Analysis

  • max time kernel
    120s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-11-2024 21:17

General

  • Target

    acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe

  • Size

    6.5MB

  • MD5

    95d5305c6eb16750dd09b8bdd271a0c5

  • SHA1

    e526f8782efca407d63f63c16f0eb905fe8e5759

  • SHA256

    acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba

  • SHA512

    2c7ff9619c335fe4ed00580b7c3801cf441c91d0b7fcbe4bcc89a3f397df735650b507aff2057a771a1b3915fd86309703657acd1209c823feadf513c9d0d004

  • SSDEEP

    196608:47effIPEsy58doQaTzwZ8Jq3QKnqVtxQnKnqVtxQu9OryfEQdy38doQaoiny/mKk:47effIPEsy58doQaTzwZ8Jq3QKnqVtx9

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 1 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
    "C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2864
    • C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
      C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3948
      • C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
        C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
        3⤵
        • Enumerates connected drives
        PID:2808
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      PID:4664
    • C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
      C:\Users\Admin\AppData\Local\Temp\acf9d2eb5dddda3101a05fd580b1e3873267514f543285829b42cb6ae9b2eeba.exe
      2⤵
      • Enumerates connected drives
      PID:3640

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\cftmon.exe

    Filesize

    6.5MB

    MD5

    7abe60b10dc4b464ca1848ce8beab49f

    SHA1

    beea7d1f73625d7f83826d9204493657addb4dc2

    SHA256

    ede12c03b32abada870fa45eec95a3b8acc075a2fca1c2654be73c2ed9fc1246

    SHA512

    a99b443e855494d91a2c4d1ef3c16cc9cc2ad2f2249b30274a7b333eb2d148a0f29e28acf0cc9ce1d16e1d5316de19dd1359ffccccf7421aff3229fb27fce856

  • C:\Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/2808-26-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2808-36-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-52-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-72-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-21-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2864-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-57-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-27-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-32-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-18-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2864-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2864-47-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3640-45-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3640-24-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3948-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3948-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB