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Analysis

  • max time kernel
    118s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/11/2024, 12:39

General

  • Target

    8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe

  • Size

    70KB

  • MD5

    01417d75f6d4f4e43ab50301bdfed600

  • SHA1

    f71eb0c0c8e43f82338f2ea45b41a434836f77c4

  • SHA256

    8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30

  • SHA512

    3ae6831b2aa620f262f2d7c23194b66cb52eccbd955ee8f2b5ce7cfd3e53f85070000f98a301ec67f4f0426284bd5fdf0c135533fe3c041493781dac91cbe6ac

  • SSDEEP

    1536:ujXe7voXuNLagsO7hdXvxY+CbTX9R6l4OAy8AjubP:E6wXuNLagsO1dpY+CbTtNOB8AQP

Malware Config

Extracted

Family

xworm

C2

192.168.0.3:3389

184.190.169.22:3389

192.168.0.8:3389

192.168.0.7:3389

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    Microsoft OneDrive.exe

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 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe
    "C:\Users\Admin\AppData\Local\Temp\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1460
    • 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\8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:800
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '8327399d458913b2f8b9b8d5b53d38390ba01842747eb701cc75486e57df1d30N.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:376
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionPath 'C:\ProgramData\Microsoft OneDrive.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3356
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Microsoft OneDrive.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    d85ba6ff808d9e5444a4b369f5bc2730

    SHA1

    31aa9d96590fff6981b315e0b391b575e4c0804a

    SHA256

    84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

    SHA512

    8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    77d622bb1a5b250869a3238b9bc1402b

    SHA1

    d47f4003c2554b9dfc4c16f22460b331886b191b

    SHA256

    f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb

    SHA512

    d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    d65ebc84c6b0b52901fb46f5e2b83ab5

    SHA1

    d036a0c3eb9e1616d0f7f5ca41171060c13a3095

    SHA256

    d45581b0807a0d04a70ec75e3e4575e73f148e5b4e0d3d325dfbd6400a4bfbd1

    SHA512

    88ac232e7702ebd53788cf8429d266ae367111bfccf4bc9d40ead25b552347521458ca60d320e2775b5d2edcaf8501251cb2db68b38dc000ac50463fb80865be

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    e58749a7a1826f6ea62df1e2ef63a32b

    SHA1

    c0bca21658b8be4f37b71eec9578bfefa44f862d

    SHA256

    0e1f0e684adb40a5d0668df5fed007c9046137d7ae16a1f2f343b139d5f9bc93

    SHA512

    4cf45b2b11ab31e7f67fff286b29d50ed28cd6043091144c5c0f1348b5f5916ed7479cf985595e6f096b586ab93b4b5dce612f688049b8366a2dd91863e98b70

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3urjpuqi.yfh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/800-13-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/800-14-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/800-17-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/800-12-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/800-2-0x00000202CAF40000-0x00000202CAF62000-memory.dmp

    Filesize

    136KB

  • memory/1460-1-0x00000000008B0000-0x00000000008C8000-memory.dmp

    Filesize

    96KB

  • memory/1460-0-0x00007FFCC7683000-0x00007FFCC7685000-memory.dmp

    Filesize

    8KB

  • memory/1460-53-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB

  • memory/1460-54-0x00007FFCC7680000-0x00007FFCC8141000-memory.dmp

    Filesize

    10.8MB