MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 739506a71a7f9f34a2f44202d2fedbde0cde8b47ad4de5a01175905989cc20c4. 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: 18


Intelligence 18 IOCs 1 YARA 5 File information Comments

SHA256 hash: 739506a71a7f9f34a2f44202d2fedbde0cde8b47ad4de5a01175905989cc20c4
SHA3-384 hash: 87268015dc9ec61d861a794c057ae8f0f1ea9cea83ebeb3d019a4ac2a04f874ae78c39e16bf365e61ea36fe19aa2cbea
SHA1 hash: 11abee7f90f66c1172c87d9ceb0f49628afc81c9
MD5 hash: 7e6d0d20c46439b3a0d937f5368652a3
humanhash: michigan-enemy-robin-aspen
File name:bXworm5.7.exe
Download: download sample
Signature XWorm
File size:18'183'680 bytes
First seen:2025-08-21 01:40:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'757 x AgentTesla, 19'665 x Formbook, 12'254 x SnakeKeylogger)
ssdeep 393216:OVJ0SQcWxzfVUMOzJ+ltdGQNZlK1GovOC+I/m9jzQqyPQ:oLQcWdVnOtWXGQTlK19+IO9QqI
Threatray 1'398 similar samples on MalwareBazaar
TLSH T1FD0733ED49D98F42E0DD4FBA407337BC477C1E132A574451D9002CEC6ABAD9A4AF5AB0
TrID 75.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.9% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.EXE) Win32 Executable (generic) (4504/4/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
2.1% (.EXE) OS/2 Executable (generic) (2029/13)
Magika pebin
dhash icon b2b2b2bae8bab28c (17 x Formbook, 11 x AgentTesla, 9 x XWorm)
Reporter abuse_ch
Tags:exe xworm


Avatar
abuse_ch
XWorm C2:
147.185.221.31:15923

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.185.221.31:15923 https://threatfox.abuse.ch/ioc/1571930/

Intelligence


File Origin
# of uploads :
1
# of downloads :
76
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b_Xworm5.7.exe
Verdict:
Malicious activity
Analysis date:
2025-08-21 01:22:11 UTC
Tags:
evasion auto-startup auto-reg xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
asyncrat dropper virus micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Searching for the window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Connection attempt to an infection source
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a global event handler for the keyboard
Query of malicious DNS domain
Sending a TCP request 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:
obfuscated obfuscated packed vbnet
Result
Threat name:
AsyncRAT, StormKitty, SugarDump, XWorm
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
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
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
Check if machine is in data center or colocation facility
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture screen (.Net source)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to log keystrokes (.Net Source)
Disable Task Manager(disabletaskmgr)
Disables the Windows task manager (taskmgr)
Found malware configuration
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
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected BrowserPasswordDump
Yara detected RUNPE
Yara detected StormKitty Stealer
Yara detected SugarDump
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected UAC Bypass using CMSTP
Yara detected XWorm
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1761547 Sample: bXworm5.7.exe Startdate: 21/08/2025 Architecture: WINDOWS Score: 100 84 too-decorating.gl.at.ply.gg 2->84 86 ip-api.com 2->86 92 Suricata IDS alerts for network traffic 2->92 94 Found malware configuration 2->94 96 Malicious sample detected (through community Yara rule) 2->96 98 25 other signatures 2->98 10 bXworm5.7.exe 3 4 2->10         started        14 windowsUpdater.exe 2->14         started        16 windowsUpdater.exe 2->16         started        18 3 other processes 2->18 signatures3 process4 file5 72 C:\Users\user\AppData\Local\XClient.exe, PE32 10->72 dropped 74 C:\Users\user\AppData\...\bXworm5.7.exe.log, CSV 10->74 dropped 110 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->110 20 unarchiver.exe 4 10->20         started        22 XClient.exe 23 7 10->22         started        signatures6 process7 dnsIp8 27 7za.exe 120 20->27         started        88 too-decorating.gl.at.ply.gg 147.185.221.31, 15923, 49694, 49695 SALSGIVERUS United States 22->88 90 ip-api.com 208.95.112.1, 49690, 80 TUT-ASUS United States 22->90 68 C:\Users\user\AppData\...\windowsUpdater.exe, PE32 22->68 dropped 70 C:\Users\user\AppData\Local\...\tmp526D.tmp, PE32+ 22->70 dropped 100 Multi AV Scanner detection for dropped file 22->100 102 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 22->102 104 Protects its processes via BreakOnTermination flag 22->104 106 6 other signatures 22->106 30 patfhu.exe 22->30         started        33 powershell.exe 23 22->33         started        35 powershell.exe 22->35         started        37 3 other processes 22->37 file9 signatures10 process11 file12 76 C:\Users\user\AppData\Local\...\XWorm.exe, PE32 27->76 dropped 78 C:\Users\user\AppData\Local\...\WebCam.dll, PE32 27->78 dropped 80 C:\Users\user\AppData\Local\...\WSound.dll, PE32 27->80 dropped 82 82 other malicious files 27->82 dropped 39 conhost.exe 27->39         started        112 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 30->112 114 Protects its processes via BreakOnTermination flag 30->114 116 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 30->116 118 Adds a directory exclusion to Windows Defender 30->118 41 powershell.exe 30->41         started        44 powershell.exe 30->44         started        46 powershell.exe 30->46         started        54 2 other processes 30->54 120 Loading BitLocker PowerShell Module 33->120 48 conhost.exe 33->48         started        50 conhost.exe 35->50         started        52 conhost.exe 37->52         started        56 2 other processes 37->56 signatures13 process14 signatures15 108 Loading BitLocker PowerShell Module 41->108 58 conhost.exe 41->58         started        60 conhost.exe 44->60         started        62 conhost.exe 46->62         started        64 conhost.exe 54->64         started        66 conhost.exe 54->66         started        process16
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.87 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Spyware.AsyncRAT
Status:
Malicious
First seen:
2025-08-21 01:22:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
22 of 24 (91.67%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm rat trojan
Behaviour
Modifies registry class
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Detect Xworm Payload
Xworm
Xworm family
Malware Config
C2 Extraction:
too-decorating.gl.at.ply.gg:15923
Verdict:
Malicious
Tags:
External_IP_Lookup
YARA:
n/a
Unpacked files
SH256 hash:
739506a71a7f9f34a2f44202d2fedbde0cde8b47ad4de5a01175905989cc20c4
MD5 hash:
7e6d0d20c46439b3a0d937f5368652a3
SHA1 hash:
11abee7f90f66c1172c87d9ceb0f49628afc81c9
SH256 hash:
ff21d2413139ec4f8d94b13637052aa1c4f9b2f91083874fd6ebb5f1b550b97c
MD5 hash:
411c70f901d82d22ecf93b5ff0dd70c4
SHA1 hash:
6cb33cb14281a72515ca71dfafd3b7f3a3fb8eee
Detections:
win_xworm_w0 XWorm win_xworm_bytestring win_mal_XWorm INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA MALWARE_Win_AsyncRAT MALWARE_Win_XWorm
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_AllMal_Detector
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

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

Comments