Analysis

  • max time kernel
    94s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2024 07:30

General

  • Target

    c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe

  • Size

    1.2MB

  • MD5

    c6982dc10689d7adf79787926edf776e

  • SHA1

    3a115b5b8787cb176ef70bc988ae9897e70d80ec

  • SHA256

    2bb8943bef96d003b1b51b52a218d03bac6c81084a1f867915a43e1220fc95fb

  • SHA512

    ea6669d48e60971d55097ff2a18d5d05c810bd55d23720e1fc1efc220ebe8d642b24164079b41a9f1160a1f91e64ccddf84a58060ed565b030871fb2f4ec059e

  • SSDEEP

    24576:fW8bqLVRGZ38MKO2rxTX/0x7OHJAPwPB/E685kEScmgu2renXZ:fDSzGZLKOgzsVw5tE5mSeX

Malware Config

Signatures

  • DcRat

    DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

  • Dcrat family
  • DCRat payload 1 IoCs

    Detects payload of DCRat, commonly dropped by NSIS installers.

  • Suspicious use of SetThreadContext 1 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.

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3300
    • C:\Users\Admin\AppData\Local\Temp\c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\c6982dc10689d7adf79787926edf776e_JaffaCakes118.exe.log

    Filesize

    522B

    MD5

    8334a471a4b492ece225b471b8ad2fc8

    SHA1

    1cb24640f32d23e8f7800bd0511b7b9c3011d992

    SHA256

    5612afe347d8549cc95a0c710602bcc7d7b224361b613c0a6ba362092300c169

    SHA512

    56ae2e83355c331b00d782797f5664c2f373eac240e811aab978732503ae05eb20b08730d2427ed90efa5a706d71b42b57153596a45a6b5592e3dd9128b81c36

  • memory/3300-0-0x0000000074A5E000-0x0000000074A5F000-memory.dmp

    Filesize

    4KB

  • memory/3300-1-0x00000000001A0000-0x00000000002DE000-memory.dmp

    Filesize

    1.2MB

  • memory/3300-2-0x0000000004B20000-0x0000000004BBC000-memory.dmp

    Filesize

    624KB

  • memory/3300-3-0x0000000004BC0000-0x0000000004CF4000-memory.dmp

    Filesize

    1.2MB

  • memory/3300-4-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/3300-8-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-5-0x0000000000400000-0x0000000000522000-memory.dmp

    Filesize

    1.1MB

  • memory/4300-9-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-10-0x0000000005EC0000-0x0000000006464000-memory.dmp

    Filesize

    5.6MB

  • memory/4300-11-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB

  • memory/4300-12-0x0000000074A50000-0x0000000075200000-memory.dmp

    Filesize

    7.7MB