MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39. 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: 11


Intelligence 11 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39
SHA3-384 hash: 57150a0391eb44bed262ea61e67a090b95b00c564e6e782b7f374ad8b78a489b2042a3b0100fe19b95f42a7a6a21b333
SHA1 hash: 5d32331247d0602721ee189d4782bec205585157
MD5 hash: 22c5fe9024dfe6429006f8996adb07e4
humanhash: mobile-tango-fanta-fruit
File name:file
Download: download sample
Signature Matanbuchus
Create hunting rule
File size:721'408 bytes
First seen:2024-09-12 11:05:21 UTC
Last seen:2024-09-28 05:14:10 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash d7e907df6debdfed0d428d1484727ac3 (1 x Matanbuchus)
ssdeep 12288:dS/Um4GrpMEQi6SGe7e7rmmYcBtr9upncfU38EVe2WJY1yP8LeS32X97TJE8qs:Qsm4G9MtSN7e1tYp5Ve2WJY1yG32hO89
TLSH T186E45B24DA11A51BF8EF00BAD16C9B66602C3730276414CBB7C0AFBE6A756D0E635F47
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:dll matanbuchus


Avatar
Bitsight
url: https://banydox.com/index.aspx

Intelligence

File Origin
# of uploads :
1'018
# of downloads :
398
Origin country :
PT PT
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Matanbuchus-9870980-0
Create hunting rule

ditekSHen.INDICATOR.Packed.TriumphLoader.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e2cb1c76bc4542b0498186
Tags:
n/a
Result
Verdict:
Clean
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint microsoft_visual_cc
Link:
https://www.filescan.io/uploads/66e2cb1e725fc81856b22f29/reports/8d46dd3d-f04b-46fc-beb1-17cb766369c7/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39
Result
Verdict:
SUSPICIOUS
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
Link:
https://analyze.intezer.com/analyses/342b6eb7-cf34-453f-9909-ae4a0e9cd5f9
Result
Threat name:
Matanbuchus
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1510021
Signature
AI detected suspicious sample
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Matanbuchus
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1510021 Sample: file.dll Startdate: 12/09/2024 Architecture: WINDOWS Score: 72 19 Malicious sample detected (through community Yara rule) 2->19 21 Multi AV Scanner detection for submitted file 2->21 23 Yara detected Matanbuchus 2->23 25 2 other signatures 2->25 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 regsvr32.exe 7->11         started        13 conhost.exe 7->13         started        15 3 other processes 7->15 process5 17 rundll32.exe 9->17         started       
Score:
95%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-09-12 11:06:11 UTC
File Type:
PE (Dll)
AV detection:
15 of 24 (62.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iv2eycng6ya2vscheknhw2gjgqt7ufpjnk4bjjmahbrakumjn44q._file
Verdict:
unknown
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Link:
https://tria.ge/reports/240912-m7d1yssgpf/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39
MD5 hash:
22c5fe9024dfe6429006f8996adb07e4
SHA1 hash:
5d32331247d0602721ee189d4782bec205585157
Detections:
matanbuchus
Create hunting rule
Link:
https://www.unpac.me/results/88cd751a-9152-4848-946d-56fd73529238/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:crime_win32_matanbuchus_loader
Create hunting rule
Author:Rony
Description:Detects Matanbuchus loader dll
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:Matanbuchus_name_only
Create hunting rule
Author:James_inthe_box
Description:Matanbuchus
Reference:https://twitter.com/pr0xylife/status/1537511268591992840
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:Windows_Trojan_Matanbuchus_4ce9affb
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Matanbuchus_58a61aaa
Create hunting rule
Author:Elastic Security
Rule name:win_matanbuchus
Create hunting rule
Author:andretavare5
Description:Detects Matanbuchus MaaS loader and core

File information

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

Web download

Matanbuchus

DLL dll 45744c09a6f601aac847229a7b68c93427fa15e96ab814a58038620551896f39

(this sample)

  
Dropped by
Matanbuchus
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::OpenClipboard

Comments