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Analysis

  • max time kernel
    95s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/12/2024, 22:22

General

  • Target

    JaffaCakes118_3acd3697cb4c6a2dd4426380acc277e7.exe

  • Size

    417KB

  • MD5

    3acd3697cb4c6a2dd4426380acc277e7

  • SHA1

    216f64f99559602631872efa71a3499ef395710a

  • SHA256

    3d9f1de39760d512dbddcab1e75364290cb0ae62a1d9d57493c59412678e349b

  • SHA512

    f258c3120300e8d92d425f82a993df044c434662fb876d6497160e607111850f85caec4b99784a30dc99ccf5b7236c13d87d0172891b8d00771eea2f391a01bf

  • SSDEEP

    6144:6SpwTEOzPSK5U2SoJ8VWack7V1ZmXRWLgKocUq8nOfaIROo71YvK09lw+45B:N+IK5U2SoysomwLQcUqgsPBYv745B

Malware Config

Signatures

  • Expiro family
  • Expiro, m0yv

    Expiro aka m0yv is a multi-functional backdoor written in C++.

  • Expiro payload 4 IoCs
  • 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.

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3acd3697cb4c6a2dd4426380acc277e7.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3acd3697cb4c6a2dd4426380acc277e7.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 252
      2⤵
      • Program crash
      PID:4300
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4752 -ip 4752
    1⤵
      PID:3936

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/4752-0-0x000000000054C000-0x00000000005DF000-memory.dmp

      Filesize

      588KB

    • memory/4752-1-0x00000000004E0000-0x00000000005DF000-memory.dmp

      Filesize

      1020KB

    • memory/4752-2-0x000000000054C000-0x00000000005DF000-memory.dmp

      Filesize

      588KB

    • memory/4752-3-0x00000000004E0000-0x00000000005DF000-memory.dmp

      Filesize

      1020KB