MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d934f3bb89201a0ffc2fe21e8c1a4b75ba2640b98af6e483ea3fe80bffaa9320. 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: | d934f3bb89201a0ffc2fe21e8c1a4b75ba2640b98af6e483ea3fe80bffaa9320 |
|---|---|
| SHA3-384 hash: | 19a434ed145d48f08e79e999767fdfcc2c1bee1e4d94fd285696fb9df517a0d842e4804e35b849c999b6b6854d806a49 |
| SHA1 hash: | 25c562583a414a74fef8171e84e1753d3077ade0 |
| MD5 hash: | 6615dec0e862ca80005072e4936a0dc0 |
| humanhash: | bluebird-may-low-spaghetti |
| File name: | file |
| Download: | download sample |
| Signature | MarsStealer |
| File size: | 291'840 bytes |
| First seen: | 2023-11-08 04:31:41 UTC |
| Last seen: | 2023-11-08 08:32:09 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 00830677e55051e9ca6cc373318bccaf (3 x Stealc, 2 x Smoke Loader, 2 x MarsStealer) |
| ssdeep | 3072:pnLAfKeAbCJsHEdlEUmmJIRHUvB5s2coYaMkrqTcCgWSZQ4Stblg:LbCJskDE1ugOB55I8vhWgTS |
| Threatray | 9 similar samples on MalwareBazaar |
| TLSH | T15F543C1397E17C51E5264B328F2EE3E8361EF9518F693FAA1218AE2F09B51B1C173711 |
| TrID | 39.5% (.EXE) InstallShield setup (43053/19/16) 28.6% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 9.6% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | 0001010211110710 (1 x MarsStealer) |
| Reporter |  andretavare5 |
| Tags: | exe MarsStealer |
Intelligence
File Origin
# of uploads :
5
# of downloads :
348
Origin country :
USVendor Threat Intelligence
Malware family:
tofsee
ID:
1
File name:
12f4b96090bb7a1aa45768f68870ef90.exe
Verdict:
Malicious activity
Analysis date:
2023-11-08 05:20:58 UTC
Tags:
privateloader opendir evasion loader risepro stealer tofsee redline stealc botnet ransomware stop miner sinkhole smoke
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Changing a file
Creating a file in the %AppData% subdirectories
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:
No Threat
Threat level:
10/10
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
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 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
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)
Uses known network protocols on non-standard ports
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-11-08 04:32:04 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
24 of 24 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
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
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Unpacked files
SH256 hash:
37e6a6bf2de5fb31a20e333d5856e2f80271a002c7c1aa736e511539bd210692
MD5 hash:
9298e7ddec84f40051a23336378a876c
SHA1 hash:
a049ade90a5e60b01eabb2b753f1d986964fa919
SH256 hash:
d934f3bb89201a0ffc2fe21e8c1a4b75ba2640b98af6e483ea3fe80bffaa9320
MD5 hash:
6615dec0e862ca80005072e4936a0dc0
SHA1 hash:
25c562583a414a74fef8171e84e1753d3077ade0
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
| 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: | DebuggerException__SetConsoleCtrl |
|---|---|
| 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: | Windows_Trojan_Smokeloader_3687686f |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_Smokeloader_ea14b2a5 |
|---|---|
| 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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