Analysis

  • max time kernel
    148s
  • max time network
    153s
  • 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 08:01

General

  • Target

    fc4b8330c29f3ba92881e5bd24d5227b_JaffaCakes118.exe

  • Size

    233KB

  • MD5

    fc4b8330c29f3ba92881e5bd24d5227b

  • SHA1

    791d704ca8afda2746a83631ecb62ac05da2c966

  • SHA256

    78d9622dd71269ce21dbb9491ede1725fc07fd86fbac81c24c0fe40c0a2f7315

  • SHA512

    f838facb8d545ba223be70b836aa794cf31ed37efc3e119ee376ce338da6ebc8919721a88c466f33bb5bb65d505a2845f86634fd043f3cabd93bd770a4068efd

  • SSDEEP

    6144:yBgz+VVyLSj1Ys3da3vpP0avnOt6uvmNZXSFelt8EW:BWVp3A3hcavOtcNmit8EW

Malware Config

Signatures

  • UPX packed file 7 IoCs

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

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\fc4b8330c29f3ba92881e5bd24d5227b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fc4b8330c29f3ba92881e5bd24d5227b_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:4724

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

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4724-0-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-11-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-12-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-14-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-15-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-17-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB

  • memory/4724-18-0x0000000000400000-0x0000000000488000-memory.dmp
    Filesize

    544KB