MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
SHA3-384 hash: 32a9901aec25aab9c2ba88b60e384b9020a01ea6882385b10222981ba57745d2e7795c41794aca64b09058d86a654369
SHA1 hash: f727e5362e466e96a773d68179822e602dc73663
MD5 hash: 6238d7f46c42aa6ee498121a2e271320
humanhash: island-earth-beer-steak
File name:b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:819'200 bytes
First seen:2026-08-10 15:03:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'343 x Formbook, 12'365 x SnakeKeylogger)
ssdeep 12288:r8N7m+4wsasWaxyqilf2tKZe5jUSObf6vfWDGY3iSQeR2d/9B6:r8NP4GsWaxyqiN2SepUAWDGGpQeA9s
TLSH T19305025C1A05D513C9906B785AB2E3F8173C6EEDE001D3279FEDADEBB96BE104D10292
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
Reporter adrian__luca
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/1186b4a1-a0ed-4455-aaab-0dd53df0d2b4/
Detection:
XWorm
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80142/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed xworm
Link:
https://www.filescan.io/uploads/6a79e85fc28463a7097aeb43/reports/a85a52d1-c68e-498a-bf81-5b30d03a282b/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-07-29T20:38:00Z UTC
Last seen:
2026-08-12T11:08:00Z UTC
Hits:
~1000
Link:
https://opentip.kaspersky.com/b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718/results?tab=lookup
Gathering data
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2026-07-30 00:54:05 UTC
AV detection:
18 of 24 (75.00%)
Threat level:
  2/5
Verdict:
malicious
Label(s):
XWorm
Create hunting rule
Link:
https://reports.threatray.com/9cd0c620-24fd-4b61-bb67-85f4ec397dd4
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery rat trojan
Link:
https://tria.ge/reports/260810-sp28qacj3s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
204.10.160.254:443
Unpacked files
SH256 hash:
b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
MD5 hash:
6238d7f46c42aa6ee498121a2e271320
SHA1 hash:
f727e5362e466e96a773d68179822e602dc73663
Link:
https://www.unpac.me/results/fa12f495-852b-460f-8dd1-f2d9b14050c5/
SH256 hash:
437f99471c2a322ad13405e08ee95e06a891f1c6731888321351c3e0ff58b69f
MD5 hash:
b17e96b9e4650e2e163e48c42a803118
SHA1 hash:
293e3edf404a91cacdcdd796eeca475b21828d49
Detections:
win_xworm_a0
Create hunting rule
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/fa12f495-852b-460f-8dd1-f2d9b14050c5/
Parent samples :
dc42da3571e4f907f456b2edb0b0ce4b22a66adc2f2c4d006b0c40ccdf69df77
9666e6c9474059b23b4c55a894f2a5768b0a37fee47523c281e07b7df4f2b1c6
e99693343427baa9bdfc79f00d11555bea28f50ca8e7247f9a54c2edd7d05e10
59e6303685243d077aab158429f8f407bb9b2cce3c3eb4fbaef5335afb5e61b4
b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718
SH256 hash:
6d4c5bc731b2e23fa90f0d8e916c17f57c4bf3d38278b1d02bb560cb19b85091
MD5 hash:
cd2fd8822f142d3a5f9d51f58967a218
SHA1 hash:
7d83a73965e5cdba3ecf738e3794804d3c98f8c0
Link:
https://www.unpac.me/results/fa12f495-852b-460f-8dd1-f2d9b14050c5/
SH256 hash:
4407d2d1633eb3fd34cbfb4dae718067c306523ab68c00751f0d10f60d3ed161
MD5 hash:
76dc0ce0e0ccdcf02de2f4495c2a1041
SHA1 hash:
9dd96ee45ad06fe7b42b20da1afa58debe468b3e
Link:
https://www.unpac.me/results/fa12f495-852b-460f-8dd1-f2d9b14050c5/
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/b3c339440028e5a737b5d3a3edfbfe2d353d5362ee8b692666fa08e28d201718

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/80142/

Comments