Analysis

  • max time kernel
    146s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    25-09-2024 10:14

General

  • Target

    f5c7a248358807ee77d6766355b7981d_JaffaCakes118.exe

  • Size

    948KB

  • MD5

    f5c7a248358807ee77d6766355b7981d

  • SHA1

    d79998f78afb0607bdaa84cf254c63897d0b7a08

  • SHA256

    b18d259bd1629c923de440c169cdc7b8ff75df1745b719f242be2ef7f98815c4

  • SHA512

    3a56bcc61dff65d1ab2629d181a9055d2c7bcd5f09c717cae6b0d6eb28bd9a4d4b35d9f61fc6582aed0e65e7c55dbf7ca8baf0398b9f75f7d78a078a8e44c978

  • SSDEEP

    24576:AT3dYE9fAq6/kiYoIhYwn9rI/VbnhFFtex1j80hTC:wdYE9g5sHId/FtYfu

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
  • ModiLoader Second Stage 28 IoCs
  • Executes dropped EXE 1 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
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5c7a248358807ee77d6766355b7981d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f5c7a248358807ee77d6766355b7981d_JaffaCakes118.exe"
    1⤵
    • Identifies Wine through registry keys
    • Checks whether UAC is enabled
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2792
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\mstwain32.exe

    Filesize

    948KB

    MD5

    f5c7a248358807ee77d6766355b7981d

    SHA1

    d79998f78afb0607bdaa84cf254c63897d0b7a08

    SHA256

    b18d259bd1629c923de440c169cdc7b8ff75df1745b719f242be2ef7f98815c4

    SHA512

    3a56bcc61dff65d1ab2629d181a9055d2c7bcd5f09c717cae6b0d6eb28bd9a4d4b35d9f61fc6582aed0e65e7c55dbf7ca8baf0398b9f75f7d78a078a8e44c978

  • memory/2752-44-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-41-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-28-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-29-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-71-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-13-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-68-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-65-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-62-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-18-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-17-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-22-0x0000000004710000-0x000000000471E000-memory.dmp

    Filesize

    56KB

  • memory/2752-24-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-25-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-26-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-27-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-59-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-56-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-53-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-31-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-33-0x0000000004710000-0x000000000471E000-memory.dmp

    Filesize

    56KB

  • memory/2752-34-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-32-0x0000000004490000-0x0000000004498000-memory.dmp

    Filesize

    32KB

  • memory/2752-35-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-38-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-30-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-50-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2752-47-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-0-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-11-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-15-0x0000000004AB0000-0x0000000004BC9000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-16-0x0000000004AB0000-0x0000000004BC9000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-1-0x0000000000401000-0x000000000041C000-memory.dmp

    Filesize

    108KB

  • memory/2792-2-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-4-0x0000000000400000-0x0000000000519000-memory.dmp

    Filesize

    1.1MB

  • memory/2792-14-0x0000000004AB0000-0x0000000004AC0000-memory.dmp

    Filesize

    64KB