Analysis

  • max time kernel
    145s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    29-04-2021 21:58

General

  • Target

    server.exe

  • Size

    627KB

  • MD5

    ccadb01dd1b49d0feb520c6bf7f819ef

  • SHA1

    f0a859f869fe2c4c01541f7777be40b97fa8820d

  • SHA256

    399b5ca1eee21d07a146800fbccb360c524171237b49b1fa415fbabd0c6b92e8

  • SHA512

    82bbcdee9acf630fc8e1f15bafec31e2d7f6ac6f998006a4d64ea2b13c7d7a78f2fb51fa6f652ad65dab7e191fd8b17cda3b570ef0101374e1d1b0682932d77c

Malware Config

Signatures

  • DarkTrack

    DarkTrack is a remote administration tool written in delphi.

  • DarkTrack Payload 2 IoCs
  • Executes dropped EXE 1 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). Likely ransomware behaviour.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:656
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\server.exe >> NUL
      2⤵
        PID:3080
      • C:\Users\Admin\AppData\Roaming\DtServ32.exe
        "C:\Users\Admin\AppData\Roaming\DtServ32.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of WriteProcessMemory
        PID:3356
        • C:\Windows\SysWOW64\notepad.exe
          notepad
          3⤵
          • Adds Run key to start application
          PID:2028

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Roaming\DtServ32.exe

      MD5

      ccadb01dd1b49d0feb520c6bf7f819ef

      SHA1

      f0a859f869fe2c4c01541f7777be40b97fa8820d

      SHA256

      399b5ca1eee21d07a146800fbccb360c524171237b49b1fa415fbabd0c6b92e8

      SHA512

      82bbcdee9acf630fc8e1f15bafec31e2d7f6ac6f998006a4d64ea2b13c7d7a78f2fb51fa6f652ad65dab7e191fd8b17cda3b570ef0101374e1d1b0682932d77c

    • C:\Users\Admin\AppData\Roaming\DtServ32.exe

      MD5

      ccadb01dd1b49d0feb520c6bf7f819ef

      SHA1

      f0a859f869fe2c4c01541f7777be40b97fa8820d

      SHA256

      399b5ca1eee21d07a146800fbccb360c524171237b49b1fa415fbabd0c6b92e8

      SHA512

      82bbcdee9acf630fc8e1f15bafec31e2d7f6ac6f998006a4d64ea2b13c7d7a78f2fb51fa6f652ad65dab7e191fd8b17cda3b570ef0101374e1d1b0682932d77c

    • memory/2028-118-0x0000000000000000-mapping.dmp

    • memory/2028-119-0x0000000002A00000-0x0000000002AAE000-memory.dmp

      Filesize

      696KB

    • memory/3080-114-0x0000000000000000-mapping.dmp

    • memory/3356-115-0x0000000000000000-mapping.dmp