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Analysis

  • max time kernel
    150s
  • 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
    23/08/2024, 16:31

General

  • Target

    bc7c353e354e765218b474296add06d8_JaffaCakes118.exe

  • Size

    125KB

  • MD5

    bc7c353e354e765218b474296add06d8

  • SHA1

    a9a89d9a4a5ad86f555481dd85c9cb8d566c57e8

  • SHA256

    41057df26c2ea138e06245a6cffa25b53c4c57db5c86ca683bb7bebe8454ac87

  • SHA512

    874f1b4d7759ae4a715f475dc4c9b0807ba61bac8b4e08ea0fb61a019cb4f5f7d8ac0a20ba5402eb7e25dbc0f51e386230502e3b5e08ad18dd61ae55608f026b

  • SSDEEP

    3072:EJgwBIxhn+dz7diTqkGqcZBUPs7dHNnu3lAzyDJkluJfBd8x:EuwWx8fScnUPey1BtB

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 6 IoCs
  • 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.

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bc7c353e354e765218b474296add06d8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\bc7c353e354e765218b474296add06d8_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Windows\Pcegya.exe
      C:\Windows\Pcegya.exe
      2⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      PID:752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\Pcegya.exe

    Filesize

    125KB

    MD5

    bc7c353e354e765218b474296add06d8

    SHA1

    a9a89d9a4a5ad86f555481dd85c9cb8d566c57e8

    SHA256

    41057df26c2ea138e06245a6cffa25b53c4c57db5c86ca683bb7bebe8454ac87

    SHA512

    874f1b4d7759ae4a715f475dc4c9b0807ba61bac8b4e08ea0fb61a019cb4f5f7d8ac0a20ba5402eb7e25dbc0f51e386230502e3b5e08ad18dd61ae55608f026b

  • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

    Filesize

    390B

    MD5

    4e60122febb6b0da53230c6001409a17

    SHA1

    cef459be8c9596927f5fe3cfa8da5ac7f951c3c4

    SHA256

    e92d67561056d8e4d842a257083e6f9acf5a94513ede80d3e495e94427be343c

    SHA512

    c912f957afaf53a8e17e2cd294dfea334c702829b85e77f91bb76bd711818e5298f105d0771162061e26fb4f70a914c7afe4cede912ef4b6061db6ba87c37d51

  • memory/752-108670-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-108672-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-9-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-108684-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-41734-0x0000000002050000-0x000000000207E000-memory.dmp

    Filesize

    184KB

  • memory/752-41702-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-108676-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-108667-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/752-108668-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4756-22218-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4756-0-0x00000000005F0000-0x0000000000603000-memory.dmp

    Filesize

    76KB

  • memory/4756-41285-0x00000000021B0000-0x00000000021DE000-memory.dmp

    Filesize

    184KB

  • memory/4756-1-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB