Analysis

  • max time kernel
    134s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 14:15

General

  • Target

    b3ca9ea70521ff9900d5c3ebce7ffb01_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    b3ca9ea70521ff9900d5c3ebce7ffb01

  • SHA1

    fe7f6e2b6b494b33df04bcb4342ea9dbf954661f

  • SHA256

    46b01de5f199f7736eb4770ff74ef8d70a76140218f10fef2f1a0906ac2066b5

  • SHA512

    8b7b0a63eb85bbeb651342aa90bf337fbe57a101d60d6fddef444a59a99600ec1ecd0f2a5dd3e0a5938f2490f71476c0fee4e8eb5658720f2c3bac011bc6f4c0

  • SSDEEP

    24576:SFE//Tct4bOsp2M+b/6e/eTcPILh7wMjlzuXwUecaWI5HchnG:gSVpJ+b/6+eTciwMZAL/nIl

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 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:\Users\Admin\AppData\Local\Temp\b3ca9ea70521ff9900d5c3ebce7ffb01_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b3ca9ea70521ff9900d5c3ebce7ffb01_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1004
    • C:\Users\Admin\AppData\Local\Temp\server.exe
      C:\Users\Admin\AppData\Local\Temp/server.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 336
        3⤵
        • Program crash
        PID:4404
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2500 -s 344
        3⤵
        • Program crash
        PID:3692
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2500 -ip 2500
    1⤵
      PID:3420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 2500 -ip 2500
      1⤵
        PID:4340

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\aut60BD.tmp

        Filesize

        836KB

        MD5

        db6db2a9c690835d9e5703daf286ce8d

        SHA1

        915e4777e71e1a3110d41a63015bf7f146257977

        SHA256

        532ce674cf922659ba2a3776cbc73eb2fd465da05246c835e8d32da7779bd0b0

        SHA512

        f366424df7a1ca81ea91d38d44ca444c050f6801f0dbf0b9d947e47e36228a8f541e6e49be4d3ae5eb5e53d2a46bc8602fb8b7409e1a219809f8bf20b7b8da1c

      • memory/1004-0-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB

      • memory/1004-11-0x0000000000400000-0x00000000004C1000-memory.dmp

        Filesize

        772KB

      • memory/2500-20-0x00000000753F0000-0x00000000754E0000-memory.dmp

        Filesize

        960KB

      • memory/2500-19-0x0000000075410000-0x0000000075411000-memory.dmp

        Filesize

        4KB

      • memory/2500-18-0x0000000002320000-0x0000000002330000-memory.dmp

        Filesize

        64KB

      • memory/2500-17-0x00000000773F2000-0x00000000773F3000-memory.dmp

        Filesize

        4KB

      • memory/2500-16-0x00000000022A0000-0x00000000022B0000-memory.dmp

        Filesize

        64KB

      • memory/2500-13-0x0000000000920000-0x000000000095D000-memory.dmp

        Filesize

        244KB

      • memory/2500-15-0x00000000024B0000-0x00000000024C0000-memory.dmp

        Filesize

        64KB

      • memory/2500-21-0x00000000753F0000-0x00000000754E0000-memory.dmp

        Filesize

        960KB

      • memory/2500-14-0x0000000000400000-0x0000000000589000-memory.dmp

        Filesize

        1.5MB

      • memory/2500-12-0x0000000000900000-0x0000000000901000-memory.dmp

        Filesize

        4KB

      • memory/2500-23-0x0000000000920000-0x000000000095D000-memory.dmp

        Filesize

        244KB

      • memory/2500-22-0x0000000000400000-0x0000000000589000-memory.dmp

        Filesize

        1.5MB

      • memory/2500-24-0x00000000753F0000-0x00000000754E0000-memory.dmp

        Filesize

        960KB