MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f639530345c52597fc8d4f6ccc98b71f03088a0c330a7df97cf4e3099da918b1. 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: 15
| SHA256 hash: | f639530345c52597fc8d4f6ccc98b71f03088a0c330a7df97cf4e3099da918b1 |
|---|---|
| SHA3-384 hash: | 80e3333fe1ae4aadf18d022577e07c3bb795c5cad9bfac7cbe8f2a9e71e9468610f0709f7d13f8874494e52487177c9c |
| SHA1 hash: | b9e2b80ceac51ac75121605deaa43777dad688f8 |
| MD5 hash: | 8af3ec4b29900ba45e8396e75723910d |
| humanhash: | pasta-pennsylvania-december-zulu |
| File name: | 8af3ec4b29900ba45e8396e75723910d.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 265'216 bytes |
| First seen: | 2023-03-27 05:50:58 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 21829bcb83e2224c2104cf7cefe96c53 (8 x RedLineStealer, 2 x CoinMiner, 2 x Smoke Loader) |
| ssdeep | 3072:yT5/jenm+QDALP5ayFeBbBGpeWIQIkAB9quZcedzIQw94wf2cuQs5xbBFzwRn:yF1DALAyWbEIlki9quZc0zIQO9urNd |
| Threatray | 582 similar samples on MalwareBazaar |
| TLSH | T1D944D02276C1E872D89A41394865C7F47D7ABC729B5886CB77842B3E1E303D29F3534A |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 009282b09cc07080 (1 x Stealc) |
| Reporter |  abuse_ch |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
1
# of downloads :
271
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8af3ec4b29900ba45e8396e75723910d.exe
Verdict:
Malicious activity
Analysis date:
2023-03-27 05:51:48 UTC
Tags:
loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Vidar
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Changing a file
Creating a file in the %AppData% subdirectories
Creating a window
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Stealing user critical data
Result
Malware family:
n/a
Score:
9/10
Tags:
n/a
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Result
Verdict:
UNKNOWN
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
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
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 many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
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
Tries to steal Mail credentials (via file / registry access)
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.CrypterX
Status:
Malicious
First seen:
2023-03-27 05:51:06 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
12 of 24 (50.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 572 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc discovery spyware stealer
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
Detects Stealc stealer
Stealc
Malware Config
C2 Extraction:
http://joscramp.top/410b5129171f10ea.php
Unpacked files
SH256 hash:
a9200cfb3565dabeee166a35586b5edd13cc491ed670a71f9e8c1300b563c178
MD5 hash:
bb6d0cfa9f73349ee6fde707cbba6084
SHA1 hash:
f64d83af428552031462819894c7eca94c89dbda
Detections:
stealc
Parent samples :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 hash:
f639530345c52597fc8d4f6ccc98b71f03088a0c330a7df97cf4e3099da918b1
MD5 hash:
8af3ec4b29900ba45e8396e75723910d
SHA1 hash:
b9e2b80ceac51ac75121605deaa43777dad688f8
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | infostealer_win_stealc_standalone |
|---|---|
| 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: | pdb_YARAify |
|---|---|
| Author: | @wowabiy314 |
| Description: | PDB |
| Rule name: | Windows_Trojan_Smokeloader_3687686f |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_stealc_w0 |
|---|---|
| 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/ |
| Rule name: | yara_template |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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