Analysis

  • max time kernel
    126s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250314-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22/03/2025, 06:14

General

  • Target

    9e55090245947d9d81138b405be61fe4.exe

  • Size

    64KB

  • MD5

    9e55090245947d9d81138b405be61fe4

  • SHA1

    56b3e7d5facac608648adb6a30628761703300e3

  • SHA256

    4476a29d069a9b28a1779cdd11ed835ee5287fdc1829dab97f221dfc4f5301a2

  • SHA512

    759923edf00532a2e8340f0b1cfcc7d6d1b3611a2cd8588690920739355287433a90b54af8b0c3657584b7397f16d5138d4dda19ac60f84b9f744d062a2e1d1c

  • SSDEEP

    1536:1fQJBWB1aIfBHrgAIZ+bz167WN6w6YOA8zN/lWP:171aKUT+bz167sOAWgP

Malware Config

Extracted

Family

xworm

C2

26.ip.gl.ply.gg:43299

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
  • 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\9e55090245947d9d81138b405be61fe4.exe
    "C:\Users\Admin\AppData\Local\Temp\9e55090245947d9d81138b405be61fe4.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:4196
    • 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\9e55090245947d9d81138b405be61fe4.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3092
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess '9e55090245947d9d81138b405be61fe4.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3244
    • 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\nerestPC'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1980
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'nerestPC'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

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

    efa4168b73a5e8ae56d49bcac4d67861

    SHA1

    b3fe6b2d9fc05ad7892a2c8b96914764336b3067

    SHA256

    7aab157fba3a543647a38cc8729ffb962a58cc2093d94566c9e68ff73d134dca

    SHA512

    a1f305eac9c73c951f22e76f3904c1c6bb518b12d8a74bbea544c845f3d592e7915ec47d6531a3a4e669f6ab12311f3a632ff47a68f36370111d1c82cf8b6e99

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

    Filesize

    944B

    MD5

    80f15ce5e6ef0cb3ce89eee2a2e39617

    SHA1

    0ede60e2052448cd319b6cd7218b931f827e23c8

    SHA256

    f933caca7ba21a81d3bc932d6cdc1f89cca6b74c8c3ca02959cc8ce0b8ca93ff

    SHA512

    f78a48c2c23457487b3d33e454122fbae4c8888a1deb039272ee7efde2051bdfd753afd4a7853274cacd75eb9b8ac7336fe34100bd85674aab85bdce9e4141ce

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

    Filesize

    944B

    MD5

    e3161f4edbc9b963debe22e29658050b

    SHA1

    45dbf88dadafe5dd1cfee1e987c8a219d3208cdb

    SHA256

    1359d6daeaed2f254b162914203c891b23139cc236a3bf75c2dfcbe26265c84a

    SHA512

    006ffb8f37d1f77f8ee79b22ffa413819f565d62773c632b70985759572121c6ab4743139d16d885f8c0ff9d0e0b136686741728b3e142ee54aea3bb733dffb2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_02xxu0cy.flm.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3092-11-0x00000211EEC70000-0x00000211EEC92000-memory.dmp

    Filesize

    136KB

  • memory/3092-14-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB

  • memory/3092-17-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB

  • memory/3092-13-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB

  • memory/3092-12-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB

  • memory/4196-0-0x00007FFD1F413000-0x00007FFD1F415000-memory.dmp

    Filesize

    8KB

  • memory/4196-1-0x0000000000A80000-0x0000000000A96000-memory.dmp

    Filesize

    88KB

  • memory/4196-55-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB

  • memory/4196-56-0x00007FFD1F410000-0x00007FFD1FED1000-memory.dmp

    Filesize

    10.8MB