MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7. 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 33 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7
SHA3-384 hash: 197b3427ec8b1ddf349f3cc92a2b3abf37bf57598468c8a71236049516614baea8b652053feb7c417199ceb85a872be9
SHA1 hash: e28ad4bd201c3e07e668a9af90b666d15525faa1
MD5 hash: 50e60f8a76f1fb5a12d660ad90784ac1
humanhash: seventeen-muppet-xray-venus
File name:mpclient.dll
Download: download sample
Signature Stealc
Create hunting rule
File size:5'544'520 bytes
First seen:2026-05-05 11:07:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d8b31f8c03e0c76ff245ed05a15ffe6c (99 x Vidar, 15 x RemusStealer, 4 x Stealc)
ssdeep 98304:Uim0dkcCKYZbXiPQ4Knoc7m7ngXGqAF75BX5+CJQadNse:UP0dkcCfZjiPJcrXGqAF75BXddr
TLSH T18446E0067CA048BDD05A773188F76695B73CB808073627D32AA16E7A3E77BD05D7A306
TrID 40.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.0% (.EXE) Win64 Executable (generic) (6522/11/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter burger
Tags:exe signed Stealc

Code Signing Certificate

Organisation:step.com
Issuer:WR3
Algorithm:sha256WithRSAEncryption
Valid from:2026-05-01T21:20:00Z
Valid to:2026-07-30T22:13:54Z
Serial number: 430dd4642910811212aedde5fcd452a5
Intelligence: 5 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 7028db3950f33ce93b95d15fd8d863f7a1c85a993799401241b4ab788792de4a
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
179
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
mpclient.dll
Verdict:
No threats detected
Analysis date:
2026-05-05 11:05:51 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/484cc73f-5ffe-4ef4-ac9b-6bd0cc0a683c

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/64557/
Gathering data
Result
Verdict:
Clean
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug anti-vm crypt golang masquerade mingw overlay packed signed
Link:
https://www.filescan.io/uploads/69f9cfab2fcb905ec27ff45b/reports/d2ec9764-03b3-4624-94d4-59714360b085/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7
Verdict:
Malicious
File Type:
dll x64
First seen:
2026-05-05T08:48:00Z UTC
Last seen:
2026-05-07T05:28:00Z UTC
Hits:
~10
Detections:
Backdoor.Win64.Gsb.gen Backdoor.Win64.Gsb.sb Trojan.Win64.DllHijack.sb Trojan.Win64.Agent.sb Trojan-PSW.Win64.StealC.sb HEUR:Trojan.Win64.DLLhijack.gen
Link:
https://opentip.kaspersky.com/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/dab9b845-2a5e-44e2-85dd-2a723e8840c8
Result
Threat name:
Stealc v2
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1908653
Signature
AI detected suspicious PE digital signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found API chain indicative of debugger detection
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sample uses string decryption to hide its real strings
System process connects to network (likely due to code injection or exploit)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes to foreign memory regions
Yara detected Stealc v2
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1908653 Sample: mpclient.dll.exe Startdate: 05/05/2026 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected Stealc v2 2->76 78 3 other signatures 2->78 10 loaddll64.exe 1 2->10         started        process3 process4 12 rundll32.exe 21 10->12         started        17 cmd.exe 1 10->17         started        19 rundll32.exe 10->19         started        21 15 other processes 10->21 dnsIp5 64 2.26.123.18, 49693, 49709, 49710 EELtdGB United Kingdom 12->64 62 C:\Users\user\AppData\Local\Temp\ZtHuS.exe, PE32 12->62 dropped 82 System process connects to network (likely due to code injection or exploit) 12->82 84 Found many strings related to Crypto-Wallets (likely being stolen) 12->84 86 Found API chain indicative of debugger detection 12->86 88 7 other signatures 12->88 23 ZtHuS.exe 12 31 12->23         started        26 chrome.exe 12->26         started        28 chrome.exe 12->28         started        30 chrome.exe 12->30         started        32 rundll32.exe 17->32         started        file6 signatures7 process8 file9 54 C:\Users\user\...\nsis_tauri_utils.dll, PE32 23->54 dropped 56 C:\Users\user\AppData\Local\...\nsDialogs.dll, PE32 23->56 dropped 58 C:\Users\user\AppData\Local\...\System.dll, PE32 23->58 dropped 60 2 other files (none is malicious) 23->60 dropped 34 nexis-loader.exe 23->34         started        36 WerFault.exe 2 26->36         started        38 WerFault.exe 28->38         started        40 WerFault.exe 30->40         started        process10 process11 42 msedgewebview2.exe 34->42         started        signatures12 80 Found strings related to Crypto-Mining 42->80 45 msedgewebview2.exe 42->45         started        48 msedgewebview2.exe 42->48         started        50 msedgewebview2.exe 42->50         started        52 2 other processes 42->52 process13 dnsIp14 66 ln-0007.ln-msedge.net 150.171.22.17, 443, 49699 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 45->66 68 150.171.28.11, 443, 49712, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 45->68 70 3 other IPs or domains 45->70
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/50e60f8a76f1fb5a12d660ad90784ac1
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7
Threat name:
Win64.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2026-05-05 11:07:30 UTC
File Type:
PE+ (Dll)
Extracted files:
10
AV detection:
10 of 24 (41.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wvb4uxc45b4w5v6v253skoi3gaprcdi5ijgrd632bhqnu4p2z3tq._file
Verdict:
suspicious
Label(s):
dragonbreath_backdoor
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:cheremshav1 discovery spyware stealer
Link:
https://tria.ge/reports/260505-m8r9zahv5n/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Badlisted process makes network request
Detects Stealc stealer Version 2
Family: Stealc
Malware Config
C2 Extraction:
http://2.26.123.18
Unpacked files
SH256 hash:
b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7
MD5 hash:
50e60f8a76f1fb5a12d660ad90784ac1
SHA1 hash:
e28ad4bd201c3e07e668a9af90b666d15525faa1
Link:
https://www.unpac.me/results/40a74558-bf47-4798-a591-538aa49de5d3/
SH256 hash:
79644062a1b5ed4e6c5f9485e4a210da5d2d1e2d23a09bda70430505e7c030fb
MD5 hash:
26ba0c9221977bab3ee9d140c7055cce
SHA1 hash:
b8ed9356e4c1de7935abeeee230e4dbf5cc93865
Link:
https://www.unpac.me/results/40a74558-bf47-4798-a591-538aa49de5d3/
Malware family:
Stealc.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b543ca5c5ce8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.29
Link:
https://yomi.yoroi.company/submissions/b543ca5c5ce8796ed7d5d77725391b301f110d1d424d11fb7a09e0da71facee7

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:command_and_control
Create hunting rule
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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Heuristics_ChromeABE
Create hunting rule
Author:Still
Description:attempts to match instructions related to Chrome App-bound Encryption elevation service; possibly spotted amongst infostealers
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:StealcV2
Create hunting rule
Author:Still
Description:attempts to match the instructions found in StealcV2
Rule name:Suspicious_Golang_Binary
Create hunting rule
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:Windows_Trojan_Stealc_41db1d4d
Create hunting rule
Author:Elastic Security
Rule name:win_mal_StealC_v2
Create hunting rule
Author:AlexMM
Description:Detects StealC v2
Rule name:win_stealc_auto
Create hunting rule
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.

anyrun
any.run
https://app.any.run/tasks/6a32bde9-804c-4562-8571-2510bba7ad1a
Cape
Cape
https://www.capesandbox.com/analysis/64557/

Comments