Analysis

  • max time kernel
    94s
  • max time network
    135s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2024 22:19

General

  • Target

    a469d5403003584e71c5e5bdbfc5d4e4_JaffaCakes118.dll

  • Size

    22KB

  • MD5

    a469d5403003584e71c5e5bdbfc5d4e4

  • SHA1

    adf569be634c8bd03cc1948042499545a1bd1996

  • SHA256

    e29f14ed1dc3b16a16114912695d69e7a952ca0c51374c59618bfedeac56b43a

  • SHA512

    fabdb31756703f80cf168ee43f47e1538b43e02e4f9ac648c852aa7da3b87add8aaad1a08865ff2d8f2f1e48d4122fe7faf67453924885badad63df8c2f4c15a

  • SSDEEP

    384:cbSEIxxeXVaZEFV+PC1oengot1Snb7iniHdbN8S6:cboclamUwoegIq8s5CS

Malware Config

Signatures

  • Nloader

    Simple loader that includes the keyword 'campo' in the URL used to download other families.

  • Nloader family
  • Nloader payload 2 IoCs
  • Blocklisted process makes network request 1 IoCs
  • Program crash 2 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 WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\a469d5403003584e71c5e5bdbfc5d4e4_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5004
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\a469d5403003584e71c5e5bdbfc5d4e4_JaffaCakes118.dll,#1
      2⤵
      • Blocklisted process makes network request
      • System Location Discovery: System Language Discovery
      PID:1340
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 804
        3⤵
        • Program crash
        PID:2864
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1340 -s 828
        3⤵
        • Program crash
        PID:3560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1340 -ip 1340
    1⤵
      PID:4860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 1340 -ip 1340
      1⤵
        PID:5084

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1340-3-0x0000000000D30000-0x0000000000D35000-memory.dmp

        Filesize

        20KB

      • memory/1340-0-0x0000000010000000-0x0000000010007000-memory.dmp

        Filesize

        28KB