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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc. 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


Threat unknown


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc
SHA3-384 hash: d9bc2f2fe713c2a42e63beca33af54204b20f60396fe7cbe8ebe93a8f02f10176105be497d9c809cb3378e48314e1c59
SHA1 hash: ed72b6a927b6d1a82a1c2809017969fe5ddbaeb7
MD5 hash: ccfaa5ea9a283cc029f5d285f801db95
humanhash: pizza-mars-diet-early
File name:b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc.bin
Download: download sample
File size:40'082 bytes
First seen:2026-10-04 02:25:23 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 768:D4zb+p20gRF8lcGChMvPJrSaK3fPdiUUhlR7KvyP6+EGsBjV+UMzOjdFVYs:D8bOgROlhHPJpAYlR7uq65lL+UMzEdXP
TLSH T1E2030185B459AE18832ED11FF4DEA8DD8991368FF83E7F80035E156005A3BF8AD015BB
Magika zip
Reporter whack_sh
Tags:zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
US US
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:HMBlocker.exe
File size:49'152 bytes
SHA256 hash: 2d047b0a46be4da59d375f71cfbd578ce1fbf77955d0bb149f6be5b9e4552180
MD5 hash: 21943d72b0f4c2b42f242ac2d3de784c
MIME type:application/x-dosexec
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/955a583f-8b50-4455-8b2d-6d1ace63d6c7/
Detection(s):
Win.Trojan.Agent-610813
Create hunting rule

Win.Trojan.Ransom-7553
Create hunting rule

Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug dropper microsoft_visual_cc packed packed packer ransomware upx
Link:
https://www.filescan.io/uploads/6ac1b91f3d0e8754f9cbb686/reports/5458b532-8586-4a32-a3c7-bfbc1147f529/overview
Verdict:
Malicious
Labled as:
Mal/Palevo
Link:
https://www.hybrid-analysis.com/sample/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc
Verdict:
Malicious
File Type:
zip
First seen:
2026-09-30T03:44:00Z UTC
Last seen:
2026-09-30T04:05:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc/results?tab=lookup
Score:
96%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/ccfaa5ea9a283cc029f5d285f801db95
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc/
Threat name:
Win32.Ransomware.RansomLock
Create hunting rule
Status:
Malicious
First seen:
2026-09-30 08:39:50 UTC
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xcwpby4463rd6fqw5q3vy6klgh2gompisotrcxayppwqhm45jhoa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence upx
Link:
https://tria.ge/reports/261004-g56ejawx3j/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Executes a command shell one-liner
System Location Discovery: System Language Discovery
UPX packed file
Adds Run key to start application
Checks computer location settings
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.74
Link:
https://yomi.yoroi.company/submissions/b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:UPX
Create hunting rule
Author:kevoreilly
Description:UPX Unpacker: dump on OEP (original entry point)
Rule name:UPX20030XMarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:UPXv20MarkusLaszloReiser
Create hunting rule
Author:malware-lu
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Web download

zip b8acf0e39cf6e23f1616ec375c794b31f46731e893a7115c187bed03b39d49dc

(this sample)

  
Delivery method
Distributed via web download

Comments