MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100
SHA3-384 hash: 3d8f90ff09f3b1a6df3baee15d4f9e43d45dbd8a2e581b9465e408357617665330b3793635d0daec83a6cfda4172d3b0
SHA1 hash: 2b226d333d5383f4e48293bf3cf9d2f0961807da
MD5 hash: 88e3f0ff0622046663deacf8f1421b94
humanhash: victor-diet-colorado-leopard
File name:file
Download: download sample
Signature Stealc
Create hunting rule
File size:297'472 bytes
First seen:2023-08-01 16:44:28 UTC
Last seen:2023-08-01 17:40:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 01973b75f57e8667f1f1e9ca8cf396f9 (2 x RedLineStealer, 1 x Smoke Loader, 1 x Tofsee)
ssdeep 6144:S7a5icyyHCLlTibhvVjNGd867mzAoGkvmQ:ml3yiBTibhvyp7OG7Q
TLSH T1E2549E02AE89E872E41645318D2AC2F5652EF871AF455AC377847F2FA8713E3DB72341
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 000860a18a8a2810 (1 x Stealc)
Reporter andretavare5
Tags:exe Stealc


Avatar
andretavare5
Sample downloaded from http://reinroot.top/calc2.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
314
Origin country :
US US
Vendor Threat Intelligence
Malware family:
oski
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-08-01 16:46:17 UTC
Tags:
stealc stealer oski lumma loader
Link:
https://app.any.run/tasks/ded8008c-70ea-4e32-9797-dff1832b6be2

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/439653/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed xpack
Link:
https://www.filescan.io/uploads/64c9368fe64bd705397f4b86/reports/3866cba0-da36-4ea2-a87f-e8f4f6de532d/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100
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:
Oski Stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b7cb9e2-705e-4871-ab45-81dce2dcf777
Result
Threat name:
Stealc, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1283891
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 domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
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
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-01 16:45:06 UTC
File Type:
PE (Exe)
Extracted files:
31
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7iix64cbi2ciuvmcawgjbjmrzgkntyjowuusuhv4qr63ffd2meaa._file
Result
Malware family:
stealc
Create hunting rule
Score:
  10/10
Tags:
family:stealc spyware stealer
Link:
https://tria.ge/reports/230801-t9dljahg45/
Behaviour
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
Deletes itself
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Stealc
Malware Config
C2 Extraction:
http://adriaenclaeys.top/e9c345fc99a4e67e.php
Unpacked files
SH256 hash:
a67ebefdcae4ba5d76bce770a4920256e84195bef3a4702d967be7e5b8181c12
MD5 hash:
7055fcde2b7f39ef7f8007b3bfc1a0bf
SHA1 hash:
676adecade4e2b6c3275ca39ac65059c1863509f
Link:
https://www.unpac.me/results/0734df98-07c4-48c4-827b-5e29e8aa781a/
SH256 hash:
fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100
MD5 hash:
88e3f0ff0622046663deacf8f1421b94
SHA1 hash:
2b226d333d5383f4e48293bf3cf9d2f0961807da
Link:
https://www.unpac.me/results/0734df98-07c4-48c4-827b-5e29e8aa781a/
Malware family:
Stealc
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fa117f704146/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/fa117f704146848a5582058c90a591c994d9e12eb5292a1ebc847db2947a6100

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:detect_Mars_Stealer
Create hunting rule
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Create hunting rule
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:sus_pe_free_without_allocation
Create hunting rule
Author:Maxime THIEBAUT (@0xThiebaut)
Description:Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:yara_template
Create hunting rule

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2690247/
Cape
Cape
https://www.capesandbox.com/analysis/439653/

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