Analysis

  • max time kernel
    119s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-12-2024 15:23

General

  • Target

    0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe

  • Size

    41KB

  • MD5

    be6fbbb3a3e7ccc6c952cb268b3c1b22

  • SHA1

    0ba5e06720847b661d5564334c33ea87d1b59160

  • SHA256

    0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136

  • SHA512

    d4779d70269258e72fff7e6d062048cbc1558b4c68898cfbe00fb74e5f9dcd34c9369f0981535871879ce96929dfbb44eb514bac2dd48c862d813fa3d23a3604

  • SSDEEP

    768:cGFDV1EkGq5VuKlP0Rl0hQvvdF3q9iev6TO+h2IkAC5:tFDRL5MKx07wQvFF69iu6TO+IsC5

Malware Config

Extracted

Family

xworm

Version

5.0

C2

193.161.193.99:57817

Mutex

jw11mUPspuncXMvt

Attributes
  • install_file

    USB.exe

aes.plain

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe
    "C:\Users\Admin\AppData\Local\Temp\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe"
    1⤵
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1576
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '0f2bbd800929506cfc016800e07a0db936a559a281a09dd0e7a02b0ea50be136.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2732

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\JVJTB29N58IJKAL4JSOQ.temp

    Filesize

    7KB

    MD5

    601ac1b0b876c9ac16d91808a0401df4

    SHA1

    051f1abfc2efc4a420d0de168b75e8ea954aaf48

    SHA256

    e78cdb1710d4c874e38f2c462e94886eca264902fb9b13a21f719099574f865b

    SHA512

    40c49a9fec4d85661ab1ab733ec931cfea5910ca25516ed3329a0f2451401ba4cb0423dc12001e3168cffdb61f3027c3d6029a80a3e29dc5fdff2d7e241e98d0

  • memory/1576-6-0x0000000002D00000-0x0000000002D80000-memory.dmp

    Filesize

    512KB

  • memory/1576-7-0x000000001B570000-0x000000001B852000-memory.dmp

    Filesize

    2.9MB

  • memory/1576-8-0x0000000001F80000-0x0000000001F88000-memory.dmp

    Filesize

    32KB

  • memory/2528-0-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

    Filesize

    4KB

  • memory/2528-1-0x00000000002F0000-0x0000000000300000-memory.dmp

    Filesize

    64KB

  • memory/2528-16-0x000000001AD50000-0x000000001ADD0000-memory.dmp

    Filesize

    512KB

  • memory/2528-17-0x000007FEF5B63000-0x000007FEF5B64000-memory.dmp

    Filesize

    4KB

  • memory/2528-18-0x000000001AD50000-0x000000001ADD0000-memory.dmp

    Filesize

    512KB

  • memory/2732-14-0x000000001B620000-0x000000001B902000-memory.dmp

    Filesize

    2.9MB

  • memory/2732-15-0x0000000002870000-0x0000000002878000-memory.dmp

    Filesize

    32KB