Resubmissions

26-12-2023 07:36

231226-jfrwysdhh8 10

28-02-2021 07:18

210228-gg2156g8fe 10

Analysis

  • max time kernel
    150s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    26-12-2023 07:36

General

  • Target

    71d441f9725ee7a1e158a85e037e2311875f19ad12729900dba14c3ded8c5166.exe

  • Size

    627KB

  • MD5

    70b5ca289fa630db5715f047212a5403

  • SHA1

    e6e4d63c0be8cbad0517c4ae1a56b1beefac5980

  • SHA256

    71d441f9725ee7a1e158a85e037e2311875f19ad12729900dba14c3ded8c5166

  • SHA512

    e347f690dd54bb48e63a12ba8c63fd7617eafa9b03aea73a4ab107cca3838723bf38a0d3ed36a2e43d3ae6876f26ffd3f27230220fab430f389c90bb2a0aff84

  • SSDEEP

    12288:lOqvQomCg4G6q90tmPvj+GU/ttJuqwh3EQiXRUVZs4ixsiNhkApRawx:xoovgbAKvBgtJuqwh3EQihUb1ifNh9

Malware Config

Signatures

  • DarkTrack

    DarkTrack is a remote administration tool written in delphi.

  • DarkTrack payload 4 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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).

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71d441f9725ee7a1e158a85e037e2311875f19ad12729900dba14c3ded8c5166.exe
    "C:\Users\Admin\AppData\Local\Temp\71d441f9725ee7a1e158a85e037e2311875f19ad12729900dba14c3ded8c5166.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2488
    • C:\Users\Admin\AppData\Roaming\Sys32.exe
      "C:\Users\Admin\AppData\Roaming\Sys32.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of WriteProcessMemory
      PID:2920
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      2⤵
        PID:2744
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      1⤵
      • Adds Run key to start application
      PID:1668
    • C:\Windows\SysWOW64\notepad.exe
      notepad
      1⤵
        PID:2896

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Sys32.exe

        Filesize

        195KB

        MD5

        e70499513210cb9eb2140abf1288ed33

        SHA1

        4958bde939aa48d8cbcc914c3cd565bd7614b261

        SHA256

        62267f676b1e0362e5f7c2fd8f95e00fd7b0d25d1bc14de8cd601cc85c66fdd3

        SHA512

        c9c9a2d38fdd7f2ac676785837ea545a86c00fd7f24a74122d01d5f754244319a4127785e08a9df9740a8d5edf131fe68e7d5bbd1320996d78b8ca6c5fb98bbd

      • \Users\Admin\AppData\Roaming\Sys32.exe

        Filesize

        627KB

        MD5

        70b5ca289fa630db5715f047212a5403

        SHA1

        e6e4d63c0be8cbad0517c4ae1a56b1beefac5980

        SHA256

        71d441f9725ee7a1e158a85e037e2311875f19ad12729900dba14c3ded8c5166

        SHA512

        e347f690dd54bb48e63a12ba8c63fd7617eafa9b03aea73a4ab107cca3838723bf38a0d3ed36a2e43d3ae6876f26ffd3f27230220fab430f389c90bb2a0aff84

      • \Users\Admin\AppData\Roaming\Sys32.exe

        Filesize

        207KB

        MD5

        a4c76485151ec2ae07318d25046a9f99

        SHA1

        8102503769d488d84e6d45b1b339e4308f536790

        SHA256

        50fa9e87b972c84bff3d5b3ab42e01f08de078d648a2037d13057f2f8be9608c

        SHA512

        9744222ad90fd634ea1a20c7e336f22fe409c587cd23b0e8adbadf4f7bd6c17ac731b1a2125e027034662ccdd8618f70223db72b5223366bac0b198c62234aae

      • memory/1668-104-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/2488-37-0x0000000000400000-0x00000000004A8000-memory.dmp

        Filesize

        672KB

      • memory/2744-27-0x0000000000360000-0x0000000000361000-memory.dmp

        Filesize

        4KB

      • memory/2744-0-0x0000000000080000-0x0000000000081000-memory.dmp

        Filesize

        4KB