Analysis

  • max time kernel
    130s
  • max time network
    142s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    23-06-2024 08:44

General

  • Target

    05bf320994954329a3fd404d0d82fa62_JaffaCakes118.exe

  • Size

    136KB

  • MD5

    05bf320994954329a3fd404d0d82fa62

  • SHA1

    7f46b22586acb7ea85bac546df8535864290febf

  • SHA256

    075c3400a03685ae454d633c12c68fdb1908ee2383fa95a5dfc72421b4c8666e

  • SHA512

    b355fe1d63696920dc548b9b3d616e7b7415a48d73bf1f49a460051af125ec51f2c0ee705926618aaf6cc40c7a2f2c0db8665b97bd083429ede28969f8436d46

  • SSDEEP

    3072:YAzWS96CT5+8KRNlw5eXRS0uvB+bIJXo4y:jzV9JTM8K+5eY0u5+uXxy

Malware Config

Extracted

Family

tofsee

C2

94.75.255.140

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Signatures

  • Tofsee

    Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\05bf320994954329a3fd404d0d82fa62_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\05bf320994954329a3fd404d0d82fa62_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2176
    • C:\Users\Admin\AppData\Local\Temp\05bf320994954329a3fd404d0d82fa62_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\05bf320994954329a3fd404d0d82fa62_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:2204
      • C:\Users\Admin\itf.exe
        "C:\Users\Admin\itf.exe" /r
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2700
        • C:\Users\Admin\itf.exe
          "C:\Users\Admin\itf.exe" /r
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2132
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
              PID:2668
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\1305.bat" "
          3⤵
          • Deletes itself
          PID:2408

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1305.bat
      Filesize

      117B

      MD5

      1899dbe4750663bff9531d9f7b4e84d6

      SHA1

      55ff4fc30994e4b3a3aa4719a1d70a1dca57a7cd

      SHA256

      5ef113218af9d46b95687e948b6e442627500b96c0add3cb1f347d5469291800

      SHA512

      c5424d9b027cb6e3f458eb0c40695faee88a5c8e4b8988d8469461b18d4440c659f319181a8f3f16b5238ef6820afad5bda518e0091b344eb6bd350f57b7ec5a

    • \Users\Admin\itf.exe
      Filesize

      136KB

      MD5

      05bf320994954329a3fd404d0d82fa62

      SHA1

      7f46b22586acb7ea85bac546df8535864290febf

      SHA256

      075c3400a03685ae454d633c12c68fdb1908ee2383fa95a5dfc72421b4c8666e

      SHA512

      b355fe1d63696920dc548b9b3d616e7b7415a48d73bf1f49a460051af125ec51f2c0ee705926618aaf6cc40c7a2f2c0db8665b97bd083429ede28969f8436d46

    • memory/2132-45-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-6-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-0-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-4-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-12-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-8-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-14-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-61-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-3-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2204-10-0x0000000000400000-0x0000000000410000-memory.dmp
      Filesize

      64KB

    • memory/2668-53-0x0000000000080000-0x0000000000090000-memory.dmp
      Filesize

      64KB

    • memory/2668-41-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
      Filesize

      4KB

    • memory/2668-58-0x0000000000080000-0x0000000000090000-memory.dmp
      Filesize

      64KB

    • memory/2668-42-0x0000000000080000-0x0000000000090000-memory.dmp
      Filesize

      64KB

    • memory/2668-63-0x0000000000080000-0x0000000000090000-memory.dmp
      Filesize

      64KB