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Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/01/2025, 14:37

General

  • Target

    real shit/SamsungCommisionExternal.exe

  • Size

    63KB

  • MD5

    6f30a565049364df3068b5bc88fd36d6

  • SHA1

    2ca485eb96156bfc561acd69649cf3339da6c610

  • SHA256

    e65d7f5beb1f383e07917e867fb3b18a59a597319d152ad148b37a8924b8780d

  • SHA512

    c01edc2fe4e5ad26b9511cc0bc114221878cf961b436a091a79611ce27da69ce7cf58afdcc71d295ad25f08701b1eb16c0c298fd22fbcb69004f760ea2b89ffe

  • SSDEEP

    1536:9VbfG3pj8mIfpubPOggHEyj26+6POhjV5yD/9:/fGZrIf0bPDgkyjnPOhp5U9

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:24707

modified-begun.gl.at.ply.gg:24707

Attributes
  • Install_directory

    %AppData%

  • install_file

    USB.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.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 9 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\real shit\SamsungCommisionExternal.exe
    "C:\Users\Admin\AppData\Local\Temp\real shit\SamsungCommisionExternal.exe"
    1⤵
    • Checks computer location settings
    • 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:2804
    • 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\real shit\SamsungCommisionExternal.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3612
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'SamsungCommisionExternal.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • 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\Roaming\Smasmug'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1176
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Smasmug'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4392
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp48CC.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2604
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:3640

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

    e243a38635ff9a06c87c2a61a2200656

    SHA1

    ecd95ed5bf1a9fbe96a8448fc2814a0210fa2afc

    SHA256

    af5782703f3f2d5a29fb313dae6680a64134db26064d4a321a3f23b75f6ca00f

    SHA512

    4418957a1b10eee44cf270c81816ae707352411c4f5ac14b6b61ab537c91480e24e0a0a2c276a6291081b4984c123cf673a45dcedb0ceeef682054ba0fc19cb4

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

    Filesize

    944B

    MD5

    0aa63dbb46d451e47a7a682c64af776d

    SHA1

    3b0026f2dae8e9c491ccaa40133755779de35aaa

    SHA256

    9158038718d41172c22a3c1a15852405e3e1c8e2c44fa066328eb1520e5d977b

    SHA512

    4d2564850c2ab1bc71089412f19147df4a1cd3075aa2039aa894271b333cd9c510b7ba4d70889f24d45d8b366d8b5167abdcf24314e4753420337c7d34e7c43f

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

    Filesize

    944B

    MD5

    15dde0683cd1ca19785d7262f554ba93

    SHA1

    d039c577e438546d10ac64837b05da480d06bf69

    SHA256

    d6fa39eab7ee36f44dc3f9f2839d098433db95c1eba924e4bcf4e5c0d268d961

    SHA512

    57c0e1b87bc1c136f0d39f3ce64bb8f8274a0491e4ca6e45e5c7f9070aa9d9370c6f590ce37cd600b252df2638d870205249a514c43245ca7ed49017024a4672

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_tnqh5y14.xsc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp48CC.tmp.bat

    Filesize

    186B

    MD5

    e853addec43737eca5fdc74033ae16cb

    SHA1

    0a8adb87a4d65888b2665b539b6e99aa7ca384dd

    SHA256

    6098005d68a138f8e944525d9ba6a1e9564082120c100eb3548b6e466d58eb0b

    SHA512

    dd7277abdaed08126492496c14d1ae0e158ab9b0524e59ce7b42fc41b52149f1f797bfaef7f5cdb98efd4200e3b05886a64d2920b3e308585888b7ba53423991

  • memory/2804-66-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2804-58-0x000000001D200000-0x000000001D20C000-memory.dmp

    Filesize

    48KB

  • memory/2804-57-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2804-0-0x00007FF9A05F3000-0x00007FF9A05F5000-memory.dmp

    Filesize

    8KB

  • memory/2804-56-0x00007FF9A05F3000-0x00007FF9A05F5000-memory.dmp

    Filesize

    8KB

  • memory/2804-2-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/2804-1-0x0000000000490000-0x00000000004A6000-memory.dmp

    Filesize

    88KB

  • memory/3612-5-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3612-18-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3612-6-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB

  • memory/3612-4-0x0000027C6E180000-0x0000027C6E1A2000-memory.dmp

    Filesize

    136KB

  • memory/3612-3-0x00007FF9A05F0000-0x00007FF9A10B1000-memory.dmp

    Filesize

    10.8MB