MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3ca09965edf62f810d4889f9650b4669791102332ed761769f0ca9dabed1908. 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: 13


Intelligence 13 IOCs YARA 16 File information Comments

SHA256 hash: e3ca09965edf62f810d4889f9650b4669791102332ed761769f0ca9dabed1908
SHA3-384 hash: 07afe930eccf8ffa727c50e5c567cdbbf3af31945a28e2ba2bf443d561f686cfacb4e2431238372dddfcd1bc05b41351
SHA1 hash: 83366a119391bc62c95aa295d279684924f20a79
MD5 hash: e7637f78f9d76c02e1a8d13fd53de0d4
humanhash: pasta-sink-minnesota-network
File name:SecuriteInfo.com.Trojan.PWS.Steam.36751.7877.27701
Download: download sample
Signature MarsStealer
File size:172'544 bytes
First seen:2023-11-15 17:45:02 UTC
Last seen:2023-11-15 18:33:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c0f9401b13dd35f3e11f2b5cc5de60ea (1 x MarsStealer)
ssdeep 3072:qMQ9MYbEVnFegMJUEUOPIOaAQSUdiW9QbYXjByJ2fZpFR7+hjSe:6MYb4nMgMeiLeSKUbYzEsxpLShb
TLSH T10EF39C3C96C81132CD56E0B9CA620257B3337B66DA61C3CFDF198A6B45922D4BDC89C7
TrID 43.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
22.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
9.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.9% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter SecuriteInfoCom
Tags:exe MarsStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
310
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file
Reading critical registry keys
Creating a window
Searching for the window
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug anti-vm packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2023-11-15 14:09:42 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks installed software on the system
Checks computer location settings
Deletes itself
Reads data files stored by FTP clients
Downloads MZ/PE file
Unpacked files
SH256 hash:
d1102741f8eedce13ca109666aac7096ce462682f2a12aa1754f8d7820fe44e3
MD5 hash:
28e5c91427b7943936c8691f1552dcdc
SHA1 hash:
18bbd596bbdada94e3f909c2840121d94c34fc22
Detections:
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
SH256 hash:
e3ca09965edf62f810d4889f9650b4669791102332ed761769f0ca9dabed1908
MD5 hash:
e7637f78f9d76c02e1a8d13fd53de0d4
SHA1 hash:
83366a119391bc62c95aa295d279684924f20a79
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Dlls
Rule name:Check_OutputDebugStringA_iat
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:detect_Mars_Stealer
Author:@malgamy12
Description:detect_Mars_Stealer
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
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:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:QbotStuff
Author:anonymous
Rule name:win_vidar
Author:Matthew @ Embee_Research
Description:Detection of Vidar Stealer and Variants via strings present in final unpacked payloads
Rule name:win_vidar_strings_jun_2023
Author:Matthew @ Embee_Research
Description:Detection of Vidar Stealer and Variants via strings present in final unpacked payloads
Rule name:yara_template

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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