Analysis

  • max time kernel
    140s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/09/2024, 19:15

General

  • Target

    ff33d8222008d59ac228061949ca348c_JaffaCakes118.exe

  • Size

    131KB

  • MD5

    ff33d8222008d59ac228061949ca348c

  • SHA1

    a3da13a412be2271cb79e571ead63783249d0240

  • SHA256

    13074d2567550ce0a2219bd21fa0f9b691125d153cb46c6f527336c1c3a97093

  • SHA512

    6bd50c73ece23a363b7ac3f166ec9ceb45ffae211186f42370ff1b3a0b9120b00a5028805bb1519ff1055a6d4566cd0a21a99a6f8a5916c3e50283b95db93fe7

  • SSDEEP

    3072:sB9Jtqj6IqFe+oIWjbkTOAU6KBo7TnoI4aES7:sBIGBe1oyAU6KBo7s7ax

Malware Config

Signatures

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

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

  • 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.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: LoadsDriver 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff33d8222008d59ac228061949ca348c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff33d8222008d59ac228061949ca348c_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Writes to the Master Boot Record (MBR)
    • Drops file in System32 directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: LoadsDriver
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c delplme.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:660
  • C:\Windows\avp.exe
    C:\Windows\avp.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:2420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\delplme.bat

    Filesize

    306B

    MD5

    08e1c7882f6c54fc81483d39ba8cea27

    SHA1

    2b1e765fbacad59d043a6358e2051a37c40e1f06

    SHA256

    bd7ba45a5a9f0d4abad2f583bb3c742c4eb8077b8842a37e5aa8de2874d62527

    SHA512

    d47791d680b53eb31a02f8ad116d22e9821e408de9085610b292fb490b6bc74d6d49e90d178a90033d5dd000b5332d710ab8e824b36ee4ebf122797c61130b75

  • C:\Windows\SysWOW64\od3mdi.dll

    Filesize

    103KB

    MD5

    2a11206c5a529b23f1a5d3e8d11a4e04

    SHA1

    342681d7dc35d202edc5025d44f90bf3060d6c2c

    SHA256

    52b8288cf131ff122bc545c43ede316ad4223c9b5eade796e8772e89a87708cc

    SHA512

    bd5e7203c29df9d3b08d5fe23545f4b460efe85e1e8a338b39719beaaf3d0a6e721ddc7eb3b8f00eb6b240a9a00c501faa4dc2a4ceca193ce0b7aae41c8143eb

  • C:\Windows\avp.exe

    Filesize

    22KB

    MD5

    1cc90da877b485221efbcb15e72fb4da

    SHA1

    c9230b5d7b3a5f84f1962461c7114daeaa63a94a

    SHA256

    5e0af8fb13bac15aedf56f9c36d3c60d07e02f1424b95862b6c14e1058712cc6

    SHA512

    4838f3fe47954734f81f535ac019b66223eeb2618af424d002d19ea0d8e0a4368c023aed4697b535387a0a19ad13fab6bad6a191297054f6b443d6a30ca5d7c2

  • memory/2420-17-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-19-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-27-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-26-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-15-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-25-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-18-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-24-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-20-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-21-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-22-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/2420-23-0x0000000000400000-0x000000000040D000-memory.dmp

    Filesize

    52KB

  • memory/4404-2-0x0000000000400000-0x0000000000454200-memory.dmp

    Filesize

    336KB

  • memory/4404-0-0x0000000000400000-0x0000000000454200-memory.dmp

    Filesize

    336KB

  • memory/4404-1-0x0000000002060000-0x0000000002061000-memory.dmp

    Filesize

    4KB

  • memory/4404-13-0x0000000000400000-0x0000000000454200-memory.dmp

    Filesize

    336KB