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Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    11/04/2024, 00:44

General

  • Target

    ec55fc7a83f60c7683b70e5dbc8e2f24_JaffaCakes118.exe

  • Size

    373KB

  • MD5

    ec55fc7a83f60c7683b70e5dbc8e2f24

  • SHA1

    34d729c7e89ccda6295b34291978b6cd0be091bb

  • SHA256

    8d522ba79151c8f35350e80ac7c6462d3d26d88229a0cd511bb63ae26fe41973

  • SHA512

    bc93605e870e16cf44a9653e24fc49416615feaa689694c3cb7f7bedd36ed58b70ff7b0f75b11787f511c39c94d2e0b4e5b0bfadafb37f9fc8273166adb2e7a9

  • SSDEEP

    6144:JlEG2aILgM2u+nmzK6QgSuHL5vj6pN/teIecjq1vsGX+v7MqvnTJ28THJYC:VIEGpzK6FSkFviFzq10GX+flpYC

Score
7/10

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec55fc7a83f60c7683b70e5dbc8e2f24_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ec55fc7a83f60c7683b70e5dbc8e2f24_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Windows\Ravsys.exe
      C:\Windows\Ravsys.exe Ravsys
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:2072
      • C:\Windows\SysWOW64\svchost.exe
        C:\Windows\system32\svchost.exe
        3⤵
          PID:2576
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\~SiGou.bat
        2⤵
        • Deletes itself
        PID:2744

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\~SiGou.bat

      Filesize

      240B

      MD5

      f67ef9d82f9418b517232f08019dc9d8

      SHA1

      72de257be6195c12d66d03b7c0e6585e32ee2c26

      SHA256

      c295411eae195d54f2e9cf6efbe12e6622acdc671080dcdad1f3f49c7bf4aa0f

      SHA512

      ea4908c44f07ff4c88b159e12e4c6b909512d4a0d055b5d841fdcdc6224a4b214534b37c2422985007887dacc45e46b0c58c1ed43f246fa2d55b28d4b76b56e6

    • C:\Windows\Ravsys.exe

      Filesize

      373KB

      MD5

      ec55fc7a83f60c7683b70e5dbc8e2f24

      SHA1

      34d729c7e89ccda6295b34291978b6cd0be091bb

      SHA256

      8d522ba79151c8f35350e80ac7c6462d3d26d88229a0cd511bb63ae26fe41973

      SHA512

      bc93605e870e16cf44a9653e24fc49416615feaa689694c3cb7f7bedd36ed58b70ff7b0f75b11787f511c39c94d2e0b4e5b0bfadafb37f9fc8273166adb2e7a9

    • memory/2072-30-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2072-18-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2072-20-0x0000000000320000-0x000000000037A000-memory.dmp

      Filesize

      360KB

    • memory/2072-19-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2200-16-0x0000000003270000-0x00000000032E5000-memory.dmp

      Filesize

      468KB

    • memory/2200-4-0x00000000003D0000-0x00000000003D1000-memory.dmp

      Filesize

      4KB

    • memory/2200-7-0x0000000000870000-0x0000000000871000-memory.dmp

      Filesize

      4KB

    • memory/2200-6-0x0000000000590000-0x0000000000591000-memory.dmp

      Filesize

      4KB

    • memory/2200-0-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2200-17-0x0000000003270000-0x00000000032E5000-memory.dmp

      Filesize

      468KB

    • memory/2200-5-0x00000000005C0000-0x00000000005C1000-memory.dmp

      Filesize

      4KB

    • memory/2200-8-0x00000000003F0000-0x00000000003F1000-memory.dmp

      Filesize

      4KB

    • memory/2200-3-0x00000000003E0000-0x00000000003E1000-memory.dmp

      Filesize

      4KB

    • memory/2200-38-0x0000000000280000-0x00000000002DA000-memory.dmp

      Filesize

      360KB

    • memory/2200-37-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2200-2-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2200-1-0x0000000000280000-0x00000000002DA000-memory.dmp

      Filesize

      360KB

    • memory/2576-26-0x0000000000400000-0x0000000000475000-memory.dmp

      Filesize

      468KB

    • memory/2576-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB