Analysis

  • max time kernel
    94s
  • max time network
    96s
  • platform
    windows10-ltsc 2021_x64
  • resource
    win10ltsc2021-20250128-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20250128-enlocale:en-usos:windows10-ltsc 2021-x64system
  • submitted
    01-02-2025 07:30

General

  • Target

    AnyDesk.exe

  • Size

    1.3MB

  • MD5

    782d830545931b36f876fba9d8d8259e

  • SHA1

    28255138010a047aa7d4414f666ea8123b89a5e6

  • SHA256

    451ad91c9f074f8ff02db9f6a1d2eab157ac3bf492ee0248022dbb7b441cc773

  • SHA512

    32a76cba28186842d2392d2faca54426e69baf49f7345b819c26719401f5955d5ae4ea64ac745e331b137c3bf13570642fb48bc8c511fa927525a957b033c7c8

  • SSDEEP

    24576:yT4A/dnOFN6gyTWoCAzPRDsaMgHT8E9J/ItY6v/87xaVUhf4pE0XwaTU:yMA1nOF8iAjRDsafHT8E9JgtY6WhfD0u

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 10 IoCs

    Run Powershell and hide display window.

  • Creates new service(s) 2 TTPs
  • Drops file in Drivers directory 2 IoCs
  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 4 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
    "C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe"
    1⤵
    • Drops file in Drivers directory
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\Windows\WindowsUpdate\797712\st.ps1\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4008
    • C:\Windows\system32\sc.exe
      "sc" create WsHosts "binPath= \"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe\"" "start= auto"
      2⤵
      • Launches sc.exe
      PID:3300
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\temp.ps1"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4332
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\svhosts.ps1
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3364
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\WindowsUpdate.ps1
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:844
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\wins32bugfix.ps1
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1808
    • C:\Windows\system32\sc.exe
      "sc" delete WsHosts
      2⤵
      • Launches sc.exe
      PID:4252
  • C:\Windows\system32\cmd.exe
    "C:\Windows\system32\cmd.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3708
    • C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe
      AnyDesk.exe
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of WriteProcessMemory
      PID:4424
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" "-WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\Windows\WindowsUpdate\493969\st.ps1\""
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1172
      • C:\Windows\system32\sc.exe
        "sc" create WsHosts "binPath= \"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe\"" "start= auto"
        3⤵
        • Launches sc.exe
        PID:4392
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -ExecutionPolicy Bypass -File "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\temp.ps1"
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1620
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\svhosts.ps1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2772
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\WindowsUpdate.ps1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4808
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell.exe" -ExecutionPolicy Bypass -File C:\Windows\System32\wins32bugfix.ps1
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1100
      • C:\Windows\system32\sc.exe
        "sc" delete WsHosts
        3⤵
        • Launches sc.exe
        PID:4008

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

    1KB

    MD5

    a94e0a262fe8ab5c0ec0872d36fcbd48

    SHA1

    877a5ed6269746fe8827f715ef95136ea81c5374

    SHA256

    4e689eb0bbeab4759a79c590a4d06d520a12974cf6cb79753832a5582a1ff0c9

    SHA512

    92a1ebcb2e4e4279e6cb0ff9407ba363ecb27c47b8cd4441655d9ecf811b990d066856f4738f23f8d9b12d1f3d0de75ef6a101fed056f5392e7140111550ca54

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

    Filesize

    944B

    MD5

    ad1581c64934c8b00a5c4f9a3685a2b5

    SHA1

    6b178e817d878eab54441c9852d88c0ea63be414

    SHA256

    b9e99eba07099c0847b2a56f5eb65b243b6af79a279f20204a8c5febe9a2ccfb

    SHA512

    1569b36aff2b88f23049463075c351a6afcc10bee1e62d996e18251b4efa4c8e8a37be7e63c7a057c971b7bc529620f87985c2c6bb89e2d459e52673b5baabec

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

    Filesize

    944B

    MD5

    62a8e0df6d82f02aebc7f71765726886

    SHA1

    3496972a0862ec3dae8b45cbaa2aa98f2ea3c0dd

    SHA256

    ee7b98d0fc748246432ca3f8128470efda24f2e90da3f082ba1d0742684560c5

    SHA512

    803c0580ba821cafde2bcac9cb21f90acab336188373c7429f12d5749eadaa9dbcc5a025938b8b465e83d3bc6271d504ce2c8f8090b8236c8651526d78be7e77

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

    Filesize

    64B

    MD5

    446dd1cf97eaba21cf14d03aebc79f27

    SHA1

    36e4cc7367e0c7b40f4a8ace272941ea46373799

    SHA256

    a7de5177c68a64bd48b36d49e2853799f4ebcfa8e4761f7cc472f333dc5f65cf

    SHA512

    a6d754709f30b122112ae30e5ab22486393c5021d33da4d1304c061863d2e1e79e8aeb029cae61261bb77d0e7becd53a7b0106d6ea4368b4c302464e3d941cf7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0ldrpfy4.313.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Windows\System32\drivers\etc\hosts

    Filesize

    2KB

    MD5

    dec29dcc5fba036816e7fe130a30af9e

    SHA1

    91796cf55a57676dcaeb2564984ca0b6b9ccc8f6

    SHA256

    1b8b2924aa7d00598a11c437f2c43e8deb9b138249e15b7ac6783baf810ecdcd

    SHA512

    833ae7d1af9926706023c8a942e2e8dd51d022dbcf14b59e7f8cfad02174323fde9f95a355b61982050068731584f267704ae4324d5901981e1d53d2019fc3fc

  • memory/1208-81-0x00007FF77E650000-0x00007FF77E746000-memory.dmp

    Filesize

    984KB

  • memory/4008-34-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4008-33-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4008-32-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4008-38-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4008-6-0x00007FF918A23000-0x00007FF918A25000-memory.dmp

    Filesize

    8KB

  • memory/4008-26-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4008-7-0x000001F37FD40000-0x000001F37FD62000-memory.dmp

    Filesize

    136KB

  • memory/4332-31-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4332-82-0x00007FF918A20000-0x00007FF9194E2000-memory.dmp

    Filesize

    10.8MB

  • memory/4424-155-0x00007FF77E650000-0x00007FF77E746000-memory.dmp

    Filesize

    984KB