Analysis

  • max time kernel
    147s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    20/06/2024, 15:22

General

  • Target

    073b159eb8e8458f0f130191a8edcbce_JaffaCakes118.exe

  • Size

    108KB

  • MD5

    073b159eb8e8458f0f130191a8edcbce

  • SHA1

    088aa82107fd6e669c350269ca3c4f75a73bfb6b

  • SHA256

    548f3abab155389d2df54938b04d56a662a8a0d49728b25828eb9e9be04b551e

  • SHA512

    9bf78abe09ea2fbfeb08b2fa4e1c8492557d0e2df85e78e19a4a98fbdbd72904777f1b8a73f9641ea2f337a58b8889b22768ff072fb023bdd95e10ea7f6bcd32

  • SSDEEP

    3072:Coy8j7VnNdrPHaSekwi+mW+2yL4RFout:S8jZ7rvaU3+mWryL4voS

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 17 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 19 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks whether UAC is enabled 1 TTPs 3 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 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\073b159eb8e8458f0f130191a8edcbce_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\073b159eb8e8458f0f130191a8edcbce_JaffaCakes118.exe"
    1⤵
    • Checks whether UAC is enabled
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Windows\mstwain32.exe
      "C:\Windows\mstwain32.exe"
      2⤵
      • UAC bypass
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • System policy modification
      PID:2828
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2224

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\mstwain32.exe

          Filesize

          108KB

          MD5

          073b159eb8e8458f0f130191a8edcbce

          SHA1

          088aa82107fd6e669c350269ca3c4f75a73bfb6b

          SHA256

          548f3abab155389d2df54938b04d56a662a8a0d49728b25828eb9e9be04b551e

          SHA512

          9bf78abe09ea2fbfeb08b2fa4e1c8492557d0e2df85e78e19a4a98fbdbd72904777f1b8a73f9641ea2f337a58b8889b22768ff072fb023bdd95e10ea7f6bcd32

        • memory/2036-12-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2036-1-0x00000000002A0000-0x00000000002A1000-memory.dmp

          Filesize

          4KB

        • memory/2036-5-0x0000000001F40000-0x0000000001F50000-memory.dmp

          Filesize

          64KB

        • memory/2036-0-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-26-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-30-0x0000000075DB0000-0x0000000075EA0000-memory.dmp

          Filesize

          960KB

        • memory/2828-18-0x0000000000490000-0x000000000049E000-memory.dmp

          Filesize

          56KB

        • memory/2828-21-0x0000000075DB0000-0x0000000075EA0000-memory.dmp

          Filesize

          960KB

        • memory/2828-20-0x0000000075DC0000-0x0000000075DC1000-memory.dmp

          Filesize

          4KB

        • memory/2828-23-0x00000000002C0000-0x00000000002C8000-memory.dmp

          Filesize

          32KB

        • memory/2828-22-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-24-0x0000000000490000-0x000000000049E000-memory.dmp

          Filesize

          56KB

        • memory/2828-25-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-13-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-29-0x0000000075DB0000-0x0000000075EA0000-memory.dmp

          Filesize

          960KB

        • memory/2828-17-0x00000000002B0000-0x00000000002B1000-memory.dmp

          Filesize

          4KB

        • memory/2828-31-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-34-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-37-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-41-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-44-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-47-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-50-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-53-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-56-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-59-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-62-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB

        • memory/2828-65-0x0000000000400000-0x0000000000450000-memory.dmp

          Filesize

          320KB