Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-08-2024 21:36

General

  • Target

    b93c73b5398041f5bfd1e9c7cd55da1e_JaffaCakes118.exe

  • Size

    34KB

  • MD5

    b93c73b5398041f5bfd1e9c7cd55da1e

  • SHA1

    350cb7ffb8da0c650b7efd0518a8dbcef5be2c7a

  • SHA256

    62c5f7935b77d45778bb5a12a8db19dc330bc049d8672656287b73ca63964f99

  • SHA512

    85b1bf1f31740e8e0335d72df20147e372085c017f25607ff7aa4ff412e15787be1c6496f7775f82f416bbd8ba694bc5f90bad22f3f55ba7974e1ff872890d3f

  • SSDEEP

    768:0DXXMb9eT0uCqMblI4Os8FpP28MxHZRBvj8Oghoob:UA9eT0rRI4Os8zaHZ/gGy

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in System32 directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b93c73b5398041f5bfd1e9c7cd55da1e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b93c73b5398041f5bfd1e9c7cd55da1e_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:980
    • \??\c:\windows\SysWOW64\wuaucldt.exe
      c:\windows\system32\wuaucldt.exe
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4448
      • \??\c:\users\admin\wuaucldt.exe
        c:\users\admin\wuaucldt.exe
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:3948
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c del c:\windows\syswow64\wuaucldt.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:384
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c del c:\users\admin\appdata\local\temp\B93C73~1.EXE
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1524

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\wuaucldt.exe

    Filesize

    34KB

    MD5

    b93c73b5398041f5bfd1e9c7cd55da1e

    SHA1

    350cb7ffb8da0c650b7efd0518a8dbcef5be2c7a

    SHA256

    62c5f7935b77d45778bb5a12a8db19dc330bc049d8672656287b73ca63964f99

    SHA512

    85b1bf1f31740e8e0335d72df20147e372085c017f25607ff7aa4ff412e15787be1c6496f7775f82f416bbd8ba694bc5f90bad22f3f55ba7974e1ff872890d3f

  • memory/980-0-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/980-1-0x0000000009000000-0x0000000009009000-memory.dmp

    Filesize

    36KB

  • memory/980-2-0x0000000009000000-0x0000000009009000-memory.dmp

    Filesize

    36KB

  • memory/980-3-0x0000000070000000-0x000000007000B000-memory.dmp

    Filesize

    44KB

  • memory/980-17-0x0000000070000000-0x000000007000B000-memory.dmp

    Filesize

    44KB

  • memory/980-16-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/3948-19-0x0000000000400000-0x000000000040B000-memory.dmp

    Filesize

    44KB

  • memory/4448-10-0x0000000070000000-0x000000007000B000-memory.dmp

    Filesize

    44KB

  • memory/4448-18-0x0000000070000000-0x000000007000B000-memory.dmp

    Filesize

    44KB