Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    24-05-2024 17:05

General

  • Target

    6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe

  • Size

    272KB

  • MD5

    6f38bcb2633aa6ab14d6bccd4d0ef41f

  • SHA1

    9e258a20aa8834bda7c3c568c8e4c81e4bb6509f

  • SHA256

    9a6764cf5d070c5651340125d90dbda11e09f62aa128f6571a36664ae91be9f1

  • SHA512

    22aaced85caf885eeac9b715b961341fa24fab08646af87e0eb6e7aad5587266812ae7902c7e17e7fc9c60225a3d9744a32016fbc26225819dcff4f8337798b9

  • SSDEEP

    6144:0IxLFmmc3lrVCHZFY3ORLoGBaIcLzRkqtIe4kmNl+rU3qTvLtPtzk:Vx5mmc3lrVCHTY+tJcLzObeSljqnT

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
      2⤵
        PID:1632
      • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
        2⤵
          PID:2072
        • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
          2⤵
            PID:2508
          • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
            "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
            2⤵
              PID:2504
            • C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
              "C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe"
              2⤵
              • Loads dropped DLL
              • Accesses Microsoft Outlook profiles
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of SetWindowsHookEx
              • Suspicious use of WriteProcessMemory
              • outlook_office_path
              • outlook_win_path
              PID:2528
              • C:\Users\Admin\AppData\Local\Temp\NDy.exe
                "C:\Users\Admin\AppData\Local\Temp\NDy.exe" C:\Users\Admin\AppData\Local\Temp\6f38bcb2633aa6ab14d6bccd4d0ef41f_JaffaCakes118.exe
                3⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                • Suspicious use of AdjustPrivilegeToken
                PID:2908

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Persistence

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Privilege Escalation

          Boot or Logon Autostart Execution

          1
          T1547

          Registry Run Keys / Startup Folder

          1
          T1547.001

          Defense Evasion

          Modify Registry

          1
          T1112

          Credential Access

          Unsecured Credentials

          4
          T1552

          Credentials In Files

          3
          T1552.001

          Credentials in Registry

          1
          T1552.002

          Discovery

          System Information Discovery

          1
          T1082

          Collection

          Data from Local System

          4
          T1005

          Email Collection

          1
          T1114

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • \Users\Admin\AppData\Local\Temp\NDy.exe
            Filesize

            10KB

            MD5

            f683769b947501b5a98376619d5938bb

            SHA1

            6a38e4acd9ade0d85697d10683ec84fa0daed11c

            SHA256

            c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3

            SHA512

            dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556

          • memory/2172-0-0x00000000747D1000-0x00000000747D2000-memory.dmp
            Filesize

            4KB

          • memory/2172-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2172-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2172-5-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2172-23-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-10-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-24-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
            Filesize

            4KB

          • memory/2528-12-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-20-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-8-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-21-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-16-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-18-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-22-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-25-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-7-0x0000000000400000-0x000000000043C000-memory.dmp
            Filesize

            240KB

          • memory/2528-33-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB

          • memory/2528-34-0x00000000747D0000-0x0000000074D7B000-memory.dmp
            Filesize

            5.7MB