Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20-04-2024 09:16

General

  • Target

    fc6c0dda21dadd97e0b4e3842a0c6a31_JaffaCakes118.exe

  • Size

    263KB

  • MD5

    fc6c0dda21dadd97e0b4e3842a0c6a31

  • SHA1

    ceeac16b2bc939fba22c0154cd1a750e7b1aa5be

  • SHA256

    e546404480b9363ae68af184d73b86f44cfb3a1c15b048da3dfe09814a20dc9e

  • SHA512

    fb677b316767d9b1ba2e025404fea088d9189308064ac412957b1c0a46121c8ef833b26d9b0a4240715c19cb6c624cdd607960eaadfe5635b8e9ecc6af96b001

  • SSDEEP

    6144:uLr5atHtCAIdgVPFPVsRoDr4RshX6IMc8HuLfr:W5atTLP12R7iNMur

Malware Config

Signatures

  • UPX packed file 4 IoCs

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

  • 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 Program Files directory 1 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc6c0dda21dadd97e0b4e3842a0c6a31_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc6c0dda21dadd97e0b4e3842a0c6a31_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1292

Network

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Defense Evasion

Pre-OS Boot

1
T1542

Bootkit

1
T1542.003

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

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Downloads

  • memory/1292-0-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/1292-9-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/1292-13-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB

  • memory/1292-15-0x0000000000400000-0x0000000000497000-memory.dmp
    Filesize

    604KB