Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-05-2024 09:05

General

  • Target

    395295900262456a661ab7199204da91_JaffaCakes118.exe

  • Size

    570KB

  • MD5

    395295900262456a661ab7199204da91

  • SHA1

    efbb0462a745c03906fc191f54d3d3cc6c12662e

  • SHA256

    23fee87fb45ea21a59e0b2c0ded15eae2aa25ca71c53db9380280e9c84709c17

  • SHA512

    664d128f2f4014ac7b6e85a0cd3fd249e69823d1365d4551b8447655d50fbf1229355098c0342d464d75ae54fc2bde7f35a4ba3cb30e5bca8c18175775a787ea

  • SSDEEP

    12288:SWXMlC4QMUw9gT4umyVyIyzmsAu15ErqfAnUb60:BXMlCU9gTZmywIyCmkWfAUb60

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\395295900262456a661ab7199204da91_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\395295900262456a661ab7199204da91_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\AppData\Local\Temp\n1065\s1065.exe
      "C:\Users\Admin\AppData\Local\Temp\n1065\s1065.exe" c12f390bae8d35e63e044fa03hDESRQGfeQtwkHxGOGV/KxCuzdqHfYfrzMWgJAPAlbsCNAFgGs4n/HsSkpddfVvusL8e0TUtkdbqbGN7Pg4LzqbIDWZVfb6U0DpmoI+RRQMLiHavlnL+Wj8epJO+ULGVkWQxgfpNnxj671aB6DKscN2AYdv/xEr5iDJPrAr /v "C:\Users\Admin\AppData\Local\Temp\395295900262456a661ab7199204da91_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\n1065\s1065.exe

    Filesize

    220KB

    MD5

    3bf87e8e1382beefff15a28ab98c21eb

    SHA1

    2d3caabe7c2e6231fda3537660435b196217eacb

    SHA256

    ceaea7d02e69c51a591461e6145ee574cf4727168829525762065bbb37a264c1

    SHA512

    04d3b42b785f23c28f05c6fceea49302501f447345efa80fb3f1069a8fb8af51bdd97b09bf9c0035fa134d94ad8b24a0e33dcd428be800e2de0faca80f14f231

  • memory/1584-12-0x00007FF990CD5000-0x00007FF990CD6000-memory.dmp

    Filesize

    4KB

  • memory/1584-13-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-29-0x00000000016B0000-0x00000000016C0000-memory.dmp

    Filesize

    64KB

  • memory/1584-32-0x000000001C940000-0x000000001CE0E000-memory.dmp

    Filesize

    4.8MB

  • memory/1584-33-0x000000001CEB0000-0x000000001CF4C000-memory.dmp

    Filesize

    624KB

  • memory/1584-34-0x000000001D040000-0x000000001D0A2000-memory.dmp

    Filesize

    392KB

  • memory/1584-35-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-36-0x000000001C3D0000-0x000000001C3D8000-memory.dmp

    Filesize

    32KB

  • memory/1584-37-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-38-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-39-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-40-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB

  • memory/1584-41-0x0000000020CB0000-0x00000000211BE000-memory.dmp

    Filesize

    5.1MB

  • memory/1584-42-0x000000001EAF0000-0x000000001EC2C000-memory.dmp

    Filesize

    1.2MB

  • memory/1584-44-0x00007FF990A20000-0x00007FF9913C1000-memory.dmp

    Filesize

    9.6MB