Overview

overview

7

Static

static

3

a2e967bb7b...18.exe

windows7-x64

7

a2e967bb7b...18.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    17/08/2024, 14:29

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General

  • Target

    a2e967bb7b16a6a7f0e74ec9033682cc_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    a2e967bb7b16a6a7f0e74ec9033682cc

  • SHA1

    4b59a0eb2004905c8c14506bbca1bf34b2e4dcd9

  • SHA256

    dabbaed6ef1a2e69fde3fca24e85a909b3ae5aaf52a039f7167918ff2711bcd3

  • SHA512

    f50f5498fa2a397bc8936299946a9455fbb2433dd77dc52aa6bdaa20c1f5cc5b4c681642b984284310cd360e551b3c61ae547fbc38fed44dd97c48c0860f0fd9

  • SSDEEP

    24576:C/ukNqOaIM0D3Q1gqUbHU8qX0H6mjrlsVTHi9gnn0Oe2QbYOJcQyLeSXCeSLZ5b9:CiO3LQXUovX0H6mjrlCHyTNOO3ieSXop

Score
7/10
bootkitdiscoverypersistenceupx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • 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.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2e967bb7b16a6a7f0e74ec9033682cc_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a2e967bb7b16a6a7f0e74ec9033682cc_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1652
    • C:\Users\Admin\AppData\Roaming\defender.exe
      "C:\Users\Admin\AppData\Roaming\defender.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\defender.exe
    Filesize

    1.7MB

    MD5

    dd18bce36b184e2901a8ad94e48c30f8

    SHA1

    4a4ab8d0a064fbb8a85798c9f3cca2db8779d9bf

    SHA256

    8f3f9db39259dd1da7cc464765fe901516a5180d646c426e2f3867971a75faf2

    SHA512

    423079c29547796b4c03810b6a6f78af8886fdb94450c480b501d34085192dfc1b73e0ac17b2c7b4f09c280b44a38a6783530dfdc0e6cde0b71e23571f4fe17e

    Download Submit

  • memory/580-20-0x0000000003900000-0x0000000003AAC000-memory.dmp

    Filesize

    1.7MB

    Download

  • memory/580-21-0x0000000000400000-0x0000000000F22000-memory.dmp

    Filesize

    11.1MB

    Download

  • memory/580-23-0x0000000000400000-0x0000000000F22000-memory.dmp

    Filesize

    11.1MB

    Download

  • memory/580-22-0x0000000000400000-0x0000000001BF2000-memory.dmp

    Filesize

    23.9MB

    Download

  • memory/1652-24-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

    Download