MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba
SHA3-384 hash: 87c70e163cb9728a08c2116544c726b105b25f5931fd33d8ff3f4326fbfc1d77e3abb3f4dcf5d6eceef48accea78eb5d
SHA1 hash: cd53bfe4b85dad062121e337db4ef3e16cb3267a
MD5 hash: 1ff365902d427237cf9965779ef65ad0
humanhash: virginia-twenty-summer-winter
File name:77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba.bin
Download: download sample
Signature Matanbuchus
Create hunting rule
File size:1'229'312 bytes
First seen:2025-12-09 07:52:25 UTC
Last seen:Never
File type:DLL dll
MIME type:application/x-dosexec
imphash cf5cb8c86b694abd9c1ab08034eb8bca (1 x Matanbuchus)
ssdeep 24576:S2Zm93HeH5n7tDGKoORmoSVPbi7VaqKFxPTw/3kPoouW6Ds69DMfV87ZqEArCe:Se43+H5n7tiK3RmhVPb83kPfv6DsZfMo
TLSH T130454B26F201E609D05B0178BB25D7AA689C3530578558D37BC2BF9E3E616F287B9F03
TrID 33.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
21.3% (.EXE) Win64 Executable (generic) (10522/11/4)
13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
10.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter KodaDr
Tags:dll matanbuchus Matanbuchus_v3

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
RU RU
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/05fc63d6-04be-44ec-b34b-67c1104fe231/
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/43956/
Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6937d56cdb58e1a2c22ba806
Tags:
malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba
Verdict:
Malicious
File Type:
dll x32
First seen:
2025-12-05T19:16:00Z UTC
Last seen:
2025-12-10T20:56:00Z UTC
Hits:
~100
Detections:
UDS:DangerousObject.Multi.Generic Trojan.Win32.Agent.xcbjnl PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba/results?tab=lookup
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/008754da-d80a-42d2-9622-23cb40c180b9
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/1ff365902d427237cf9965779ef65ad0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba/
Verdict:
Malicious
Threat:
Family.MATANBUCHUS
Link:
https://tip.neiki.dev/file/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba
Threat name:
Win32.Trojan.Alevaul
Create hunting rule
Status:
Malicious
First seen:
2025-12-03 03:29:30 UTC
File Type:
PE (Dll)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6st3r2x7xzydu4qnkzfnn2k2pg3oyucmhcyuyv4zhdmuycta65a._file
Verdict:
malicious
Label(s):
matanbuchus
Create hunting rule
Similar samples:
error
Matanbuchus
Result
Malware family:
matanbuchus
Create hunting rule
Score:
  10/10
Tags:
family:matanbuchus discovery loader
Link:
https://tria.ge/reports/251209-jq3ffawkhq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Badlisted process makes network request
Matanbuchus
Matanbuchus family
Unpacked files
SH256 hash:
77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba
MD5 hash:
1ff365902d427237cf9965779ef65ad0
SHA1 hash:
cd53bfe4b85dad062121e337db4ef3e16cb3267a
Link:
https://www.unpac.me/results/081c3179-b752-4579-b522-ff3e6ce6ffee/
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/77a53dc757fdf381d3906ab256b74ad3cdb7628261c58a62bcc9c6ca605307ba

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
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/43956/

Comments