Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    06-07-2024 22:40

General

  • Target

    297562b2a02789dd03deb8207e9c637f_JaffaCakes118.exe

  • Size

    99KB

  • MD5

    297562b2a02789dd03deb8207e9c637f

  • SHA1

    3e8df0c99673b561cb8422111587a628af006dd3

  • SHA256

    207acfca1de1938e54d115382a281816e4c0144001010f677234f34c56f67d0e

  • SHA512

    183c7a25187aa18e6348657e76d5a76f89ed359a61e86a0fc0fa1deb2b27874b35c35db61fa32aca642eeee367d4a8f180175607b4f552502e9fdcef5e9a194e

  • SSDEEP

    1536:sVYd3yhx2UZ22bwA6CP1kqHbDP5XPg4EpweDXIMEQd03rdPxsu4a:sVCH46Ekq7j5XPg490If355Ma

Malware Config

Extracted

Family

tofsee

C2

64.20.54.234

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 2 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\297562b2a02789dd03deb8207e9c637f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\297562b2a02789dd03deb8207e9c637f_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\297562b2a02789dd03deb8207e9c637f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\297562b2a02789dd03deb8207e9c637f_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of WriteProcessMemory
      PID:1972
      • C:\Users\Admin\ltyq.exe
        "C:\Users\Admin\ltyq.exe" /r
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2968
        • C:\Users\Admin\ltyq.exe
          "C:\Users\Admin\ltyq.exe" /r
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetThreadContext
          • Suspicious use of WriteProcessMemory
          PID:2144
          • C:\Windows\SysWOW64\svchost.exe
            svchost.exe
            5⤵
              PID:2120
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c ""C:\Users\Admin\AppData\Local\Temp\0673.bat" "
          3⤵
          • Deletes itself
          PID:2472

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\0673.bat

      Filesize

      117B

      MD5

      9a403efb1cd6a0a4e735121126280e20

      SHA1

      89267f37a9f81e602b5d483b007a5ba0ef0d48c5

      SHA256

      1002136b1a92b7f6732c5355f7d884e1d46ab373844134286787ce37874c3d15

      SHA512

      87caf552aceb7562fc36dce1d85e33bb183a1a7b850c6f675519955160326329f07af60dae901953daf852ebb35692076f35af1cc2fbbc82e1cbb12d8cd562e9

    • \Users\Admin\ltyq.exe

      Filesize

      99KB

      MD5

      297562b2a02789dd03deb8207e9c637f

      SHA1

      3e8df0c99673b561cb8422111587a628af006dd3

      SHA256

      207acfca1de1938e54d115382a281816e4c0144001010f677234f34c56f67d0e

      SHA512

      183c7a25187aa18e6348657e76d5a76f89ed359a61e86a0fc0fa1deb2b27874b35c35db61fa32aca642eeee367d4a8f180175607b4f552502e9fdcef5e9a194e

    • memory/1972-0-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-2-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-10-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-4-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-12-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-14-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-6-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-58-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/1972-8-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB

    • memory/2120-39-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2120-40-0x0000000000080000-0x0000000000090000-memory.dmp

      Filesize

      64KB

    • memory/2120-48-0x0000000000080000-0x0000000000090000-memory.dmp

      Filesize

      64KB

    • memory/2120-43-0x0000000000080000-0x0000000000090000-memory.dmp

      Filesize

      64KB

    • memory/2120-60-0x0000000000080000-0x0000000000090000-memory.dmp

      Filesize

      64KB

    • memory/2144-36-0x0000000000400000-0x0000000000410000-memory.dmp

      Filesize

      64KB