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Analysis

  • max time kernel
    16s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    11/08/2024, 16:54

General

  • Target

    8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll

  • Size

    161KB

  • MD5

    8b2e841d407f2c48c7aa13824de20366

  • SHA1

    ebdac406a936c9c4526bcd4083ee14e911b94ee0

  • SHA256

    acbe12c0cf239709b9bbf4de4455206604501d52840362bd4187a183332146e0

  • SHA512

    aec1ea297208d414c2b1512f566a3a88e9d025b024d3e330e210ccd7e28e9b75e879a65c594406d23d60e796a92eea854f7250f1f0f147a23fcede44cd9cf0fa

  • SSDEEP

    3072:P3HkmvfTbr396HM0XU+aDembri59tuvdZhhL/H0XpmT9T7/xqEv+/nIdtNu:ZXT/n+aCP0vdZhhL0MTZ/cMpI

Malware Config

Signatures

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Modifies registry class 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\8b2e841d407f2c48c7aa13824de20366_JaffaCakes118.dll,#1
      2⤵
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:1328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1328-0-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/1328-2-0x0000000010000000-0x0000000010031000-memory.dmp

    Filesize

    196KB

  • memory/1328-1-0x000000001000D000-0x000000001000E000-memory.dmp

    Filesize

    4KB