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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
SHA3-384 hash: 0295a359b9e381074e5449017f4d2421ce07dcce91486d16d3bdcb9d313b8ac7ea6f563d46484b185393335131840671
SHA1 hash: 9ae6d7f477e8931c90223d2ec46a2024d56b0bc9
MD5 hash: e0d7fd34800282da526e36cca06c423e
humanhash: white-romeo-music-twenty
File name:91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:777'216 bytes
First seen:2026-06-08 08:45:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'697 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 12288:QgfAJRkVj8GirD1x1dt1J0SfY57AZIIJcyN0/GWMBb0ZCs1Dmiz7nao/Xi3ZtZgN:QwAEFT0DTZ1JXfy7AZgyN0/1q4VMs7nx
Threatray 57 similar samples on MalwareBazaar
TLSH T1D1F40168260ED907C4960FF41D71E6F826684EC8DC25D203DBE7BEAFF87E6456940386
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
dhash icon 0000000000000000 (909 x AgentTesla, 577 x Formbook, 319 x RedLineStealer)
Reporter adrian__luca
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
193
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7c342e18-3a11-47a2-b738-795b39893eb6/
Malware family:
n/a
ID:
1
File name:
_91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960.exe
Verdict:
Malicious activity
Analysis date:
2026-06-08 09:04:15 UTC
Tags:
netreactor auto-reg xworm
Link:
https://app.any.run/tasks/7e79abdc-2687-4314-8655-0b8b0f47ad6b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/69640/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen5.33665.28988.21297.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a2681e2ae2f98c00a68c0eb
Tags:
micro shell spawn
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed similar-threat vbnet
Link:
https://www.filescan.io/uploads/6a268163bf16337e43bb11dc/reports/01d0857e-7fbd-413e-8d1d-9dbee89316f9/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-05-27T02:49:00Z UTC
Last seen:
2026-06-10T05:24:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan-PSW.MSIL.Agensla.gen Backdoor.MSIL.XWorm.c Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a HEUR:Trojan.MSIL.Injector.gen Backdoor.Agent.TCP.C&C Trojan.MSIL.Crypt.sb Trojan-Dropper.Win32.Injector.sb Backdoor.Win32.Androm.sb PDM:Trojan.Win32.Generic Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb
Link:
https://opentip.kaspersky.com/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/91a524ae-bf1c-4c6d-868f-19bcfb13c446
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
Threat name:
Win32.Backdoor.FormBook
Create hunting rule
Status:
Malicious
First seen:
2026-05-27 06:04:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
0becdb662b66302f1391bb651af0f8eadf42bac64654db18ddd13d860377cacb
AsyncRAT
0cfbc10a408c5747c977cbac7e92bee4aaac42f6fb8d3d73b6e3b0de05208ba0
AsyncRAT
2263046083f6f559100f194783e989d27b1a854977324c939734e877aa75a842
AsyncRAT
82e9f638f4235a110559bbb2e9d83c4f72c23040799c80fde7e9503cfe66aa6e
AsyncRAT
d26bede923e0b302c824ca4ab196c6ef3303e8b68a0c13ab8e3980ad7ac6d086
AsyncRAT
+ 47 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence rat trojan
Link:
https://tria.ge/reports/260608-kpkpnsay2r/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
104.168.7.219:8823
frBvNnnFYR6XR622pBE0NQ==:23
Unpacked files
SH256 hash:
91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
MD5 hash:
e0d7fd34800282da526e36cca06c423e
SHA1 hash:
9ae6d7f477e8931c90223d2ec46a2024d56b0bc9
Link:
https://www.unpac.me/results/43d763c8-5202-440b-958c-6ed15852e66d/
SH256 hash:
fa95d40a9e8245d33b1e89394c4205e3c02e96017890905aaec590064904ac4c
MD5 hash:
c46486e70b5281cf8244a30b8641b6c6
SHA1 hash:
69cbfc6243421e62bc6c80237df44d43c023cbbe
Link:
https://www.unpac.me/results/43d763c8-5202-440b-958c-6ed15852e66d/
SH256 hash:
407a4bc41fac6b393b2c95b1a376d8cc87580e259f1875bf4505465d21a1270e
MD5 hash:
289a89bc527d79972c5fabc7d95d1679
SHA1 hash:
cba5b617e25a12c863cd2f041263e093c52898b2
Detections:
win_xworm_a0
Create hunting rule
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/43d763c8-5202-440b-958c-6ed15852e66d/
Parent samples :
60e6c277f91ecda36bf0892ad26c6f6ec4aa40f41c99c0b0eea8ab7b16770b1e
adb964cf76f216318c20012708a1e916dfedc7be162432ea4c50294d35609821
91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960
c1b413f8c96547f9abefecddea7d864fdc60146d9a0b12659de973eeff1caa92
SH256 hash:
5aef543f2aaa09031143ed0b9734dd693fa81b56dfe75f546df36ea394210131
MD5 hash:
706cd7eac9f2ec43307b7b4538a39a95
SHA1 hash:
e31f3775922f260fc3ba943eb2f2770f7b3b1112
Link:
https://www.unpac.me/results/43d763c8-5202-440b-958c-6ed15852e66d/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/91a77246cfce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91a77246cfceb74040adeb24061028a06b26c824acb8092a9b2e61a154eb4960

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:NETexecutableMicrosoft
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.

Cape
Cape
https://www.capesandbox.com/analysis/69640/

Comments