MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 820bb1a31f421b90ea51efc3e71cc720c8c2784fb1e882e732e8fafb8631a389. 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: 15


Intelligence 15 IOCs YARA 9 File information Comments

SHA256 hash: 820bb1a31f421b90ea51efc3e71cc720c8c2784fb1e882e732e8fafb8631a389
SHA3-384 hash: aedaa7b27c63c8f18f56e1e82cac1a2d17918ea07f13ba968032af4ff6fdd91197c5d1b654b1fcf904ee4fbfbd81528d
SHA1 hash: a4990fa7a173630382fcca91e20911727009d81e
MD5 hash: d204151369e95d04cfbfbfc4c798bde7
humanhash: fourteen-minnesota-alabama-fish
File name:XClient_1.bin
Download: download sample
Signature XWorm
File size:38'400 bytes
First seen:2023-08-30 06:58:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 768:AiPuZuVxjgLLFmwR+rj561216LH/FP192HOph6ro:FGZuPgLq96McLfFt92HOpqo
Threatray 183 similar samples on MalwareBazaar
TLSH T16F035C4837E58315E6FE6FF02973A1054279F90B5913EB5E0CD489DA2F337818A427EA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter JAMESWT_WT
Tags:exe xworm

Intelligence


File Origin
# of uploads :
1
# of downloads :
276
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
XClient.exe
Verdict:
Malicious activity
Analysis date:
2023-08-16 17:08:23 UTC
Tags:
xworm remote

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file
Launching a process
Creating a process with a hidden window
Creating a window
Enabling the 'hidden' option for recently created files
DNS request
Sending a custom TCP request
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-vm cmd explorer greyware lolbin masquerade packed replace schtasks
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Drops PE files to the user root directory
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected XWorm
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.XWorm
Status:
Malicious
First seen:
2023-08-24 16:49:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xworm persistence rat trojan
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Executes dropped EXE
Xworm
Malware Config
C2 Extraction:
16.ip.gl.ply.gg:15179
Unpacked files
SH256 hash:
820bb1a31f421b90ea51efc3e71cc720c8c2784fb1e882e732e8fafb8631a389
MD5 hash:
d204151369e95d04cfbfbfc4c798bde7
SHA1 hash:
a4990fa7a173630382fcca91e20911727009d81e
Detections:
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: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: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:win_delivery_check_g0

File information


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

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