Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-04-2024 23:29

General

  • Target

    efc321c36f4e1634c063378e4c3b3918_JaffaCakes118.exe

  • Size

    28KB

  • MD5

    efc321c36f4e1634c063378e4c3b3918

  • SHA1

    97761a7e2ffa6fb8948184c2091099c681261a79

  • SHA256

    17324605be6f982cfcc72159f95280a29ccd42e1c57f8701ecfb9ddd6a8a4b7f

  • SHA512

    c2c9086b2d95efab45527cdddad2ebafd5a3c4196a897e0ca111f43c50778d9468d444fe3573e717a3e44eebbd84c5fb1b6d6842f27f505ab5d9192d23ec0c2b

  • SSDEEP

    384:LXhMsjem623pFSVc/j7gVOYU9pspDNRPaw7/VWf+RmUqEiFKzi:LXhMsjem6QLgV+sp5UaTNFi

Malware Config

Extracted

Family

purecrypter

C2

https://redessociaissmm.com/wp-content/documentation/File.png

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\efc321c36f4e1634c063378e4c3b3918_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\efc321c36f4e1634c063378e4c3b3918_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1812 -s 1452
      2⤵
      • Program crash
      PID:3344
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1812 -ip 1812
    1⤵
      PID:2816

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1812-0-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB

    • memory/1812-1-0x0000000000380000-0x000000000038C000-memory.dmp

      Filesize

      48KB

    • memory/1812-2-0x0000000004DB0000-0x0000000004DC0000-memory.dmp

      Filesize

      64KB

    • memory/1812-3-0x0000000074E00000-0x00000000755B0000-memory.dmp

      Filesize

      7.7MB