Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2024 23:17

General

  • Target

    7d0ab695c712dccd72a7eba3f2db14be_JaffaCakes118.exe

  • Size

    76KB

  • MD5

    7d0ab695c712dccd72a7eba3f2db14be

  • SHA1

    9a2ab2c1e9a4e4315110cd446450526641f06db2

  • SHA256

    baddb56c76c155fd267142a7d131a7526644fde87c04f0a031e9354f3a10465a

  • SHA512

    8675544b76afddc51eb3f6eb4db3007293a4e0149d32524540aad4cc02f3c9e2b5df5dc130c3747630952be60781d44e25ff7ea404b84205bb3ba0b1d80d5ca7

  • SSDEEP

    768:lIv/MicLIULFMBc237bobA7ymRd0uxUDTJL6oNsgBvAyox0cU:luCLIULFMAAiu6JL6oNsgFAyox0cU

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/8f4b715b-b774-4bce-b2ed-2b0e811119e8/Wsyytcpdwievapelubhdra.dll

Signatures

  • PureCrypter

    PureCrypter is a .NET malware loader first seen in early 2021.

  • Program crash 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7d0ab695c712dccd72a7eba3f2db14be_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7d0ab695c712dccd72a7eba3f2db14be_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3696 -s 1776
      2⤵
      • Program crash
      PID:1964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3696 -ip 3696
    1⤵
      PID:5000

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3696-1-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-0-0x00000000006E0000-0x00000000006F8000-memory.dmp

      Filesize

      96KB

    • memory/3696-2-0x0000000004F80000-0x0000000004F90000-memory.dmp

      Filesize

      64KB

    • memory/3696-3-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB

    • memory/3696-4-0x0000000074F00000-0x00000000756B0000-memory.dmp

      Filesize

      7.7MB