Resubmissions

01-02-2025 07:50

250201-jpfkaavjaz 10

01-02-2025 07:40

250201-jhnx3stqey 10

Analysis

  • max time kernel
    94s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2025 07:40

General

  • Target

    AnyDesk.exe

  • Size

    1.3MB

  • MD5

    183cee8f0737e89ee631fd4665d54deb

  • SHA1

    64f433299f4976208d506b5fb5f020283992977a

  • SHA256

    457cc36615572d74a0013bfafc9e758c2c2f2e34f57ae9f1a1dd748feae7185c

  • SHA512

    1298ec0e002c99813f48ea0c640ad199b2ff6fdfdf3bd28a67f3ab4393b04c15ec194982b149d7a1a02f542ca82bffbecd2fcbfb5228b1ce5599704d1890db78

  • SSDEEP

    24576:IT4A/d6wF5q6Yh2JoaCmWJZopqgHCV8jpU/3kwtY6v/87xaVUhf4pE0TwIDm:IMA16wFdjC7JZop5iV8juMwtY6WhfD0M

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

    Run Powershell and hide display window.

  • Creates new service(s) 2 TTPs
  • Drops file in Drivers directory 1 IoCs
  • Stops running service(s) 4 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Launches sc.exe 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 14 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:2384
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell.exe" "-WindowStyle Hidden -ExecutionPolicy Bypass -File \"C:\Windows\WindowsUpdate\552688\st.ps1\""
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1960
    • C:\Windows\system32\sc.exe
      "sc" create WsHosts "binPath= \"C:\Users\Admin\AppData\Local\Temp\AnyDesk.exe\"" "start= auto"
      2⤵
      • Launches sc.exe
      PID:2832
    • 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:4616
    • 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:4256
    • 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:440
    • 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:1596
    • C:\Windows\system32\sc.exe
      "sc" delete WsHosts
      2⤵
      • Launches sc.exe
      PID:1196

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

    25d7ac29d798600ddc5fd880b162958b

    SHA1

    a2ba91e14155cfa5c26670e17ac606f3f28b0be2

    SHA256

    3c6d5ecae46dd9f6756e444bc51635cdd9696f3ed9fe0601cf41059a04085f88

    SHA512

    d91a9028c0fdf3761edbccddaa460573281b7d390efc7dfe3ebef46ce5ede53d36a7148c523e312b5daedc91c11cdb2cc8d0f8b475339cd35dba044595778d45

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

    Filesize

    944B

    MD5

    6c47b3f4e68eebd47e9332eebfd2dd4e

    SHA1

    67f0b143336d7db7b281ed3de5e877fa87261834

    SHA256

    8c48b1f2338e5b24094821f41121d2221f1cb3200338f46df49f64d1c4bc3e0c

    SHA512

    0acf302a9fc971ef9df65ed42c47ea17828e54dff685f4434f360556fd27cdc26a75069f00dcdc14ba174893c6fd7a2cfd8c6c07be3ce35dafee0a006914eaca

  • 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_gjcj3o1c.oqc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1960-26-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1960-28-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1960-7-0x00007FFF96933000-0x00007FFF96935000-memory.dmp

    Filesize

    8KB

  • memory/1960-39-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/1960-13-0x000001C646D70000-0x000001C646D92000-memory.dmp

    Filesize

    136KB

  • memory/2384-84-0x00007FF779D40000-0x00007FF779E36000-memory.dmp

    Filesize

    984KB

  • memory/4616-29-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/4616-32-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB

  • memory/4616-33-0x00007FFF96930000-0x00007FFF973F1000-memory.dmp

    Filesize

    10.8MB