Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-04-2024 18:34

General

  • Target

    a37e7dab62e1bc27058e90fa26bd5e60_JaffaCakes118.exe

  • Size

    76KB

  • MD5

    a37e7dab62e1bc27058e90fa26bd5e60

  • SHA1

    8e08ca884b5490b9efc9f7cc8b2408eefbf96338

  • SHA256

    accad8825cb1550525445007a28a4d2ac8b5db15a6b403d78a4177262a1f681b

  • SHA512

    d3a8e07f08254801ef485a6c6ab8e1a1241c12207f97337bba143c3c3bddc508e57e1f1ef14ffd43303fd527f4300f3ca843945c54c3ae460cc58c3d7d851f0b

  • SSDEEP

    768:spwNDD9IULFMBc237bobA7ymRd0uxUDTJL6oNsgBvAyox0cv:s09IULFMAAiu6JL6oNsgFAyox0cv

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/11b37007-c27c-4263-8cd6-c28d9e32aac3/Zeohrnnbxotvwryxp.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\a37e7dab62e1bc27058e90fa26bd5e60_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a37e7dab62e1bc27058e90fa26bd5e60_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3960 -s 1776
      2⤵
      • Program crash
      PID:4568
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3960 -ip 3960
    1⤵
      PID:4648

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3960-0-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/3960-1-0x0000000000180000-0x0000000000198000-memory.dmp

      Filesize

      96KB

    • memory/3960-2-0x0000000004A70000-0x0000000004A80000-memory.dmp

      Filesize

      64KB

    • memory/3960-3-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB

    • memory/3960-4-0x0000000004A70000-0x0000000004A80000-memory.dmp

      Filesize

      64KB

    • memory/3960-5-0x0000000074FE0000-0x0000000075790000-memory.dmp

      Filesize

      7.7MB