Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    26-09-2024 03:30

General

  • Target

    f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe

  • Size

    934KB

  • MD5

    f7772238dba163f9bc66ea6681b8a1ac

  • SHA1

    a8d2a4a4ec75ac47d139a2a465e54a4d240808fd

  • SHA256

    fbc9717210006babbafdcb94e7dd296f78916d6d722631f5a7f57827b8f670db

  • SHA512

    2844cc48d3fdb6bafc2ea11f6e343c85a4234ce2359c84f0d557f4450967c38101f8a28e745d8d1a9a63e3d3b143b35b001a4358df8a49cab2d27d39291f8537

  • SSDEEP

    24576:7rKhHcy0zong9j+G55ALg7b2vtrX+9ajMqjDf7yndTAJAUr:7rKhP0zAeRkZu93weT5Ur

Malware Config

Signatures

  • ModiLoader, DBatLoader

    ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

  • UAC bypass 3 TTPs 1 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • ModiLoader Second Stage 24 IoCs
  • Executes dropped EXE 2 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • UPX packed file 28 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • System policy modification 1 TTPs 1 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2876
    • C:\Users\Admin\AppData\Local\Temp\f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe"
      2⤵
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2768
      • C:\Windows\mstwain32.exe
        "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\f7772238dba163f9bc66ea6681b8a1ac_JaffaCakes118.exe"
        3⤵
        • Identifies VirtualBox via ACPI registry values (likely anti-VM)
        • Executes dropped EXE
        • Identifies Wine through registry keys
        • Suspicious use of NtSetInformationThreadHideFromDebugger
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1356
        • C:\Windows\mstwain32.exe
          "C:\Windows\mstwain32.exe"
          4⤵
          • UAC bypass
          • Executes dropped EXE
          • Adds Run key to start application
          • Checks whether UAC is enabled
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:1712
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-1506706701-1246725540-2219210854-1000\699c4b9cdebca7aaea5193cae8a50098_62dc4f69-4699-4b35-9f5c-cc69254f52a3

    Filesize

    50B

    MD5

    5b63d4dd8c04c88c0e30e494ec6a609a

    SHA1

    884d5a8bdc25fe794dc22ef9518009dcf0069d09

    SHA256

    4d93c22555b3169e5c13716ca59b8b22892c69b3025aea841afe5259698102fd

    SHA512

    15ff8551ac6b9de978050569bcdc26f44dfc06a0eaf445ac70fd45453a21bdafa3e4c8b4857d6a1c3226f4102a639682bdfb71d7b255062fb81a51c9126896cb

  • C:\Windows\mstwain32.exe

    Filesize

    934KB

    MD5

    f7772238dba163f9bc66ea6681b8a1ac

    SHA1

    a8d2a4a4ec75ac47d139a2a465e54a4d240808fd

    SHA256

    fbc9717210006babbafdcb94e7dd296f78916d6d722631f5a7f57827b8f670db

    SHA512

    2844cc48d3fdb6bafc2ea11f6e343c85a4234ce2359c84f0d557f4450967c38101f8a28e745d8d1a9a63e3d3b143b35b001a4358df8a49cab2d27d39291f8537

  • memory/1356-60-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/1356-47-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/1356-43-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/1356-42-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/1356-61-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/1712-74-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-91-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-81-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-78-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-77-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-76-0x0000000001C80000-0x0000000001C8E000-memory.dmp

    Filesize

    56KB

  • memory/1712-75-0x0000000000290000-0x0000000000298000-memory.dmp

    Filesize

    32KB

  • memory/1712-87-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-73-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-71-0x0000000001C80000-0x0000000001C8E000-memory.dmp

    Filesize

    56KB

  • memory/1712-67-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-84-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-94-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-97-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-63-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-64-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-66-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-65-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-100-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-103-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/1712-106-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-37-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-8-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2768-38-0x0000000003850000-0x0000000003A15000-memory.dmp

    Filesize

    1.8MB

  • memory/2768-40-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-30-0x0000000001EE0000-0x0000000001EF0000-memory.dmp

    Filesize

    64KB

  • memory/2768-26-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-23-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-10-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-12-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-16-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-36-0x0000000003850000-0x0000000003A15000-memory.dmp

    Filesize

    1.8MB

  • memory/2768-25-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-21-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2768-22-0x0000000000400000-0x000000000044F000-memory.dmp

    Filesize

    316KB

  • memory/2876-17-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-24-0x0000000005060000-0x0000000005225000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-20-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-0-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-5-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-6-0x0000000000400000-0x00000000005C5000-memory.dmp

    Filesize

    1.8MB

  • memory/2876-2-0x0000000000401000-0x0000000000403000-memory.dmp

    Filesize

    8KB

  • memory/2876-1-0x0000000077C10000-0x0000000077C12000-memory.dmp

    Filesize

    8KB