MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9. 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: 19


Intelligence 19 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
SHA3-384 hash: 794be3a26933c25e9f2ade37e0683e9974b0d10b68560dafefb00d0443468fbeab22f2c3a5b8ec5be495b80e6e00725d
SHA1 hash: d22ca7b8b27710b5fc86a9b0e8966cd350e73972
MD5 hash: 95ca5b8c1bfcd91a4b4a48d22baf16e2
humanhash: orange-delta-island-lake
File name:Contract_537_18_06_26.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:730'112 bytes
First seen:2026-06-18 06:02:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'075 x AgentTesla, 20'033 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 12288:2TIFzrn09ESPhv0OIcsCKuKMtyJdl27KFQYFghrl58TYTqqRqtEEfFrlhvAWJdby:yIFzrn0HJJRKsyBqOgf58TAqc0fFZyyY
Threatray 175 similar samples on MalwareBazaar
TLSH T18AF4220C710DC99BE4624BBD9A60F73913BA6C9CA623E6498FF5BCCF35677240890761
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 71e0ccd6f2e4f471 (1 x Formbook, 1 x AsyncRAT, 1 x PhantomStealer)
Reporter lowmal3
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
168
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/45b68a8a-28f9-4d8d-99e7-a6d09271764a/
Malware family:
n/a
ID:
1
File name:
_c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9.exe
Verdict:
Malicious activity
Analysis date:
2026-06-18 06:04:11 UTC
Tags:
auto-reg auto-startup xworm remote
Link:
https://app.any.run/tasks/a7c9edb1-349f-4423-8c04-b0ee7ca9c815

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/71124/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.82881368.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6a3389e754a045c3408a160c
Tags:
autorun shell virus sage
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
Creating a process with a hidden window
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed vbnet
Link:
https://www.filescan.io/uploads/6a338a069799578a6c3f0458/reports/76e8a00f-c029-4c4c-b832-e81204ad7754/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-18T02:04:00Z UTC
Last seen:
2026-06-18T02:55:00Z UTC
Hits:
~100
Detections:
Backdoor.MSIL.XWorm.c PDM:Trojan.Win32.Tasker.cust VHO:Trojan-Spy.MSIL.Noon.gen Trojan.Win32.Agent.sb Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb Backdoor.MSIL.XWorm.b Backdoor.MSIL.XWorm.a PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C
Link:
https://opentip.kaspersky.com/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9/results?tab=lookup
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/35b54047-7cea-404b-accb-9ea4f890e194
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1929743
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential Privilege Escalation using Task Scheduler highest RunLevel
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1929743 Sample: Contract_537_18_06_26.exe Startdate: 18/06/2026 Architecture: WINDOWS Score: 100 62 Suricata IDS alerts for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 10 other signatures 2->68 8 Contract_537_18_06_26.exe 3 2->8         started        12 bin.exe 2->12         started        14 bin.exe 2->14         started        16 5 other processes 2->16 process3 file4 58 C:\Users\...\Contract_537_18_06_26.exe.log, ASCII 8->58 dropped 74 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->74 76 Bypasses PowerShell execution policy 8->76 78 Uses schtasks.exe or at.exe to add and modify task schedules 8->78 84 2 other signatures 8->84 18 Contract_537_18_06_26.exe 1 5 8->18         started        80 Multi AV Scanner detection for dropped file 12->80 82 Injects a PE file into a foreign processes 12->82 23 bin.exe 12->23         started        25 bin.exe 14->25         started        27 bin.exe 14->27         started        29 bin.exe 16->29         started        31 bin.exe 16->31         started        33 bin.exe 16->33         started        35 2 other processes 16->35 signatures5 process6 dnsIp7 60 109.248.150.234, 443, 49690 DATACLUB-NLLV Netherlands 18->60 56 C:\Users\user\AppData\Roaming\bin.exe, PE32 18->56 dropped 70 Adds a directory exclusion to Windows Defender 18->70 37 powershell.exe 23 18->37         started        40 powershell.exe 23 18->40         started        42 powershell.exe 23 18->42         started        44 2 other processes 18->44 file8 signatures9 process10 signatures11 72 Loading BitLocker PowerShell Module 37->72 46 conhost.exe 37->46         started        48 conhost.exe 40->48         started        50 conhost.exe 42->50         started        52 conhost.exe 44->52         started        54 conhost.exe 44->54         started        process12
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdbylqilcwdhfayy6q5z3sx6z7kg3dlaacme7zejxmosdhviwt4q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
09b357949e60b7cfd0a455ae4bfeb95bbc287ba8c55aaa7813e08327db251499
AsyncRAT
51935015f140db78911cab15b0d4aad0f64bbfe742ed3ca5e037cad03a1978b7
AsyncRAT
9137813c72436292c576c8312df2a2ef14507ff4c4a885fb29362ef57e9b01cf
AsyncRAT
b0907be21611ebfd894794d1d17d11d7a471ea30be20c4adab119b61ea3f90c9
AsyncRAT
c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
AsyncRAT
error
AsyncRAT
+ 165 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm collection discovery execution persistence rat spyware stealer trojan
Link:
https://tria.ge/reports/260618-grg5sag18x/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Family: Xworm
Malware Config
C2 Extraction:
109.248.150.234:443
Unpacked files
SH256 hash:
c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9
MD5 hash:
95ca5b8c1bfcd91a4b4a48d22baf16e2
SHA1 hash:
d22ca7b8b27710b5fc86a9b0e8966cd350e73972
Link:
https://www.unpac.me/results/3d0b0056-d6c7-4418-8bc6-3ba8b45f813f/
SH256 hash:
f9183d461a9ef71e1a0a97ddef54f5a785c3d4fa1ac6cb979a82206a52037928
MD5 hash:
ef3e974cb8bc7d3ab1ad98f55b7ba7c3
SHA1 hash:
7466eb7f8f9b5b57bb28e1d0493c390aba833da9
Detections:
win_xworm_a0
Create hunting rule
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/3d0b0056-d6c7-4418-8bc6-3ba8b45f813f/
SH256 hash:
09f0d4777eeb322290a8c8323eab7acf6fa1f97cf1f5813d58df177ee0f8d50d
MD5 hash:
c207af7bd36b6a119aacf5e1a8cf2d8c
SHA1 hash:
856c1fc0412c334571f472f2f4c2489e040cd5d0
Link:
https://www.unpac.me/results/3d0b0056-d6c7-4418-8bc6-3ba8b45f813f/
SH256 hash:
41fbe8583c45a06479f3bfe05505470a05b58cd0226d202760ac0768728bb72a
MD5 hash:
f69d0d67cdd9ee243a5800404115329d
SHA1 hash:
f177e63d7795d023b75530136baefbc783e28466
Link:
https://www.unpac.me/results/3d0b0056-d6c7-4418-8bc6-3ba8b45f813f/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8c385c10b15/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/c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
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:NET
Create hunting rule
Author:malware-lu
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:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:win_dotnet_vb_stealer_rat
Create hunting rule
Author:Arrbat
Description:Detects .NET/VB executables with stealer/RAT capabilities (sockets, HTTP, processes, registry, etc).
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
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.

Malspam

AsyncRAT

Executable exe c8c385c10b1586728318f43b9dcafecfd46d8d6000984fe489bb1d219ea8b4f9

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/71124/

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