Analysis

  • max time kernel
    149s
  • 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
    31-03-2024 13:03

General

  • Target

    5518dd63ae04917f0647f698d49f5c1a_JaffaCakes118.exe

  • Size

    32KB

  • MD5

    5518dd63ae04917f0647f698d49f5c1a

  • SHA1

    fdf1f3970ab95e67765517bb29b8e2dc06bfcc5e

  • SHA256

    51b9a732f19371ba83e4d9f920665d7ff402a57782ff43fd447cff2c73c6397d

  • SHA512

    297af2b964d802effa7ceda0a16027d3a63da84f581bdc5fa9bc6d668cb0fd5493931287e875f92f4fc8f769ffc68735ee62d3ccfa21882b44bd1947ee65bfe4

  • SSDEEP

    384:DaONo4AbpW5tdzMOs4UQWEctJpoI7lZdS6/pCqomSDxr2QmUa3P4keIKDQckRKD9:DaO6/Q5t5rUzEcCUDfqxr294dT90PG+

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/8ce405ad-0ec4-4b82-9f2d-8d4ceab524d7/Lotrcnlgrg.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\5518dd63ae04917f0647f698d49f5c1a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5518dd63ae04917f0647f698d49f5c1a_JaffaCakes118.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4428 -s 1776
      2⤵
      • Program crash
      PID:1352
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 208 -p 4428 -ip 4428
    1⤵
      PID:5008

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4428-0-0x0000000000EE0000-0x0000000000EEE000-memory.dmp

      Filesize

      56KB

    • memory/4428-1-0x0000000074790000-0x0000000074F40000-memory.dmp

      Filesize

      7.7MB

    • memory/4428-2-0x0000000005A00000-0x0000000005A10000-memory.dmp

      Filesize

      64KB

    • memory/4428-3-0x0000000074790000-0x0000000074F40000-memory.dmp

      Filesize

      7.7MB