MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 43b9b71ba6767fda9748590734a94d570fa2553f8f056ca60e8d96a925de30e4. 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
Meduza
Vendor detections: 11
| SHA256 hash: | 43b9b71ba6767fda9748590734a94d570fa2553f8f056ca60e8d96a925de30e4 |
|---|---|
| SHA3-384 hash: | bbcf763bad1a5b7daba1a4e348b3f705ec44361d104fa16176b1a5dc7f0e2bdc70ddf95cec677deb63d4e5b90a6436b6 |
| SHA1 hash: | 69255b072edd48b464ac92e71934e74f8da6df49 |
| MD5 hash: | 21967bfb7cd7b9091946ed7cbe908f06 |
| humanhash: | cat-apart-may-moon |
| File name: | 21967bfb7cd7b9091946ed7cbe908f06 |
| Download: | download sample |
| Signature | Meduza |
| File size: | 1'216'112 bytes |
| First seen: | 2024-04-05 05:33:53 UTC |
| Last seen: | 2024-04-05 06:19:31 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:ESCz7V96jSYOdQyUbjN5HABgRmvL/7mOhdbY7bDPq7aGsl0:EttXPEKgY3bYfDWjS0 |
| Threatray | 69 similar samples on MalwareBazaar |
| TLSH | T1DD45334054F449A1E2EEEB32CE4AE313427CE3FB0B689B1351456E1F266565F8B3D263 |
| TrID | 44.4% (.EXE) Win64 Executable (generic) (10523/12/4) 21.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 8.7% (.ICL) Windows Icons Library (generic) (2059/9) 8.5% (.EXE) OS/2 Executable (generic) (2029/13) 8.4% (.EXE) Generic Win/DOS Executable (2002/3) |
| Reporter |  zbetcheckin |
| Tags: | 64 exe Meduza |
Intelligence
File Origin
# of uploads :
2
# of downloads :
294
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43b9b71ba6767fda9748590734a94d570fa2553f8f056ca60e8d96a925de30e4.exe
Verdict:
Malicious activity
Analysis date:
2024-04-05 05:37:10 UTC
Tags:
meduza stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Sending a TCP request to an infection source
Launching a process
Searching for synchronization primitives
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Creating a window
Reading critical registry keys
Connection attempt to an infection source
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay 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.
Verdict:
Malicious
Result
Threat name:
Meduza Stealer
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Meduza Stealer
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Score:
84%
Verdict:
Malware
File Type:
PE
Threat name:
Win64.Spyware.Meduzastealer
Status:
Malicious
First seen:
2024-04-05 05:15:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
23 of 37 (62.16%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
suspicious
Similar samples:
+ 59 additional samples on MalwareBazaar
Result
Malware family:
meduza
Score:
10/10
Tags:
family:meduza collection stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Meduza
Meduza Stealer payload
Malware Config
C2 Extraction:
5.182.86.229
Unpacked files
SH256 hash:
43b9b71ba6767fda9748590734a94d570fa2553f8f056ca60e8d96a925de30e4
MD5 hash:
21967bfb7cd7b9091946ed7cbe908f06
SHA1 hash:
69255b072edd48b464ac92e71934e74f8da6df49
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: | cobalt_strike_tmp01925d3f |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | pe_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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