MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1. 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


QuasarRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1
SHA3-384 hash: 21be8aaf31815bccc079f3fd994f84ec8de102c1a47b1e219726da6bcd0192d33afe036fb2468762461063f976fcbf8a
SHA1 hash: de435bffa11806b6a4d95ba7a0fa6ca8babac52b
MD5 hash: bffff31debbdce89c57fe3b6850e85fa
humanhash: artist-oranges-green-king
File name:temp.bin
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:12'537 bytes
First seen:2025-11-14 12:55:03 UTC
Last seen:Never
File type:Shortcut (lnk) lnk
MIME type:application/x-ms-shortcut
ssdeep 384:1iudkzBJ4e0XQtddiWwR2bb48GULLXl56:tqjY3wLV
TLSH T182421B156ACBA49DF037AF32AFD875DBCE2A73363E1C35FA948417124822E41DE705A1
Magika lnk
Reporter XiAnzheng
Tags:dropper lnk QuasarRAT


Avatar
anzheng_xi
Second stage payload of "4743c305a4fd08ac36fe1f52f5c6d2933bbad2d727ab64fe5bffa9b73c3b2f21"

Intelligence

File Origin
# of uploads :
1
# of downloads :
63
Origin country :
ID ID
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27118.LnkHeur.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.26477.PshHeur.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.CMDLineCarrotsFoundationsOfDecay.M2.20220516.UNOFFICIAL
Create hunting rule

TwinWave.EvilLNK.OddLook.202207213.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=691726d1434cd67b17c13b76
Tags:
autorun quasar
Result
Verdict:
Malicious
File Type:
LNK File - Malicious
Link:
https://app.docguard.net/f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
cmd lolbin masquerade
Link:
https://www.filescan.io/uploads/691726c7e89affe2bafc2d43/reports/dba04526-a398-4582-b044-74798128119b/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1
Verdict:
Malicious
File Type:
lnk
First seen:
2025-11-14T04:02:00Z UTC
Last seen:
2025-11-16T10:23:00Z UTC
Hits:
~10
Detections:
HackTool.PowerShell.AmsiBypass.sb Trojan.WinLNK.Agent.sb HEUR:Trojan.WinLNK.Agent.gen HEUR:Trojan.PowerShell.Starter.gen HEUR:Trojan.PowerShell.Generic HEUR:Trojan.Multi.Powenot.a
Link:
https://opentip.kaspersky.com/f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1/results?tab=lookup
Verdict:
Malware
YARA:
2 match(es)
Tags:
Execution: CMD in LNK LNK LOLBin LOLBin:cmd.exe Malicious T1059.003 T1202: Indirect Command Execution T1204.002
Link:
https://app.malva.re/file/bffff31debbdce89c57fe3b6850e85fa
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1
Threat name:
Shortcut.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-11-14 02:01:31 UTC
File Type:
Binary
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6cejrp7jb27aylnj4iarg3le3mhmrz4ioeho635wbtriorbfpwyq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:newest execution persistence spyware trojan
Link:
https://tria.ge/reports/251114-p54vpsbp3w/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Drops file in System32 directory
Checks computer location settings
Executes dropped EXE
Badlisted process makes network request
Downloads MZ/PE file
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
146.190.110.91:13000
193.161.193.99:13000
139.59.23.248:13000
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Execution_in_LNK
Create hunting rule
Author:@bartblaze
Description:Identifies execution artefacts in shortcut (LNK) files.
Rule name:LNK_sospechosos
Create hunting rule
Author:Germán Fernández
Description:Detecta archivos .lnk sospechosos

File information

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

CoinMiner

Shortcut (lnk) lnk 4743c305a4fd08ac36fe1f52f5c6d2933bbad2d727ab64fe5bffa9b73c3b2f21

QuasarRAT

Shortcut (lnk) lnk f08898bfe90ebe0c2da9e201136d64db0ec8e788710eef6fb60ce28744257db1

(this sample)

  
Dropped by
SHA256 4743c305a4fd08ac36fe1f52f5c6d2933bbad2d727ab64fe5bffa9b73c3b2f21
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3707809/
  
Dropped by
MD5 8ef445fb54bd20c9fef97eb006cbb14f

Comments