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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c. 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: 6


Intelligence 6 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c
SHA3-384 hash: 6b23b2116882e73b16cd54370de02e6a79571d52749cb45b15df59c139c6cd6b34b3ef8c5a0e3635736579637779433d
SHA1 hash: ac586e331004119ad9327eb71694f9c75f364804
MD5 hash: cc221201364d024cd332a628eec17284
humanhash: winner-whiskey-colorado-romeo
File name:ScanDocuments.pdf.p7s.rar
Download: download sample
File size:97'177 bytes
First seen:2026-09-21 13:53:32 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 1536:UDIJpDqD3xf24VAAAAAAAAAAAAAAAAAACulwwwwwwwwwwwwwwwwwwwwwwwwwwwwd:UIIhf24us
TLSH T1E1935DEB0EAF908216E24864E1ED95305859D6FC48DFB1022AA7F7703FD21978611FE7
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter smica83
Tags:CVE-2025-8088 rar UKR

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
HU HU
File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:ScanDocuments_2_12_1-1538_18.09.2026.pdf
File size:1'536 bytes
SHA256 hash: 76df5ebc7b7032de26e4e3c785455c9bfdd8d8ec0e6dc624fd8e53dc31d22473
MD5 hash: 96ff1610228d5d36942eedf984b57a29
MIME type:text/plain
File name:ScanDocuments_2_12_1-1538_18.09.2026.pdf:.._.._.._.._.._.._AppData_Roaming_.._Roaming_Microsoft_.._Microsoft_Windows_.._Windows_Start Menu_Programs_Startup_2_12_1-1538_18.09.2026.vbe
File size:36'025 bytes
SHA256 hash: c72961fb65a247eb3f18825a1116221c5d76d5b702203dd8bb4694d538e7a409
MD5 hash: 6d9e8a94d9a13e0db737714b68c2fda1
MIME type:text/plain
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1e96ff46-55d4-4005-85a2-6313627d0dd9/
Detection(s):
SecuriteInfo.com.RAR.CVE-2025-8088-1.UNOFFICIAL
Create hunting rule

TwinWave.EvilRAR.GhettoSuperstream.20241120.UNOFFICIAL
Create hunting rule

TwinWave.EvilRAR.HongKongGarden_CVE-2025-8088.20250812.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6ab1370685b878e0b17a3151/reports/f150fc5c-6fc6-486f-911f-08bf300ec1b2/overview
Verdict:
Malicious
Labled as:
CVE-2025-8088
Link:
https://www.hybrid-analysis.com/sample/b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c
Verdict:
Malicious
File Type:
rar
First seen:
2026-09-21T10:50:00Z UTC
Last seen:
2026-09-21T11:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Rar Archive
Link:
https://app.malva.re/file/cc221201364d024cd332a628eec17284
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c/
Threat name:
Win32.Exploit.CVE-2025-8088
Create hunting rule
Status:
Malicious
First seen:
2026-09-21 13:54:19 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbvr7ybu6imqlgnrohtz7ib3jhki7zehltxs7dq7mzodiuaamgoa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
adware discovery spyware
Link:
https://tria.ge/reports/260921-s4wpgswvhw/
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b86b1fe034f2190599b171e79fa03b49d48fe4875cef2f8e1f665c345000619c

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:cve_2025_8088_winrar
Create hunting rule
Author:t3ft3lb
Description:Detects RAR archives with CVE-2025-8088
Reference:https://nvd.nist.gov/vuln/detail/CVE-2025-8088
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:SUSP_RAR_NTFS_ADS
Create hunting rule
Author:Proofpoint
Description:Detects RAR archive with NTFS alternate data stream
Reference:https://www.proofpoint.com/us/blog/threat-insight/hidden-plain-sight-ta397s-new-attack-chain-delivers-espionage-rats
Rule name:WinRAR_CVE_2025_8088_Exploit
Create hunting rule
Author:marcin@ulikowski.pl
Description:Detects RAR archives exploiting CVE-2025-8088 in WinRAR
Reference:https://www.welivesecurity.com/en/eset-research/update-winrar-tools-now-romcom-and-others-exploiting-zero-day-vulnerability/

File information

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

Comments