MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924. 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


AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 4 File information Comments
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SHA256 hash: f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924
SHA3-384 hash: 7da6b68305b403d534a6e2c2641e00d4296f1ae0300627030c35ab1f26124a7d867c43e2e97b548078837ab728a23f51
SHA1 hash: c7ba6544b1f7a7347bcb55bbaac7cd4eddfe071a
MD5 hash: edc1238ebe1c632122edf17786ef3a4d
humanhash: diet-autumn-timing-potato
File name:AOFBtqCUbuno9k8.rar
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:438'039 bytes
First seen:2026-05-21 13:56:23 UTC
Last seen:Never
File type: rar
MIME type:application/x-rar
ssdeep 6144:mYrFcMi4ALsE/gxX/Brq6tCW2xMiSEcClRDEHAoGqZHq0YUMo7kALqQ2HC:mUFzVEs/Rq6n4M8c29EHAoZZPjvz2HC
TLSH T1EF942311A73E971966342BE520CCBF80DBE6383A512E5F2821BF3E5367BCD29C45588D
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Magika rar
Reporter TomU
Tags:AsyncRAT rar

Intelligence

File Origin
# of uploads :
1
# of downloads :
31
Origin country :
CH CH
File Archive Information

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

File name:AOFBtqCUbuno9k8.exe
File size:565'760 bytes
SHA256 hash: d8a9180da33ecaa39821ee77065c78cdf428a2c83afdbfa923e4db651b859961
MD5 hash: 4940da1a6d964cc9090584fdb9ff306d
MIME type:application/x-dosexec
Signature AsyncRAT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/bfe58a8d-0e1b-4608-a395-a642eae74baa/
Detection(s):
SecuriteInfo.com.BackDoor.AgentTesla-33.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a0f14f633e785de369c6438
Tags:
asyncrat virus msil
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap obfuscated packed packed reconnaissance roboski stego vbnet
Link:
https://www.filescan.io/uploads/6a0f135aefbd399b39c365d4/reports/358f7967-c336-419e-8330-678dbbbf6b78/overview
Verdict:
Suspicious
Labled as:
Malware.Generic
Link:
https://www.hybrid-analysis.com/sample/f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924
Verdict:
Malicious
File Type:
rar
First seen:
2024-11-13T14:34:00Z UTC
Last seen:
2026-05-21T11:32:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924/results?tab=lookup
Gathering data
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924/
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2024-11-04 08:15:40 UTC
File Type:
Binary (Archive)
Extracted files:
12
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jj43gad6774yuqs7vqq7djjph6fen3ax4sfnvaome2k2uv3resa._file
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default discovery rat
Link:
https://tria.ge/reports/260521-sc8vqsaz8v/
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Family: AsyncRat
Malware Config
C2 Extraction:
cuit.ydns.eu:1960
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AsyncRAT

rar f253cd9803f7ffcc5212fd610f8d2979fc523760bf2456d40e6134ad52bb8924

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments