MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37. 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: 18


Intelligence 18 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37
SHA3-384 hash: 4a3bd9e0f73133bec17691f7db06fbed9e3e188d81425fe3e8ff090d82bda4fd91f7f293515aec84ed56dd7b119d1c58
SHA1 hash: 64786cd127c6576d1056e44ab0f0a40dbbdfa5d2
MD5 hash: a0e75a488aada1015c802443d276034d
humanhash: pizza-indigo-oscar-mango
File name:UClient.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:4'661'248 bytes
First seen:2025-03-24 20:51:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 98304:rANo8+VP+Ma/cxDbauY9Ea+ChbUYQYKrO5PYYnOqdggoNJ:xdfec2+0EDQwYOq
Threatray 1'626 similar samples on MalwareBazaar
TLSH T151268CA2B549F1DFE08E5678C027CD42A96C03F54B1149C3EC7D76FA6E63EC421AAD24
TrID 46.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
29.5% (.EXE) Win64 Executable (generic) (10522/11/4)
12.6% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Generic Win/DOS Executable (2002/3)
5.6% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
Reporter BastianHein
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
426
Origin country :
CL CL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UClient.exe
Verdict:
Malicious activity
Analysis date:
2025-03-24 21:03:22 UTC
Tags:
xworm remote
Link:
https://app.any.run/tasks/c97788a7-ccc0-4cdd-bd98-7d017270a385

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-10002074-1
Create hunting rule

Win.Packed.Msilzilla-10019837-0
Create hunting rule

Win.Packed.Loveletter-10023052-0
Create hunting rule

Win.Packed.Loveletter-10024677-0
Create hunting rule

Win.Packed.Msilzilla-10026193-0
Create hunting rule

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL
Create hunting rule

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67e1c89abb84e066269e9fef
Tags:
vmdetect asyncrat
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm anti-vm asyncrat backdoor evasive fingerprint njrat obfuscated overlay packed packer_detected rat reconnaissance vbnet xworm
Link:
https://www.filescan.io/uploads/67e1c601de7b23ce171f5eba/reports/7856fc2a-3e92-4a18-911c-ba04103c3304/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37
Result
Verdict:
MALICIOUS
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/74167dee-99ec-49e5-bb89-06a52c7c2764
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1647473
Behaviour
Behavior Graph:
n/a
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37/
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-03-24 20:52:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zg3etwuo3uir44th3trvbiizuyzru3hdgyb4f6ph66ds7gapti3q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
75096dda61a68ec57361d1d25972a28b7fce9c676490ec2aa4aa3e018536977e
AsyncRAT
810e347b05bec3d24178a9f5330d73d85b67f28c6e5e7d82c254743619dd0d0c
AsyncRAT
9904046c6660fca6d52d9543a1dea3f32822f00ed7fc3941b5f295602fae174a
AsyncRAT
c6d53119ad485eb2f814e3a70307deba2e9b9a7635a774256a03cecbfff6f13e
AsyncRAT
error
AsyncRAT
fdef3bd7f14535f73bfcbe2741792c3c2c9cd10af69be1bd1bc1c41d5daeb71c
AsyncRAT
+ 1'616 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm rat trojan
Link:
https://tria.ge/reports/250324-znt92swsct/
Behaviour
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Drops startup file
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
154.201.68.225:7000
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
win_mal_XWorm MALWARE_Win_XWorm
Link:
https://app.threat.zone/submission/cf5591eb-72e5-4e10-9e0b-90da2bcb005c
Unpacked files
SH256 hash:
c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37
MD5 hash:
a0e75a488aada1015c802443d276034d
SHA1 hash:
64786cd127c6576d1056e44ab0f0a40dbbdfa5d2
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/ef1c30da-8449-48ea-a8ca-a28d0bbfe03f/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c9b649da8edd/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/c9b649da8edd111e7267dce350a119a6331a6ce33603c2f9e7f7872f980f9a37

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

File information

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

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical

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