Analysis

  • max time kernel
    95s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/10/2024, 18:39

General

  • Target

    101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe

  • Size

    272KB

  • MD5

    101902fc66b0cb3466fa10a06279abe9

  • SHA1

    5a18a6a68113fcd89734adbf6b28f75485369fa5

  • SHA256

    e130a1944cee1aa735eb7b0192cf8f86b8b4c1c9ba272b8312a4230853c9e451

  • SHA512

    980db88a774f549d114f36ee5fa9171c9e761b43dbdb6baa4700702731d05cc73c2f1c26eb12ed7b971edb04b83ecd5c147071ccb4983cf6cf0498df6df55db3

  • SSDEEP

    6144:m1tPJmIuHYCPx2/JGkPXQSQiErjwo9aXs1jLaGQyR5YETD8i6z:mtBmXh6QiE3MXsB5QyR5YETDW

Malware Config

Signatures

  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\101902fc66b0cb3466fa10a06279abe9_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious use of WriteProcessMemory
    PID:1952
    • C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      C:\Users\Admin\AppData\Local\Temp\uninstall.exe
      2⤵
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:4496

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\uninstall.exe

    Filesize

    272KB

    MD5

    101902fc66b0cb3466fa10a06279abe9

    SHA1

    5a18a6a68113fcd89734adbf6b28f75485369fa5

    SHA256

    e130a1944cee1aa735eb7b0192cf8f86b8b4c1c9ba272b8312a4230853c9e451

    SHA512

    980db88a774f549d114f36ee5fa9171c9e761b43dbdb6baa4700702731d05cc73c2f1c26eb12ed7b971edb04b83ecd5c147071ccb4983cf6cf0498df6df55db3