MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 961fa39e74e92717c34a65cefca250df55cfc76faf1780c45e6b7dfc0fc80eca. 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
| SHA256 hash: | 961fa39e74e92717c34a65cefca250df55cfc76faf1780c45e6b7dfc0fc80eca |
|---|---|
| SHA3-384 hash: | 666098d6393701002c7312e6daf81c2a681c295a9a9233f63b76b8c7aac0d2c1963521de19206a606b2014c032cfd9e6 |
| SHA1 hash: | 38a334d0f0cf0c733276518cba8dc91bbaa366e3 |
| MD5 hash: | 2976287704476e6df68715c0d20754c1 |
| humanhash: | bluebird-whiskey-solar-quiet |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 212'992 bytes |
| First seen: | 2023-11-14 18:25:56 UTC |
| Last seen: | 2023-11-15 03:24:02 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ac9b735a86914608dcd7bdd7ddcf7451 (3 x Amadey, 2 x MarsStealer) |
| ssdeep | 3072:u6O0UHQP9HH02RNCd3EoyzuKDRFQenyjCGcPQsvhPVlzsHc:JUwP9n02znoYuKPuC5Ptvhz4 |
| TLSH | T14624D02277D1C072F16745344A62C6B25A37BCB29B3185CF2BD46ABE2E312D2CB75706 |
| 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): |  |
| dhash icon | 0409130113212016 (1 x MarsStealer) |
| Reporter |  andretavare5 |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
5
# of downloads :
342
Origin country :
USVendor Threat Intelligence
Detection:
n/a
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
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)
Stealing user critical data
Gathering data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
control greyware lolbin packed
Verdict:
Malicious
Labled as:
Malware
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:
Stealc
Verdict:
Malicious
Result
Threat name:
Vidar
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 submitted file
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)
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection(s):
Suspicious file
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
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:
961fa39e74e92717c34a65cefca250df55cfc76faf1780c45e6b7dfc0fc80eca
MD5 hash:
2976287704476e6df68715c0d20754c1
SHA1 hash:
38a334d0f0cf0c733276518cba8dc91bbaa366e3
Malware family:
Stealc
Verdict:
Malicious
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: | 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_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: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Smokeloader_3687686f |
|---|---|
| Author: | Elastic Security |
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
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