MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
SHA3-384 hash: 4c9fd7cc46c7aa974f4fdf0b0e378c4a097b855f2b7ea2966a337d8c158b991c813d0fc01b155cf7255df0c8d82c8692
SHA1 hash: 6375a556999ec72ba310fa6f7a15897e8a278562
MD5 hash: aa4b6f6668c8d0d4a90edf4387465850
humanhash: juliet-five-nine-hot
File name:stego_loader.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:799'232 bytes
First seen:2026-02-28 02:07:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bf3327fc9f37a3cdc374f0a1cbdcea9d (1 x AsyncRAT)
ssdeep 12288:y/3+qAPN9rU82uRpSHKJaLzaMuOKRiUTHHof8DLNIf2lbLAW23rewE0TeIdjjr6+:4qPN6YRY5yMuoNf82eNkW2benXSjj
Threatray 2'790 similar samples on MalwareBazaar
TLSH T17A052331D097BC3AC71B90306A57C7BBAB36D3E27649881A131DE5323FEDA42367A415
TrID 33.1% (.EXE) Win64 Executable (generic) (6522/11/2)
25.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
10.4% (.ICL) Windows Icons Library (generic) (2059/9)
10.3% (.EXE) OS/2 Executable (generic) (2029/13)
10.1% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter BastianHein
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
138
Origin country :
CL CL
Vendor Threat Intelligence
No detections
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
stego_loader.exe
Verdict:
Malicious activity
Analysis date:
2026-02-28 02:10:03 UTC
Tags:
donutloader loader asyncrat
Link:
https://app.any.run/tasks/f53a5cf1-61a9-4287-b2a3-6912448f8844

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/54961/
Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a24dda8fffa866e3b3123c
Tags:
crysan virus
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
Verdict:
Malicious
File Type:
exe x64
Detections:
Trojan.Win32.Shellcode.sb PDM:Trojan.Win32.Generic HEUR:Backdoor.MSIL.SheetRat.gen HEUR:Backdoor.MSIL.Crysan.gen Backdoor.MSIL.Crysan.mqz Backdoor.MSIL.Crysan.sb Backdoor.MSIL.Crysan.fb Backdoor.MSIL.Crysan.d Backdoor.MSIL.Crysan.c Backdoor.MSIL.Crysan.b Trojan.Win64.Agentb.sb
Link:
https://opentip.kaspersky.com/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/abae42e0-bffc-48ee-8a85-d3f3e45dc4b7
Score:
98%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242/
Verdict:
Malicious
Threat:
Family.DONUTLOADER
Link:
https://tip.neiki.dev/file/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
Threat name:
Win64.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-02-27 16:14:32 UTC
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ipb3gcds65w375tvtqwtgutwmkngmx4rsu63dmbmfxc5s4vb2jba._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
donutloader
Create hunting rule
Similar samples:
08a25e1e926752f15b0e2fc79ce07ec41656b6fb55a3da4c0b579a8dc3face0e
AsyncRAT
43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
AsyncRAT
8ac170196ffb99ebfb700476269c8303c36fe3e81f55608403ae6bd4538d89d6
AsyncRAT
a0b1944382e2fdec5e5640f45b7841b95e9c93dfa3f4e4f02b603cf1f7e68222
AsyncRAT
b999354f59d775130e8f62e9fadf47da75dd0b5d8c2957cedf89a2bb23d79026
AsyncRAT
bc0a5efbade3df89d6c58b050fa3e5ed7a23e676221ba6869fc9e011b06acb17
AsyncRAT
ec5fbe693f93c86d45335aaa6500e25e86592f5d340fad31d998f7317be42ddc
AsyncRAT
error
AsyncRAT
fc791cea301af15a8c46dfd5ddf048fbc52cb694d5e9118c41363675823a328b
AsyncRAT
+ 2'780 additional samples on MalwareBazaar
Result
Malware family:
donutloader
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat family:donutloader botnet:default loader rat
Link:
https://tria.ge/reports/260228-cj5tnagt2d/
Behaviour
AsyncRat
Asyncrat family
Detects DonutLoader
DonutLoader
Donutloader family
Unpacked files
SH256 hash:
43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242
MD5 hash:
aa4b6f6668c8d0d4a90edf4387465850
SHA1 hash:
6375a556999ec72ba310fa6f7a15897e8a278562
Link:
https://www.unpac.me/results/7736bc63-58b8-4e13-a8dc-99e74fe90c4b/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43c3b30872f7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.14
Link:
https://yomi.yoroi.company/submissions/43c3b30872f76dbff6759c2d335276629a665f91953db1b02c2dc5d972a1d242

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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:Truncated_win10_x64_NativeSysCall
Create hunting rule
Author:SBousseaden
Description:hunt of at least 3 occurences of truncated win10 x64 NativeSyscall

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/54961/

Comments