Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 08:54

General

  • Target

    e09367e4c8c23541902285438711ec86_JaffaCakes118.exe

  • Size

    76KB

  • MD5

    e09367e4c8c23541902285438711ec86

  • SHA1

    a865889a7805c1a7b3f8600ecee600ec42a67674

  • SHA256

    12eac304f48075b2a3d7263a4b8182ddc676e1ccd04a16162770a1ca78671311

  • SHA512

    bd8e1a8e1238709406c9bcde25002743cb14d24e3f913f683ae2876c4668f561d10cf3511b530b603b4ecf2b4384e535d43460db0c28a247482c9941e2810550

  • SSDEEP

    768:4I9o/4IULFMBc237bobA7ymRd0uxUDTJL6oNsgBvAyox0ca:4zgIULFMAAiu6JL6oNsgFAyox0ca

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/6fb0c576-83d8-4417-af4f-63b222e1139e/Kxcelkhyponfk.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\e09367e4c8c23541902285438711ec86_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e09367e4c8c23541902285438711ec86_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2292 -s 1772
      2⤵
      • Program crash
      PID:408
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2292 -ip 2292
    1⤵
      PID:4412

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2292-0-0x0000000000AC0000-0x0000000000AD8000-memory.dmp

      Filesize

      96KB

    • memory/2292-1-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-2-0x00000000013C0000-0x00000000013D0000-memory.dmp

      Filesize

      64KB

    • memory/2292-3-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2292-4-0x00000000013C0000-0x00000000013D0000-memory.dmp

      Filesize

      64KB

    • memory/2292-5-0x0000000074B00000-0x00000000752B0000-memory.dmp

      Filesize

      7.7MB