MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1463af12fd0e9bda5b5c94381ea22d82abd5d95008ffb77894c5be3c77e3bbc. 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: 12


Intelligence 12 IOCs YARA 17 File information Comments

SHA256 hash: c1463af12fd0e9bda5b5c94381ea22d82abd5d95008ffb77894c5be3c77e3bbc
SHA3-384 hash: 944f7448b9b7837668859c730420f349cecfc7d1908bcf9b4e66d1dc6d87b523312ce9c685c0de5b42dc1e6eae33a318
SHA1 hash: 926975a24a7ad80527cd5a4fd0a0f3ef5bce312b
MD5 hash: 88fdee8c7dcf1258e57c298c07fa6242
humanhash: uniform-asparagus-helium-fifteen
File name:file
Download: download sample
Signature MarsStealer
File size:212'992 bytes
First seen:2023-11-14 08:40:14 UTC
Last seen:2023-11-14 10:24:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 3cf8645c93eebd6a8066c6479eebf80f (2 x MarsStealer, 1 x Stealc, 1 x RedLineStealer)
ssdeep 3072:5aozciRhelgMhTl8TLOVCnRrnyT/y5LF/PMY6wt:LRh6BhTyvryT/qLF/iw
TLSH T12624BF22B7E6C072E177453489B2C2B65A3B78B29F6185CF27C05A7E1E216D2C73531E
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0244413208144450 (1 x MarsStealer)
Reporter andretavare5
Tags:exe MarsStealer


Avatar
andretavare5
Sample downloaded from http://gons16c.top/build.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
315
Origin country :
US US
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
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware lolbin 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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contain functionality to detect virtual machines
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after checking computer name)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Sample uses string decryption to hide its real strings
Self deletion via cmd or bat file
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.Spyware.Vidar
Status:
Malicious
First seen:
2023-11-14 08:41:04 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
19 of 24 (79.17%)
Threat level:
  2/5
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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks installed software on the system
Checks computer location settings
Deletes itself
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
5ae0b6d5b5d0ecb54376ba4ecf73cc8589b20961044669fae75958e16f37a999
MD5 hash:
9257a90ab28b137f9594ff438d77419c
SHA1 hash:
30269af2946b2208fcb70e844b6890ad6c6566e0
SH256 hash:
c1463af12fd0e9bda5b5c94381ea22d82abd5d95008ffb77894c5be3c77e3bbc
MD5 hash:
88fdee8c7dcf1258e57c298c07fa6242
SHA1 hash:
926975a24a7ad80527cd5a4fd0a0f3ef5bce312b
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: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:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Smokeloader_3687686f
Author:Elastic Security
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

File information


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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by

Comments