MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f26a5adb365053bf4a3729bfbf8864a4ec773888382245ddd8a3a6cc11840511. 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: 11
| SHA256 hash: | f26a5adb365053bf4a3729bfbf8864a4ec773888382245ddd8a3a6cc11840511 |
|---|---|
| SHA3-384 hash: | 0552173244cd9c2e92c6d9cca4311b330e8e1e0c854707885eb4163bf3105206ba4e67ac86c1ef22cc9c10e6e2460043 |
| SHA1 hash: | e14f54c039644d669bc8ae35121ff484bcfbc683 |
| MD5 hash: | f17fb798ac933fab58a40afe23313ffd |
| humanhash: | moon-burger-oven-mockingbird |
| File name: | gepiz.exe |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 448'000 bytes |
| First seen: | 2023-09-15 22:26:43 UTC |
| Last seen: | 2023-09-15 23:57:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger) |
| ssdeep | 12288:JkSpMucPgZUlb2hSsOabxNSulZdVFxWEvjZCZ9Iex8L5uflu:UXe8hxy+s |
| Threatray | 126 similar samples on MalwareBazaar |
| TLSH | T1C194492439FA501AB173EFA68FE4B9E6DA6FBA733B07645D1091038A4723981DDC143D |
| 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 | 00f48aaaaaaad400 (2 x MarsStealer) |
| Reporter |  vovaan |
| Tags: | binder exe MarsStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
348
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gepiz.exe
Verdict:
No threats detected
Analysis date:
2023-09-15 22:30:55 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
packed
Verdict:
Malicious
Labled as:
MSIL.Binder.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 detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to detect sleep reduction / modifications
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)
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:
Threat name:
ByteCode-MSIL.Trojan.Znyonm
Status:
Malicious
First seen:
2023-09-15 22:27:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 23 (86.96%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 116 additional samples on MalwareBazaar
Result
Malware family:
marsstealer
Score:
10/10
Tags:
family:marsstealer botnet:default stealer
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Executes dropped EXE
Mars Stealer
Unpacked files
SH256 hash:
5f8dbddd39bc3d6496d3c4f38b559733ac345c825f20733f8526bfe55560b2b5
MD5 hash:
ee284686ee0aae914c67d638ccf5c609
SHA1 hash:
5dfaf67ac948ad5d0c81c75be72d1f5e98b5c95d
SH256 hash:
126c93e34bba67975d224c31058c6224aca42a656a1536a27540c9b8b21f56b1
MD5 hash:
87aee48978f8726e084f934ab228c6c3
SHA1 hash:
f05a7efc1878a0c68b42f4d933f0138e97dd874e
SH256 hash:
f26a5adb365053bf4a3729bfbf8864a4ec773888382245ddd8a3a6cc11840511
MD5 hash:
f17fb798ac933fab58a40afe23313ffd
SHA1 hash:
e14f54c039644d669bc8ae35121ff484bcfbc683
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: | 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
Dropped by
MarsStealer
Delivery method
Distributed via web download
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