Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-09-2024 07:18

General

  • Target

    ddf050af2bbaaceb9ab27facc2240dfe_JaffaCakes118.exe

  • Size

    18KB

  • MD5

    ddf050af2bbaaceb9ab27facc2240dfe

  • SHA1

    1193d161fd69393508f4a4ff244e98278381ae71

  • SHA256

    7028532110df76fd267d80153b26e0f5bc23660da571fed3a384e662c3892f11

  • SHA512

    1088c9df494e8d4ba5dec0e6d8019a64f6de8f5c7cd42a12044ab7f6f5f83cb9a630fcefe45b0f0417f437f3404a3bdaecf5367b3615d9898dff50f85b088bd2

  • SSDEEP

    384:4K9UXI4X3VgI0ZM5KamFKDQCkEKDVbJEp5KDGPGAnZf:4KmA4K7p9mPGKZf

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/38942a0f-72a3-4786-993a-4d304342d755/Zgejnrtx.dll

Signatures

  • PureCrypter

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ddf050af2bbaaceb9ab27facc2240dfe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ddf050af2bbaaceb9ab27facc2240dfe_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 524 -s 1776
      2⤵
      • Program crash
      PID:3044
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 524 -ip 524
    1⤵
      PID:8

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/524-0-0x000000007528E000-0x000000007528F000-memory.dmp

      Filesize

      4KB

    • memory/524-1-0x00000000008D0000-0x00000000008DA000-memory.dmp

      Filesize

      40KB

    • memory/524-2-0x0000000075280000-0x0000000075A30000-memory.dmp

      Filesize

      7.7MB

    • memory/524-3-0x000000007528E000-0x000000007528F000-memory.dmp

      Filesize

      4KB

    • memory/524-4-0x0000000075280000-0x0000000075A30000-memory.dmp

      Filesize

      7.7MB

    • memory/524-5-0x0000000075280000-0x0000000075A30000-memory.dmp

      Filesize

      7.7MB