Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-05-2024 14:20

General

  • Target

    Pm2N2C2ndXU2J.exe

  • Size

    85KB

  • MD5

    5c6fef1fff51ccb0110e57777177bc84

  • SHA1

    807be583f49b7512a8e1aac11d6c2475028c7abf

  • SHA256

    17edbd6b374bc695acd4f5e9e12ff27d7bca977ee06db54012388dfe7b3e5cc8

  • SHA512

    02795e12e22853a506db78f2f9960fe90904605dcbadd20b97994cb8db35be2f516ce0e37a5d3509ccf4a2c581ac21b74f9facb46427bc633a061d56816a13af

  • SSDEEP

    1536:EyM6UKCWBzEisHQFU5JmxdF+bGN0d/KSI6dMOk0QuNPDUz:EMBVxDUi+bGQNQOk0QYO

Malware Config

Extracted

Family

xworm

C2

19.ip.gl.ply.gg:45758

ads-enabled.gl.at.ply.gg:45758

Attributes
  • Install_directory

    %AppData%

  • install_file

    detcvto.exe

Signatures

  • Detect Xworm Payload 2 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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 9 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Users\Admin\AppData\Local\Temp\Pm2N2C2ndXU2J.exe
    "C:\Users\Admin\AppData\Local\Temp\Pm2N2C2ndXU2J.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:3168
    • 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\Pm2N2C2ndXU2J.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1740
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'Pm2N2C2ndXU2J.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1924
    • 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\detcvto.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1320
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass Add-MpPreference -ExclusionProcess 'detcvto.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:5076
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /RL HIGHEST /sc minute /mo 1 /tn "detcvto" /tr "C:\Users\Admin\AppData\Roaming\detcvto.exe"
      2⤵
      • Creates scheduled task(s)
      PID:1020
  • C:\Users\Admin\AppData\Roaming\detcvto.exe
    C:\Users\Admin\AppData\Roaming\detcvto.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:2584
  • C:\Users\Admin\AppData\Roaming\detcvto.exe
    C:\Users\Admin\AppData\Roaming\detcvto.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:1128
  • C:\Users\Admin\AppData\Roaming\detcvto.exe
    C:\Users\Admin\AppData\Roaming\detcvto.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of AdjustPrivilegeToken
    PID:4988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    654B

    MD5

    2ff39f6c7249774be85fd60a8f9a245e

    SHA1

    684ff36b31aedc1e587c8496c02722c6698c1c4e

    SHA256

    e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced

    SHA512

    1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1

  • 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

    6d42b6da621e8df5674e26b799c8e2aa

    SHA1

    ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

    SHA256

    5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

    SHA512

    53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

  • 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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    944B

    MD5

    9078a011b49db705765cff4b845368b0

    SHA1

    533576940a2780b894e1ae46b17d2f4224051b77

    SHA256

    c89240e395a581db1b44d204e2bcbd5b0e7f636ac72585d8257e6b901f5a3615

    SHA512

    48e0896fc4818bb7e3f250c5cad70d5e4ce71d3f6a8d2d17d8becc36050c1de2a270fde8dea5bb3462f1e7f5eaf074053390934f26d0186113215a1c4e92dd1e

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_z5e1vdnm.tcq.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Roaming\detcvto.exe

    Filesize

    85KB

    MD5

    5c6fef1fff51ccb0110e57777177bc84

    SHA1

    807be583f49b7512a8e1aac11d6c2475028c7abf

    SHA256

    17edbd6b374bc695acd4f5e9e12ff27d7bca977ee06db54012388dfe7b3e5cc8

    SHA512

    02795e12e22853a506db78f2f9960fe90904605dcbadd20b97994cb8db35be2f516ce0e37a5d3509ccf4a2c581ac21b74f9facb46427bc633a061d56816a13af

  • memory/1740-12-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/1740-17-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/1740-14-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/1740-13-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/1740-2-0x000001349FD90000-0x000001349FDB2000-memory.dmp

    Filesize

    136KB

  • memory/3168-0-0x00007FF8418E3000-0x00007FF8418E5000-memory.dmp

    Filesize

    8KB

  • memory/3168-56-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3168-60-0x00007FF8418E3000-0x00007FF8418E5000-memory.dmp

    Filesize

    8KB

  • memory/3168-61-0x00007FF8418E0000-0x00007FF8423A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3168-1-0x0000000000800000-0x000000000081C000-memory.dmp

    Filesize

    112KB