MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bf4f27f6932ce75b1746f5364af3abacbdafa59913da513a168d86ea0ad3a3a4. 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
MarsStealer
Vendor detections: 18
| SHA256 hash: | bf4f27f6932ce75b1746f5364af3abacbdafa59913da513a168d86ea0ad3a3a4 |
|---|---|
| SHA3-384 hash: | de82b914f0c8f2d988bd75cac3e2051c0cfe01001eb21da11a4bf2746806bbc803aa53b0cc2b809f379e0700f8cb934d |
| SHA1 hash: | adc7e7ec27f548afd50fac684c009cfe5c2e0090 |
| MD5 hash: | 031836b5b4c2fc0ba30f29e8a936b24e |
| humanhash: | carpet-connecticut-mirror-cold |
| File name: | crypted8888.exe |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 213'368 bytes |
| First seen: | 2024-08-21 17:49:06 UTC |
| Last seen: | 2024-08-23 02:23:58 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 3072:PFSL+gz5/zYlDZO9vWStZ7CP7rn0c7Qaw/QRC8ZrrP0VCGXtuVZS5lg8ExE:YaYYD8tZeP7rn3Qaw//qPeuVZS3 |
| TLSH | T1D72423159BF5041DFE275930A648D339AE7F93E34482EB8E40A8D9DAB3127311A6F370 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.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) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Reporter |  NDA0E |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
381
Origin country :
NLVendor Threat Intelligence
Malware family:
amadey
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-21 04:18:00 UTC
Tags:
amadey botnet stealer loader stealc themida
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
94.1%
Tags:
Encryption Static
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Connecting to a non-recommended domain
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed
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.
Verdict:
Suspicious
Result
Threat name:
Stealc, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found evasive API chain (may stop execution after checking locale)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Powershell download and execute
Yara detected Stealc
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
78%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Stealerc
Status:
Malicious
First seen:
2024-08-21 06:03:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 38 (63.16%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
stealc
Score:
10/10
Tags:
family:stealc botnet:penis credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Stealc
Malware Config
C2 Extraction:
http://185.196.9.140
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
f6681278c5948eae88cd0b5507f21c60d10a1fb19b70fbb85e0d51271869efc3
MD5 hash:
4eba960b1b7aa04bb80d3a72aac4a06e
SHA1 hash:
937569216e9938727fe028533a75cc7d6f88f471
Detections:
stealc
SH256 hash:
bf4f27f6932ce75b1746f5364af3abacbdafa59913da513a168d86ea0ad3a3a4
MD5 hash:
031836b5b4c2fc0ba30f29e8a936b24e
SHA1 hash:
adc7e7ec27f548afd50fac684c009cfe5c2e0090
Malware family:
Stealc
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
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: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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