MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 511a3e2b12f7ddd019bb50bdbf909c1da8fb6b5bfb9f3faa4726684e4dd96896. 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: 15
| SHA256 hash: | 511a3e2b12f7ddd019bb50bdbf909c1da8fb6b5bfb9f3faa4726684e4dd96896 |
|---|---|
| SHA3-384 hash: | beda45589681ef579f1fe4a7a698e99b29259183601780d0a0b07fab4f6d5601f8d5d3d768930dcd8a0d751356e6f112 |
| SHA1 hash: | 94036f8e62d62dcf7c45db9e1497632dca8f9f57 |
| MD5 hash: | cfda6fb742d5b3e7e9cb05f5c97cd467 |
| humanhash: | queen-triple-montana-crazy |
| File name: | KinhDown[自动更新文件].exe |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 7'000'000 bytes |
| First seen: | 2023-10-15 06:16:12 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:S410pD8x2Oh0bP8XDJtAG0Qk5bdKjtPbZ2ZbmwxZ4e2qTQ:RhlXn4i6cI |
| Threatray | 145 similar samples on MalwareBazaar |
| TLSH | T1F566592439EA5019F173EFBA9BE479EADA2FBB733B07646D105103860723A41DDC153A |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.3% (.EXE) Win32 Executable (generic) (4505/5/1) 2.0% (.ICL) Windows Icons Library (generic) (2059/9) |
| File icon (PE): |  |
| dhash icon | e0c486a070617363 (1 x AgentTesla, 1 x MarsStealer) |
| Reporter | Anonymous |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
1
# of downloads :
297
Origin country :
GBVendor Threat Intelligence
Malware family:
arkei
ID:
1
File name:
KinhDown[自动更新文件].exe
Verdict:
Malicious activity
Analysis date:
2023-10-15 05:19:16 UTC
Tags:
marsstealer stealer arkei
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
Searching for the window
Creating a file
Сreating synchronization primitives
Creating a process from a recently created file
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
5/10
Confidence:
80%
Tags:
overlay
Verdict:
Malicious
Labled as:
MSIL.Androm.Generic
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:
Mars Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large strings
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
Creates executable files without a name
Found evasive API chain (may stop execution after checking computer name)
Found evasive API chain (may stop execution after checking locale)
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
PE file has nameless sections
Sample uses string decryption to hide its real strings
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Mars stealer
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Gathering data
Threat name:
ByteCode-MSIL.Trojan.ReverseRat
Status:
Malicious
First seen:
2023-10-15 07:03:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
18 of 22 (81.82%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 135 additional samples on MalwareBazaar
Result
Malware family:
marsstealer
Score:
10/10
Tags:
family:marsstealer botnet:default spyware stealer
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Mars Stealer
Malware Config
C2 Extraction:
kenesrakishev.net/wp-cron.php
Unpacked files
SH256 hash:
687e7beb669d719a6ff46d2c642fa053eaa690ff1103e8080e4949a8b6c8d496
MD5 hash:
fc38a591e396201a99e544ffcce8b847
SHA1 hash:
eee86f5337b4911aabb491ca48d3f07196e3da30
SH256 hash:
6824ca4c9f5dc3861df4a9c05011c87fd37d29df5163f7a3b87112f36af31100
MD5 hash:
ce9ef11a437758d3714336f5652ee82e
SHA1 hash:
cfe00df1daa6d0d9090f7951ff4af5fb982b4b39
SH256 hash:
511a3e2b12f7ddd019bb50bdbf909c1da8fb6b5bfb9f3faa4726684e4dd96896
MD5 hash:
cfda6fb742d5b3e7e9cb05f5c97cd467
SHA1 hash:
94036f8e62d62dcf7c45db9e1497632dca8f9f57
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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_imphash |
|---|
| 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
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