Analysis

  • max time kernel
    149s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    21/04/2024, 14:57

General

  • Target

    ff8a950178dedea2cd5fac32eabe05a7_JaffaCakes118.exe

  • Size

    476KB

  • MD5

    ff8a950178dedea2cd5fac32eabe05a7

  • SHA1

    5178cc759ddb8b8c454a8f127826280e8da85c6e

  • SHA256

    a3ba1dab9f4cce4e32d55e53c188b1b88022fa1d8ded84313e3c469515fbefeb

  • SHA512

    757bcddd2767bd3835a1c7a1919e1661c2fece4cf27b33db5ab3ce2f8e3b7869d982d89a3e3ffbb9f870d2f3bb3fd6aab8bb991c4364361a2dd050e07f311702

  • SSDEEP

    12288:A29PHZyMqlqvkbXzz2jaSleSNevjm+lzHlXy3sxjGnhB:A29oZHbXejaGef79zHlC3wQ

Malware Config

Signatures

  • Disables Task Manager via registry modification
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff8a950178dedea2cd5fac32eabe05a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff8a950178dedea2cd5fac32eabe05a7_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Maps connected drives based on registry
    • Modifies Internet Explorer settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:3048
    • C:\ProgramData\XXiouIlxcI.exe
      "C:\ProgramData\XXiouIlxcI.exe"
      2⤵
      • Executes dropped EXE
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      PID:2340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\XXiouIlxcI.exe

    Filesize

    476KB

    MD5

    ff8a950178dedea2cd5fac32eabe05a7

    SHA1

    5178cc759ddb8b8c454a8f127826280e8da85c6e

    SHA256

    a3ba1dab9f4cce4e32d55e53c188b1b88022fa1d8ded84313e3c469515fbefeb

    SHA512

    757bcddd2767bd3835a1c7a1919e1661c2fece4cf27b33db5ab3ce2f8e3b7869d982d89a3e3ffbb9f870d2f3bb3fd6aab8bb991c4364361a2dd050e07f311702

  • memory/2340-12-0x00000000002E0000-0x000000000033F000-memory.dmp

    Filesize

    380KB

  • memory/2340-14-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2340-15-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/2340-16-0x00000000002E0000-0x000000000033F000-memory.dmp

    Filesize

    380KB

  • memory/3048-0-0x0000000000220000-0x000000000027F000-memory.dmp

    Filesize

    380KB

  • memory/3048-1-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/3048-11-0x0000000000600000-0x000000000067C000-memory.dmp

    Filesize

    496KB

  • memory/3048-13-0x0000000000220000-0x000000000027F000-memory.dmp

    Filesize

    380KB