MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd. 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: 5


Intelligence 5 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd
SHA3-384 hash: 1efed37aa7ec69bd5860101fdc5e9256528468856b271f5c24e79226f8875d3ecfd8e2549c2121473d61bf2b0c2e9e63
SHA1 hash: 2ff455d4cdacb66c03034e242d35e4c52df0c755
MD5 hash: 757befdfc185f04d91f44593096f99fd
humanhash: early-ack-rugby-uncle
File name:757befdfc185f04d91f44593096f99fd.rar
Download: download sample
File size:347'460 bytes
First seen:2025-11-20 08:19:46 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:RLd4npQ4L49FZdAQ90Fo3FZdAQ90Fo7FZdAQ90FopFZdAQ90FX9U:FFZfCEFZfC8FZfCmFZfCd6
TLSH T1BD741256017B6106F7AFEA71FAB6A13BDE3C47E6E900F20458068427EEF993541E7131
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-2025-6218 CVE-2025-8088 rar RUS

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
Origin country :
HU HU
File Archive Information

This file archive contains 4 file(s), sorted by their relevance:

File name:Письмо.pdf:stream_11xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
File size:154'264 bytes
SHA256 hash: 8ad0d22fb2078a25e50a68e95c57e2da8d8b9182ebc5b35c3397ad3f61313cb0
MD5 hash: cf5ddd9e9720fc28353ae7de63c2ebdb
MIME type:text/x-msdos-batch
File name:Письмо.pdf:XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX
File size:153'875 bytes
SHA256 hash: 98f74c7eed078006bf3838932fb394b0c3eb230687c927b7045aa0b3bed8ddcf
MD5 hash: 6da977e3aaf3aa54f3227d38782259d2
MIME type:text/x-msdos-batch
File name:Письмо.pdf:.._.._.._.._.._.._.._.._.._AppData_Roaming_Microsoft_Windows_Start Menu_Programs_Startup_run.bat
File size:188 bytes
SHA256 hash: 3969b75abc098c51c8a4e4373632c6f193d7f5135628b3825b5f2466260b82bc
MD5 hash: eaf7d153e49bd4df0037cc7bbd862a2f
MIME type:text/plain
File name:Письмо.pdf
File size:19'394 bytes
SHA256 hash: 196ac78c24ae42c181a2cd358d9e00e3302cb14c5c6c7b663a67bd1479594008
MD5 hash: fed2ead172d4192391addefa6a2b672d
MIME type:text/plain
Vendor Threat Intelligence
Detection(s):
TwinWave.EvilRAR.GhettoSuperstream.20241120.UNOFFICIAL
Create hunting rule

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

Verdict:
Clean
Score:
89.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691ecf5e8cf6736ec0af9ae4
Tags:
n/a
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/691ecf539934b9b830c0613a/reports/2a12a5d1-31bf-4e0d-9b2d-1dd72a78360a/overview
Verdict:
Suspicious
Labled as:
CVE-2025-8088
Link:
https://www.hybrid-analysis.com/sample/82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd
Verdict:
Malicious
File Type:
rar
First seen:
2025-11-17T07:30:00Z UTC
Last seen:
2025-11-19T02:32:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd/results?tab=lookup
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Rar Archive
Link:
https://app.malva.re/file/757befdfc185f04d91f44593096f99fd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd/
Threat name:
Script-PowerShell.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-11-20 08:21:10 UTC
File Type:
Binary (Archive)
Extracted files:
15
AV detection:
5 of 24 (20.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qlqfwoleip6o322lczni4xxe3bizlnf2bjmkbblhausvtdsg53oq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
adware discovery spyware
Link:
https://tria.ge/reports/251120-kbj6zswrcn/
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/82e05b396443fcedeb4b165a8e5ee4d85195b4ba0a58a085670525598e46eedd

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: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