MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb. 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


XWorm


Vendor detections: 19


Intelligence 19 IOCs 1 YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb
SHA3-384 hash: 2b533c126d9592d1c1fc0e89de5a1b88a106d71c7bd1be4cf4daeee2ca81f9eb249fdac64d2649319bebdb273351a80a
SHA1 hash: e8d80b1e8ebded6994ed0d0e88eb0af915f1a98e
MD5 hash: 938d6bd8d6996feaf493f83e873098fe
humanhash: dakota-alpha-lake-low
File name:SO2Client.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:60'416 bytes
First seen:2025-08-10 15:05:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'481 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:1pnp1mnwV8XpvGIwrfkbNp2cotxD56PSeP6ztnOCDN:PnpEwVmikbNp2cHaz5OCR
TLSH T1F2436D1877E58125E1FFAFF059F27253DA3AF2235903DA5F24D801861727AC8CE51AE2
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
193.161.193.99:63091

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
193.161.193.99:63091 https://threatfox.abuse.ch/ioc/1567109/

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SO2Client.exe
Verdict:
Malicious activity
Analysis date:
2025-08-10 14:48:47 UTC
Tags:
auto-startup xworm
Link:
https://app.any.run/tasks/b93ffff8-a7f6-452a-95bb-4619ef73a484

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/19972/
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.Dropper.Nanocore-10024427-0
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:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6898b14efca70bd90e8db42c
Tags:
asyncrat autorun
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a window
Using the Windows Management Instrumentation requests
Query of malicious DNS domain
Connection attempt to an infection source
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm obfuscated obfuscated obfuscated packed packer_detected vbnet xworm
Link:
https://www.filescan.io/uploads/6898b5746d7bffa0a7a061c1/reports/33923550-0333-46a2-a7aa-96d145ae5b17/overview
Verdict:
Malicious
Labled as:
Jalapeno.Generic
Link:
https://www.hybrid-analysis.com/sample/8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/191be2d0-3246-4241-92be-a5515b8a3d1e
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1754072
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
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
Protects its processes via BreakOnTermination flag
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
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1754072 Sample: SO2Client.exe Startdate: 10/08/2025 Architecture: WINDOWS Score: 100 32 RUTCHECKER4765-63091.portmap.host 2->32 36 Found malware configuration 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 11 other signatures 2->42 8 SO2Client.exe 5 2->8         started        signatures3 process4 dnsIp5 34 RUTCHECKER4765-63091.portmap.host 193.161.193.99, 49693, 49694, 49695 BITREE-ASRU Russian Federation 8->34 30 C:\Users\user\AppData\...\XWormClient.exe, PE32 8->30 dropped 44 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->44 46 Protects its processes via BreakOnTermination flag 8->46 48 Bypasses PowerShell execution policy 8->48 50 Adds a directory exclusion to Windows Defender 8->50 13 powershell.exe 23 8->13         started        16 powershell.exe 23 8->16         started        18 powershell.exe 23 8->18         started        20 powershell.exe 8->20         started        file6 signatures7 process8 signatures9 52 Loading BitLocker PowerShell Module 13->52 22 conhost.exe 13->22         started        24 conhost.exe 16->24         started        26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb
Verdict:
inconclusive
YARA:
13 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.94 Win 32 Exe x86
Link:
https://app.malva.re/file/938d6bd8d6996feaf493f83e873098fe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb/
Verdict:
Malicious
Threat:
Family.XWORM
Link:
https://tip.neiki.dev/file/8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2025-08-10 14:48:48 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rsyyluyahhkksqnht5y4xhef32fubevd5z2cmm6vc563gxt35s5q._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
Similar samples:
error
XWorm
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/250810-sgy64aen8y/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Drops startup file
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
RUTCHECKER4765-63091.portmap.host:63091
Verdict:
Malicious
Tags:
rat xworm Win.Packed.njRAT-10002074-1
YARA:
MALWARE_Win_XWorm win_mal_XWorm
Link:
https://app.threat.zone/submission/4bbe80d2-2650-448b-b651-efb127d35a91
Unpacked files
SH256 hash:
8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb
MD5 hash:
938d6bd8d6996feaf493f83e873098fe
SHA1 hash:
e8d80b1e8ebded6994ed0d0e88eb0af915f1a98e
Detections:
win_xworm_w0
Create hunting rule
Link:
https://www.unpac.me/results/0803ba75-d777-4602-8e37-54fbac1200ae/
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8cb185d30039/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/8cb185d30039d4a941a79f71cb9c85de8b4092a3ee742633d5177db35e7becbb

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: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
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/19972/

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

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