MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac1c76c983773c1563b96fb7a2afa87153051740d28f6f0e135601798277d94b. 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: 17


Intelligence 17 IOCs YARA 19 File information Comments

SHA256 hash: ac1c76c983773c1563b96fb7a2afa87153051740d28f6f0e135601798277d94b
SHA3-384 hash: 2edea5e90efef3b9bb14197b0be2dd77ed5c1f652413eb391f03c7bf0b1a54e6a6a0f8b5a83aab455b4363b2a783e775
SHA1 hash: 4b31a0f045eb54db9bbc4b76d99b30e623659471
MD5 hash: 4ec86b141d69bcb4097089badcb6c924
humanhash: spring-summer-eleven-harry
File name:VNXCVNG22.exe
Download: download sample
Signature XWorm
File size:137'216 bytes
First seen:2025-07-03 09:16:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:kpze8GzalsndHwjxV9zO4W9HIvjNVR2sGXukxQJa:kuadNV9zO9Hmz2sGXukxQJ
Threatray 1'737 similar samples on MalwareBazaar
TLSH T1CFD3069D725032EFC867D472DEA81CA4EA6074BB571B9203D02712EDAE4D99BCF540F2
TrID 28.5% (.EXE) Win64 Executable (generic) (10522/11/4)
17.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
13.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
12.2% (.EXE) Win32 Executable (generic) (4504/4/1)
5.6% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rl_ac1c76c983773c1563b96fb7a2afa87153051740d28f6f0e135601798277d94b
Verdict:
Malicious activity
Analysis date:
2025-07-03 09:36:51 UTC
Tags:
auto-startup xworm

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
autorun shell spawn virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Sending a custom TCP request
Forced shutdown of a system process
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 confuser confuserex obfuscated obfuscated packed packed packer_detected
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.XWormRAT
Status:
Malicious
First seen:
2025-07-03 09:17:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm collection discovery execution rat spyware stealer trojan
Behaviour
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
Checks computer location settings
Drops startup file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Xworm family
Unpacked files
SH256 hash:
ac1c76c983773c1563b96fb7a2afa87153051740d28f6f0e135601798277d94b
MD5 hash:
4ec86b141d69bcb4097089badcb6c924
SHA1 hash:
4b31a0f045eb54db9bbc4b76d99b30e623659471
SH256 hash:
6cf3c063d588eb96f3209293c1e2071d660c663f5dccef6c855aa7e582081df2
MD5 hash:
666119df05ec4335dd144f1b5ae2035f
SHA1 hash:
0f9af9073e5382ee5a02938b058932e618631c3d
SH256 hash:
0661c94e4da5689b0934cdc64ac8a80e52836893ce8da91e12461bee10dc5825
MD5 hash:
fedca0991881f42dc02050e0c3ecef46
SHA1 hash:
224c718d0d02a77e01fd58bfdd85266558a8f298
Detections:
win_xworm_w0 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:ByteCode_MSIL_Backdoor_AsyncRAT
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_EXE_Packed_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:win_xworm_w0
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:xworm
Author:jeFF0Falltrades
Rule name:xworm_kingrat
Author:jeFF0Falltrades

File information


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

Malspam

XWorm

Executable exe ac1c76c983773c1563b96fb7a2afa87153051740d28f6f0e135601798277d94b

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

Comments