MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840. 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: 10


Intelligence 10 IOCs YARA 18 File information Comments
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SHA256 hash: 879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840
SHA3-384 hash: 847ce3d5effd1f7303e61b88e551bbb3ea5dda5de2e2b2a4655efa869f7ab678167e17343f610e3f26be0228204f9f6b
SHA1 hash: 48c111e549ac17c3d62af63a500c19c0762be649
MD5 hash: 751aa6826fb62eda1f24206cbe76f785
humanhash: cold-oscar-stream-pip
File name:Orden de Compra _QO9944466788.js
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'034'913 bytes
First seen:2026-08-13 11:31:48 UTC
Last seen:Never
File type:Java Script (JS) js
MIME type:text/plain
ssdeep 96:DsxVJ/V1FJoJJiVFJ4rViJJTHnrd6/QVJblYATiKroJrxVw1V2XZQITJXVeJsXv1:rMzIX2+X26u7vNm
TLSH T127250DF2774B6A0DB1947706DFBAABFED742DD25B85446FF360AC2778850B018801E68
Magika javascript
Reporter abuse_ch
Tags:AsyncRAT js RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
139
Origin country :
SE SE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
obfuscated repaired
Link:
https://www.filescan.io/uploads/6a7dab60ee5cf3bc1eadc04b/reports/c54132e6-17f3-4a76-894a-350042191566/overview
Verdict:
Malicious
Labled as:
JS/TrojanDownloader.Agent
Link:
https://www.hybrid-analysis.com/sample/879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840
Verdict:
Malicious
File Type:
js
First seen:
2026-08-12T12:29:00Z UTC
Last seen:
2026-08-15T00:49:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840/results?tab=lookup
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1957456
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Creates processes via WMI
Drops script or batch files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
JavaScript source code contains functionality to generate code involving a shell, file or stream
JavaScript source code contains functionality to generate code involving HTTP requests or file downloads
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Obfuscated command line found
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: Base64 Encoded PowerShell Command Detected
Sigma detected: Drops script at startup location
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Suspicious execution chain found
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1957456 Sample: Orden de Compra _QO9944466788.js Startdate: 13/08/2026 Architecture: WINDOWS Score: 100 54 keyauth.win 2->54 60 Suricata IDS alerts for network traffic 2->60 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 19 other signatures 2->66 9 powershell.exe 14 15 2->9         started        13 wscript.exe 1 3 2->13         started        16 wscript.exe 1 2->16         started        signatures3 process4 dnsIp5 58 193.104.58.65, 49724, 49729, 80 BANDWIDTH-ASGB United Kingdom 9->58 82 Writes to foreign memory regions 9->82 84 Injects a PE file into a foreign processes 9->84 18 CasPol.exe 2 6 9->18         started        22 conhost.exe 9->22         started        48 Orden de Compra _Q....js:Zone.Identifier, ASCII 13->48 dropped 50 C:\Users\...\Orden de Compra _QO9944466788.js, Unicode 13->50 dropped 86 Suspicious powershell command line found 13->86 88 Wscript starts Powershell (via cmd or directly) 13->88 90 Obfuscated command line found 13->90 92 4 other signatures 13->92 24 powershell.exe 16->24         started        file6 signatures7 process8 dnsIp9 56 155.103.69.171, 1122, 49730, 49732 WHITELABELUS United States 18->56 68 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 18->68 70 Tries to steal Mail credentials (via file / registry access) 18->70 72 Tries to harvest and steal browser information (history, passwords, etc) 18->72 74 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 18->74 26 CasPol.exe 18->26         started        29 csc.exe 4 18->29         started        32 csc.exe 3 18->32         started        76 Installs a global keyboard hook 22->76 78 Writes to foreign memory regions 24->78 80 Injects a PE file into a foreign processes 24->80 34 conhost.exe 24->34         started        36 CasPol.exe 3 24->36         started        38 CasPol.exe 24->38         started        signatures10 process11 file12 94 Antivirus detection for dropped file 26->94 52 C:\Users\user\AppData\Local\Temp\CasPol.exe, PE32 29->52 dropped 40 conhost.exe 29->40         started        42 cvtres.exe 1 29->42         started        44 conhost.exe 32->44         started        46 cvtres.exe 32->46         started        96 Installs a global keyboard hook 34->96 signatures13 process14
Score:
10%
Verdict:
Benign
File Type:
SCRIPT
Link:
https://malprob.io/report/879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840
Gathering data
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-08-13 01:20:19 UTC
File Type:
Binary
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q6ndv4u657zx45mlusm2cd2wsmrh7wnauik6pins6gjprvp35baa._file
Verdict:
malicious
Label(s):
XWorm
Create hunting rule
Link:
https://reports.threatray.com/77e3b376-e88e-4cb0-9cb6-fc3bad5f3cb6
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution persistence privilege_escalation rat trojan
Link:
https://tria.ge/reports/260813-nnmpesyaqd/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: JavaScript
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Command and Scripting Interpreter: PowerShell
Creates a file in the Startup directory
Executes dropped EXE
Badlisted process makes network request
Detect Xworm Payload
Family: Xworm
Process spawned unexpected child process
Malware Config
C2 Extraction:
155.103.69.171:1122
Dropper Extraction:
http://193.104.58.65/yurumpmonday.png
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/879a3af29eeff37e758ba499a10f5693227fd9a0a215e7a1b2f192f8d5fbe840

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: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:rat_win_xworm_v3
Create hunting rule
Author:Sekoia.io
Description:Finds XWorm (version XClient, v3) samples based on characteristic strings
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:Windows_Trojan_XWorm_b7d6eaa8
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Create hunting rule
Author:jeFF0Falltrades

File information

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

Comments