MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 20c94af23dc0353f8a739fe593115eeb09cac111dfc50db3fcb6964bbe2abb4e. 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: | 20c94af23dc0353f8a739fe593115eeb09cac111dfc50db3fcb6964bbe2abb4e |
|---|---|
| SHA3-384 hash: | 5ebe65d9c369e2bbdd63530fabcb604dbff32d63eb995258418951b751b9fb2d0f2de3c3c4c4e8fd7f7e9ed9971b284e |
| SHA1 hash: | 481dda3ca919e2434fda78ca432b3ee7c7962ead |
| MD5 hash: | 39f1755fdae610c068e7d40e2717f696 |
| humanhash: | oranges-purple-quiet-winner |
| File name: | 39f1755fdae610c068e7d40e2717f696.exe |
| Download: | download sample |
| Signature | Stealc |
| File size: | 106'496 bytes |
| First seen: | 2023-08-18 05:15:15 UTC |
| Last seen: | 2023-08-18 05:31:28 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | cd99bce8ebad6bc5866d19d9d387c282 (3 x Stealc) |
| ssdeep | 1536:AO7s7wqqGfdXfbMny0eDEgU5ZOw9mbNFG7x6pt9Dvdp8R+jHb546+qUlE4SJrIAq:BsOGfBMy0117esKhpV46+8raADsn |
| Threatray | 137 similar samples on MalwareBazaar |
| TLSH | T113A3F501E940642EE1A540FFBA9E5BEAE89C7AB41304C0C3EBB1AD7635E11F164B457F |
| TrID | 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4505/5/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  abuse_ch |
| Tags: | exe Stealc |
Intelligence
File Origin
# of uploads :
2
# of downloads :
333
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
39f1755fdae610c068e7d40e2717f696.exe
Verdict:
Malicious activity
Analysis date:
2023-08-18 05:17:53 UTC
Tags:
stealc stealer loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
darkside filecoder packed ransomware stealc
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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
Verdict:
Malicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
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:
Threat name:
Win32.Spyware.Stealc
Status:
Malicious
First seen:
2023-08-15 05:09:19 UTC
File Type:
PE (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 127 additional samples on MalwareBazaar
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc spyware stealer
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
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://94.228.169.55/7baff47bec0ff5db.php
Unpacked files
SH256 hash:
20c94af23dc0353f8a739fe593115eeb09cac111dfc50db3fcb6964bbe2abb4e
MD5 hash:
39f1755fdae610c068e7d40e2717f696
SHA1 hash:
481dda3ca919e2434fda78ca432b3ee7c7962ead
Malware family:
Stealc
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: | Check_OutputDebugStringA_iat |
|---|
| Rule name: | detect_Mars_Stealer |
|---|---|
| Author: | @malgamy12 |
| Description: | detect_Mars_Stealer |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | sus_pe_free_without_allocation |
|---|---|
| Author: | Maxime THIEBAUT (@0xThiebaut) |
| Description: | Detects an executable importing functions to free memory without importing allocation functions, often indicative of dynamic import resolution |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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