bytes
First seen:2026-03-26 07:52:19 UTC
Last seen:2026-03-26 15:42:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 5af915f278815e76bad476ef32593028 (15 x ACRStealer, 13 x LummaStealer, 4 x Fuery)
ssdeep 24576:1JuOHWKR524Z8GYePLH7F6wWt9YoPwvbtmk8J9MBgrh5twv/LxLRiwZm+7xblETY:1VwPMwqtmk8JSCh5tezniwblblaB1I
Threatray 166 similar samples on MalwareBazaar
TLSH T159A56C01FEC715B1E40B5B365AEB23AB233998098F769B8BDB007A79FD725D40836345
TrID 48.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.1% (.EXE) Win64 Executable (generic) (6522/11/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe signed Stealc

Code Signing Certificate

Organisation:*.ss.com
Issuer:Sectigo Public Server Authentication CA DV R36
Algorithm:sha256WithRSAEncryption
Valid from:2025-07-20T00:00:00Z
Valid to:2026-07-21T23:59:59Z
Serial number: 187d88f8089414ab4e78adab80915842
Intelligence: 12 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 3a098cb15647e2a275eeefbe5d5723e4c71c43bc18d670f89beaacfc611a0445
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
8
# of downloads :
197
Origin country :
FR FR
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
c4198bc09de928444fe631c261532235.exe
Verdict:
Malicious activity
Analysis date:
2026-03-26 07:55:10 UTC
Tags:
stealer stealc golang

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

Behaviour
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-03-25T20:50:00Z UTC
Last seen:
2026-03-28T05:25:00Z UTC
Hits:
~10
Detections:
Trojan.Win64.Agent.sb Trojan-PSW.Win64.StealC.sb Trojan-PSW.Win64.StealC.kt
Result
Threat name:
Stealc v2
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Detected unpacking (creates a PE file in dynamic memory)
Found direct / indirect Syscall (likely to bypass EDR)
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
Sample uses string decryption to hide its real strings
Switches to a custom stack to bypass stack traces
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
Unusual module load detection (module proxying)
Writes to foreign memory regions
Yara detected Stealc v2
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.Kepavll
Status:
Malicious
First seen:
2026-03-26 01:01:36 UTC
File Type:
PE (Exe)
AV detection:
18 of 37 (48.65%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Detects Stealc stealer Version 2
Stealc
Stealc family
Unpacked files
SH256 hash:
82b1f5a2bd180d109c64318621db8be78f66bde0e761f8f63d5569fb589df6de
MD5 hash:
c4198bc09de928444fe631c261532235
SHA1 hash:
7f559ea578b9de69b73fd15e814ecae09913a0d0
Malware family:
Stealc.v2
Verdict:
Malicious
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:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
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_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:kevoreilly
Description:Stealc V2 Payload
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.

Comments