Analysis

  • max time kernel
    133s
  • max time network
    103s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-08-2024 02:35

General

  • Target

    a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe

  • Size

    124KB

  • MD5

    a50e735727b96726987d54ea87baddd4

  • SHA1

    d313aba601539d8747c488c6183fa095b6bc5bda

  • SHA256

    dd91c369faf07b8ca84cbf9457a7c82b083b18be6d4b111fbde42f134d063f99

  • SHA512

    f7160eff7c296802fff47c23acec0eb9bc8cc4979021b2d49803767c8cb06e2af0a1a51f988268aa8c5d797c59d997914da3e033ec2159ea9a0d0cbdfdc54e49

  • SSDEEP

    768:qgz4cMUSoskidhu7XhZMLh4hN3fWzhsTAzflM6EndrdNIKviaILQ3:qtcEosVdhShZW8N3uzn9M6MdrdNR6xO

Malware Config

Extracted

Family

purecrypter

C2

https://store2.gofile.io/download/f3b14c59-13f8-41a4-ad34-9dd54fbba556/Djujwylniujperkjdiousa.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\a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a50e735727b96726987d54ea87baddd4_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:3712
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3712 -s 1784
      2⤵
      • Program crash
      PID:4896
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3712 -ip 3712
    1⤵
      PID:1988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3712-0-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/3712-1-0x0000000000300000-0x0000000000324000-memory.dmp

      Filesize

      144KB

    • memory/3712-2-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-3-0x0000000074A3E000-0x0000000074A3F000-memory.dmp

      Filesize

      4KB

    • memory/3712-4-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB

    • memory/3712-5-0x0000000074A30000-0x00000000751E0000-memory.dmp

      Filesize

      7.7MB