Analysis

  • max time kernel
    125s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    26-05-2024 15:54

General

  • Target

    ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe

  • Size

    85KB

  • MD5

    d9f622dd3ba5ba4e70a51e7d690e8019

  • SHA1

    e7a5149a04e34782d8cf95248955d726df26ad72

  • SHA256

    ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526

  • SHA512

    a0cbeafabfcd916e132f8d4bfcc69adb280022a107102199cd99372fb8b76fc08332f9d24863eab19f264e697b3340917a85073a7a5be76e158abcca3145b1a7

  • SSDEEP

    1536:X8cC9V4pEQ5RZxzK1bgB+bN4JdErIlkUH66q7ICKO7JIbVhk:X82DZ3B+bN1IlLHWUdO9I5hk

Malware Config

Extracted

Family

xworm

C2

character-estimate.gl.at.ply.gg:61192

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Chrome.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • 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.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe
    "C:\Users\Admin\AppData\Local\Temp\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1916
    • 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\ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2972
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'ca83463a0b08d1a04d19a0a28e11e6a8123753061a91e21dbf09a1aba55e1526.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2588
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Chrome.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2636
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Chrome.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2900

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

    Filesize

    7KB

    MD5

    e94176206cabaebce068e4d2ea867e7a

    SHA1

    c2830e16b2b0ad195348cb5662de89c4bc9fd7f8

    SHA256

    af65742422c0aaf57a183eb0876cdd74ebb23158916195443925301e86c50ebf

    SHA512

    8a6f2e32f4fedde1d8d2994adc6b00cbd9a7e6684080684e8b85463a40768ac64f2baf9805faff43569450a717e63e09d04692b81a077641da860279538371e0

  • memory/1916-0-0x000007FEF6193000-0x000007FEF6194000-memory.dmp

    Filesize

    4KB

  • memory/1916-1-0x0000000000BE0000-0x0000000000BFC000-memory.dmp

    Filesize

    112KB

  • memory/1916-30-0x000000001B130000-0x000000001B1B0000-memory.dmp

    Filesize

    512KB

  • memory/1916-31-0x000007FEF6193000-0x000007FEF6194000-memory.dmp

    Filesize

    4KB

  • memory/1916-32-0x000000001B130000-0x000000001B1B0000-memory.dmp

    Filesize

    512KB

  • memory/2588-14-0x000000001B7F0000-0x000000001BAD2000-memory.dmp

    Filesize

    2.9MB

  • memory/2588-15-0x0000000002860000-0x0000000002868000-memory.dmp

    Filesize

    32KB

  • memory/2972-6-0x00000000029C0000-0x0000000002A40000-memory.dmp

    Filesize

    512KB

  • memory/2972-7-0x000000001B880000-0x000000001BB62000-memory.dmp

    Filesize

    2.9MB

  • memory/2972-8-0x0000000001F40000-0x0000000001F48000-memory.dmp

    Filesize

    32KB