MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92a2e2a124a106af33993828fb0d4cdffd9dac8790169774d672c30747769455. 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



Matanbuchus


Vendor detections: 12


Intelligence 12 IOCs YARA 5 File information Comments

SHA256 hash: 92a2e2a124a106af33993828fb0d4cdffd9dac8790169774d672c30747769455
SHA3-384 hash: 9a1d35dc1dba817c9c5e4754bdcbd482867d5b02b3ea37238168721fc1e7326d1ed4213b507389c0da5f64db70c40579
SHA1 hash: 4b2327151fab85900f53dda504002d5e6c6019e4
MD5 hash: a8ecce20e1279a8c4168cf94fa9a8529
humanhash: hotel-three-cup-mockingbird
File name:92a2e2a124a106af33993828fb0d4cdffd9dac8790169774d672c30747769455.bin
Download: download sample
Signature Matanbuchus
File size:5'993'472 bytes
First seen:2025-12-09 07:52:12 UTC
Last seen:Never
File type:Microsoft Software Installer (MSI) msi
MIME type:application/x-msi
ssdeep 98304:jjV2IMWIqr8kfma9fQ5S26Zb9urOO/oePq2vZGIabVNGDD+K8kTMOqg1I/OmeZ98:fV2cqkfb945S/bSO8oePFvZGIaDGDaF1
Threatray 89 similar samples on MalwareBazaar
TLSH T152560221BA8FC537D61D0276E52DFE8E543DBE63472181E3B7E8784958708C257BAE02
TrID 80.0% (.MSI) Microsoft Windows Installer (454500/1/170)
10.7% (.MST) Windows SDK Setup Transform script (61000/1/5)
7.8% (.MSP) Windows Installer Patch (44509/10/5)
1.4% (.) Generic OLE2 / Multistream Compound (8000/1)
Magika msi
Reporter KodaDr
Tags:matanbuchus Matanbuchus_v3 msi

Intelligence


File Origin
# of uploads :
1
# of downloads :
43
Origin country :
RU RU
Vendor Threat Intelligence
Malware configuration found for:
MSI
Details
MSI
an embedded setup program or component
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug base64 cmd expired-cert fingerprint installer keylogger lolbin masquerade short-lived-cert wix
Result
Verdict:
MALICIOUS
Details
Excel Macro Manipulates Hidden Sheets
Detected macro logic designed to hide a sheet within the current, or another spreadsheet. This technique is not necessarily indicative of malicious behavior as hidden sheets have legitimate uses.
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
msi
First seen:
2025-12-05T00:50:00Z UTC
Last seen:
2025-12-10T01:37:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
6 match(es)
Tags:
.Net CAB:COMPRESSION:MSZIP Executable Office Document PDB Path PE (Portable Executable) PE File Layout SVG
Threat name:
Win32.Trojan.Matanbuchus
Status:
Malicious
First seen:
2025-10-06 23:21:44 UTC
File Type:
Binary (Archive)
Extracted files:
80
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence privilege_escalation ransomware
Behaviour
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Event Triggered Execution: Installer Packages
System Location Discovery: System Language Discovery
Drops file in Windows directory
Enumerates connected drives
Loads dropped DLL
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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: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_MSI_LATAM_Banker_From_LatAm
Rule name:Excel_Hidden_Macro_Sheet
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

File information


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

Comments