Overview

overview

10

Static

static

3

2334c6e252...82.exe

windows7-x64

10

2334c6e252...82.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18/11/2024, 15:55

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682.exe

  • Size

    1.8MB

  • MD5

    515af9bc42296d2a4012945a78fc522c

  • SHA1

    338c84bdf575e7ddcb3280269cb26502d9ceabc6

  • SHA256

    2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682

  • SHA512

    e1dbeb4ac29c99bb6c1de83fe97a5119749837b22e0aa98242ac54e1b729a2b380d86457a9268d21610a63fde1b70b05f48deca316976a1e96fc540f3d219a60

  • SSDEEP

    49152:MPmiqmEQ+gM0zmOEULu1rnhgR8tub1xBEXFe3IsSN:6X+7sm9Dg2dXFMJw

Score
10/10
xwormdiscoveryevasionexecutionpersistencerattrojan

Malware Config

Extracted

Family

xworm

C2

87.120.112.33:8398

Attributes
  • Install_directory

    %AppData%

  • install_file

    XClient.exe

Signatures

  • Detect Xworm Payload 2 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm
  • Xworm family
    xworm
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
    evasion
  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Drops startup file 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    evasion
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682.exe
    "C:\Users\Admin\AppData\Local\Temp\2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Drops startup file
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:236
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '2334c6e252a91c0f07e1bce7e9d9d486485a807d2fa9b802fe411589e26e6682.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2292
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:476
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'XClient.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2664

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    3277f7ff8073bbd09c042bdc1af9516e

    SHA1

    76e56b18df25e4c9e3bdf8a7310ab1ac7808d77d

    SHA256

    99f70c177b46f8c8d5404baca1ec958330e893cb5ceda8848774c50ef0e69494

    SHA512

    29a8ccd3d33db9e3e80b2299fe155a339f8b98be53a799a88bb150ede933a644c8da411b58c98496d63a83a12c3a9d791db986284548870367e7f56b7a86ebaa

    Download Submit

  • memory/236-0-0x0000000000E00000-0x0000000001286000-memory.dmp

    Filesize

    4.5MB

    Download

  • memory/236-1-0x0000000000E00000-0x0000000001286000-memory.dmp

    Filesize

    4.5MB

    Download

  • memory/236-2-0x0000000000E00000-0x0000000001286000-memory.dmp

    Filesize

    4.5MB

    Download