MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894
SHA3-384 hash: 95e3674fe55f441cd0f5a6853b22ebf6ca8616a22bc42b311d61e188a562ec13a81c635349317c745daf2474641d6015
SHA1 hash: 159d098c82a2308cfdf9a22259131f53f545f8d9
MD5 hash: f4ad5ffa0f38dd9a01da4790a5bb2f45
humanhash: solar-leopard-nineteen-high
File name:f4ad5ffa0f38dd9a01da4790a5bb2f45.exe
Download: download sample
Signature Stealc
Create hunting rule
File size:280'064 bytes
First seen:2023-05-31 08:19:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9514ea1f6b76796d84439e43008aa7f1 (3 x Smoke Loader, 1 x LummaStealer, 1 x Rhadamanthys)
ssdeep 3072:rX8lUoQLHhTizqlEc0UVDLqDFG6rC8A3MnxjVFcAtG5Jv1DATPGa5M6:b8lUoQlq6Ec0uqD9eEnPXoCGa5
Threatray 16 similar samples on MalwareBazaar
TLSH T1D854F81382E37D44E927CB769E2ED6F8771EB6508E993769122AAB1F04B00B3D173711
TrID 39.5% (.EXE) InstallShield setup (43053/19/16)
28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
9.6% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 22030226070a0600 (1 x Stealc)
Reporter abuse_ch
Tags:exe Stealc

Intelligence

File Origin
# of uploads :
1
# of downloads :
227
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f4ad5ffa0f38dd9a01da4790a5bb2f45.exe
Verdict:
Malicious activity
Analysis date:
2023-05-31 08:23:12 UTC
Tags:
installer
Link:
https://app.any.run/tasks/6b78f287-1d8c-47a8-879f-319852c9b20a

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/393987/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
Link:
https://www.filescan.io/uploads/64770335c55e8c7f610476a4/reports/291b292c-6a98-4260-af8d-6d18a819a8b7/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fbc7a59f-7bac-4ae7-9fc2-ebca37410dac
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1245915
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894/
Threat name:
Win32.Ransomware.StopCrypt
Create hunting rule
Status:
Malicious
First seen:
2023-05-30 08:28:27 UTC
File Type:
PE (Exe)
Extracted files:
52
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pmvm6tsqivofpt6v5rreyfsv4pfeyx6e7sx62p7s74xe7v22fcka._file
Verdict:
malicious
Similar samples:
24089814a99edccddb1a0b87184bb27b1838fb78c91becfb5735b2f187c48f6c
Stealc
34d81fa01e7570ee734e04e8d2be5c2d54c3a343ad3340b26105627b6124a2db
Stealc
3e1e3a8cf5efe616591c7b6b91265b3adf8b9bc594ec7ea9a06e7d20cde4a2ca
Stealc
5da7c2a4b3b0cb14cccd91ab7d3495945204eb705664dc764a54f23717e87b6b
Stealc
76879ab7212540d378168b2564b9f37db4537b50f6dc369c26b647e85c444c57
Stealc
7fda535e57d4fb87f4bfb17ed6305f1c9992c0c44341729a5b19c0eafb7e48d9
Stealc
8cd748b1cc76a501254b9b130c4193efc7882493b750a5ee07a50b2443b6383c
Stealc
bfdfda675bfc0d09a0ae2ab2fba41f9cad1599a1a31f0d38f7728675c6a1f20d
Stealc
cb7f4e286a4a8fdfa525168591131d37019090d94040feb13c8078c4a7ae4b37
Stealc
f5915d3efdd31d03fdcd84c9ea109232417c4861996a3e6eda16c7156fb59042
Stealc
+ 6 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Link:
https://tria.ge/reports/230531-j8fpdseb8x/
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks computer location settings
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
342fd2364754f2b4384f6a062db55086dbc078ecaa3b9372d1b2b1acbe23cbf7
MD5 hash:
e9ace1656be682011f68b4683ea12eba
SHA1 hash:
474a3fe00e6106f75392e54f8411b629f5f372e8
Detections:
win_stealc_w0
Create hunting rule
win_stealc_auto
Create hunting rule
win_stealc_a0
Create hunting rule
Link:
https://www.unpac.me/results/de79da45-7ad9-4f0e-8bea-9aaa6d62e443/
Parent samples :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 hash:
7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894
MD5 hash:
f4ad5ffa0f38dd9a01da4790a5bb2f45
SHA1 hash:
159d098c82a2308cfdf9a22259131f53f545f8d9
Link:
https://www.unpac.me/results/de79da45-7ad9-4f0e-8bea-9aaa6d62e443/
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/7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894

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:infostealer_win_stealc_standalone
Create hunting rule
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:win_stealc_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stealc.
Rule name:win_stealc_w0
Create hunting rule
Author:crep1x
Description:Find standalone Stealc sample based on decryption routine or characteristic strings
Reference:https://blog.sekoia.io/stealc-a-copycat-of-vidar-and-raccoon-infostealers-gaining-in-popularity-part-1/

File information

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

Web download

Stealc

Executable exe 7b2acf4e50455c57cfd5ec624c1655e3ca4c5fc4fcafed3ff2ff2e4fd75a2894

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2641260/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2645395/
Cape
Cape
https://www.capesandbox.com/analysis/393987/

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