MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0. 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: 16


Intelligence 16 IOCs YARA 29 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0
SHA3-384 hash: ee66999e5ef14f60d23467d0fd4a8a80f4e7db541bec40a80e60124da0410a968e3cb8b5ea0cf6e8eccd1a89c3da5056
SHA1 hash: f77697ed1fcf0802b42d20cea7bbd553e84e4cc4
MD5 hash: 9290d651546193b2b3bfea5b1b51219c
humanhash: papa-alabama-uncle-winner
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:8'690'816 bytes
First seen:2025-12-27 02:24:54 UTC
Last seen:2026-01-11 16:52:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c7269d59926fa4252270f407e4dab043 (45 x Hive, 23 x ServHelper, 22 x CobaltStrike)
ssdeep 49152:gpilO1d7Q+sOz2zhj21Wna4Qp0OfwPlbh9NTscg87ht/w/+dUDiBYIxW3s1678gj:gpi0TxFxfwbEcJkkvJkl
TLSH T1B1963AD2FE441659D69BE23DD4B46196B230B844133819D7BFA407AE481BEC41B3FB2B
gimphash 112b99b6e66742cc9fc9fa6b6a95b84d20f6ec284df5f7110eff7416f052570d
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-gcleaner exe f signed Stealc TWO.file

Code Signing Certificate

Organisation:rock.com
Issuer:E8
Algorithm:sha256WithRSAEncryption
Valid from:2025-12-10T14:57:55Z
Valid to:2026-03-10T14:57:54Z
Serial number: 05cc7c6e476bfd5ab83852bbb2955b8e0fb3
Intelligence: 22 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 8d2e0fcc63b90b9913bbef803c8f502c2f5a7043a353ec10f6383fa58bf3058c
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: http://194.38.20.224/service

Intelligence

File Origin
# of uploads :
196
# of downloads :
220
Origin country :
US US
Vendor Threat Intelligence
Malware configuration found for:
Going Stealc
Details
Going
a sub-decoded component
Stealc
decrypted strings, an RC4 key, c2 url, and url paths
Link:
https://research.acce.ciphertechsolutions.com/results/662effcd-0d64-48c2-8194-f8256f1aad4c/
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-12-27 02:27:54 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/fc103d97-1331-4182-bacc-00c359ca2276

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Stealc
Create hunting rule
Link:
https://www.capesandbox.com/analysis/46205/
Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694f4393038f10550b56376f
Tags:
injection emotet obfusc crypt
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0
Verdict:
Malicious
File Type:
exe x64
First seen:
2025-12-26T15:43:00Z UTC
Last seen:
2025-12-28T22:19:00Z UTC
Hits:
~10
Detections:
Trojan-PSW.Lumma.HTTP.C&C Trojan-PSW.Win32.StealC.v2 Trojan-PSW.Win64.StealC.sb Trojan.Win32.Inject.sb Trojan.MSIL.Agent.sb HEUR:Trojan.Win64.Generic
Link:
https://opentip.kaspersky.com/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/db85098b-380d-4c03-81b5-c71047edd576
Score:
65%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/9290d651546193b2b3bfea5b1b51219c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0/
Verdict:
Malicious
Threat:
Family.STEALC
Link:
https://tip.neiki.dev/file/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0
Threat name:
Win64.Spyware.Stealc
Create hunting rule
Status:
Suspicious
First seen:
2025-12-27 02:25:23 UTC
File Type:
PE+ (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iatqaafo4537fycceemvx67vz3djjpioktprrf6lysyw6zamx7ya._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Stealc
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc botnet:sdggahwe discovery spyware stealer
Link:
https://tria.ge/reports/251227-cwgbtsxmgr/
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Stealc
Stealc family
Malware Config
C2 Extraction:
http://45.93.20.34
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9f5bbc8a-ec25-416f-8458-2b9146929e28
Unpacked files
SH256 hash:
40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0
MD5 hash:
9290d651546193b2b3bfea5b1b51219c
SHA1 hash:
f77697ed1fcf0802b42d20cea7bbd553e84e4cc4
Link:
https://www.unpac.me/results/81042588-324c-4703-9834-b02530bf0768/
Malware family:
Stealc.v2
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/40270000aee7/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/40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0

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:dependsonpythonailib
Create hunting rule
Author:Tim Brown
Description:Hunts for dependencies on Python AI libraries
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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
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:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
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:kevoreilly
Description:Stealc V2 Payload
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

File information

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

Web download

Stealc

Executable exe 40270000aee777f2e04221195bfbf5cec694bd0e54df1897cbc4b16f640cbff0

(this sample)

  
Dropped by
Gcleaner
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/46205/

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