Analysis

  • max time kernel
    140s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-06-2024 13:11

General

  • Target

    1a3f556bc3856c1523dedcd4ded32279_JaffaCakes118.exe

  • Size

    237KB

  • MD5

    1a3f556bc3856c1523dedcd4ded32279

  • SHA1

    9ea6521940e453c6df1b0d135a1a9a82167d4ca0

  • SHA256

    ebd45a83ae26fb94e592263ddb7f8e6d95bddc374d977d57e6078b4e64d87e94

  • SHA512

    67fc20673f2366aaa82c140604ec4a06cba4b746b01faa8a438628bc4c84ffcd2f6faf73392c4c5864c650efc1c10305bc030d8c41ad892670f50394033a8f0b

  • SSDEEP

    6144:n03XFuM4nLSgTh2IcymPCHWIlm1Fa1asHPncB0jk4RwUx/Ye9Q:nc1udnLSg03ymK2Ilm1F4a4k+jk4RL/8

Malware Config

Signatures

  • UPX packed file 5 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\1a3f556bc3856c1523dedcd4ded32279_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1a3f556bc3856c1523dedcd4ded32279_JaffaCakes118.exe"
    1⤵
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Drops file in Program Files directory
    • Modifies system certificate store
    PID:1228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/1228-0-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1228-11-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1228-12-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1228-16-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB

  • memory/1228-18-0x0000000000400000-0x0000000000489000-memory.dmp

    Filesize

    548KB