MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f. 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: 9


Intelligence 9 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f
SHA3-384 hash: ed8c8387e39202fa6527183b04bb6e6bf1a220895095e21c384e9aaf27de988019e6e63e1e7f251a1ce2613d9744b71a
SHA1 hash: 6982d0b2e87c5f689f9f01c2b754708c95a639f7
MD5 hash: 3b160825af619ca588ff5b6f42a7e5c5
humanhash: lake-vermont-october-finch
File name:Fv6kVbJ.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:2'116'608 bytes
First seen:2025-06-27 20:52:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 74fea8d9720dbfeca2a3ee9f97393036 (13 x LummaStealer, 2 x Stealc, 2 x XWorm)
ssdeep 49152:t54qWlmAAD33j/fDXwzKd86D33j/fDXwzKd8:TAlmbrn6+frn6+
TLSH T11FA5022AD15272EAFD66407545A12164F922BA23CA342FFF8394E3331E0F7D06F2A755
TrID 63.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.2% (.EXE) OS/2 Executable (generic) (2029/13)
12.0% (.EXE) Generic Win/DOS Executable (2002/3)
12.0% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter skocherhan
Tags:185-156-72-2 exe Stealc


Avatar
skocherhan
http://185.156.72.2/files/5296057416/Fv6kVbJ.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
484
Origin country :
GR GR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rl_c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f
Verdict:
Malicious activity
Analysis date:
2025-06-27 20:54:22 UTC
Tags:
stealc stealer
Link:
https://app.any.run/tasks/074beb6f-f5d3-4272-81da-6e27b03042ea

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/11397/
Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685f04900fceda814b468eda
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a window
Сreating synchronization primitives
Connection attempt
Sending an HTTP POST request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context entropy fingerprint microsoft_visual_cc packed packed packer_detected
Link:
https://www.filescan.io/uploads/685f048cd1f1eb5d81c9092d/reports/6eec303b-7ba7-4500-af29-d9bf3b1aa63b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/4d56e7d5-06ed-4aa3-98a9-6e21b462564a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 64 Exe x64
Link:
https://app.malva.re/file/3b160825af619ca588ff5b6f42a7e5c5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f/
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-27 20:52:28 UTC
File Type:
PE+ (Exe)
Extracted files:
1
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yo3shcplumdola4bwstcxtq5atqqofte3qxmcbxanzm2gl5u4vhq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://tria.ge/reports/250627-znymgaeq9w/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f6fa2c8e-597b-40bf-9737-34bfde9df251
Unpacked files
SH256 hash:
c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f
MD5 hash:
3b160825af619ca588ff5b6f42a7e5c5
SHA1 hash:
6982d0b2e87c5f689f9f01c2b754708c95a639f7
Link:
https://www.unpac.me/results/7279b83e-1f59-4bd0-9526-e13c7fc18241/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c3b72389eba3/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/c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f

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:aachum_Stealcv2
Create hunting rule
Author:aachum
Description:Detects new version of Stealc.
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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: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:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:StealcV2
Create hunting rule
Author:Still
Description:attempts to match the instructions found in StealcV2
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Web download

Stealc

Executable exe c3b72389eba306e58381b4a62bce1d04e1071664dc2ec106e06e59a32fb4e54f

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/11397/
  
URLhaus
https://urlhaus.abuse.ch/url/3570092/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::CreateWindowExA

Comments