Analysis

  • max time kernel
    134s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-08-2024 10:54

General

  • Target

    7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe

  • Size

    417KB

  • MD5

    93a4bb1b1672d07128cc01f98ee00e5f

  • SHA1

    677dbf9a459b234f9f960bf314b1c13e5cb78bcf

  • SHA256

    7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039

  • SHA512

    51cca1cc80e2f950e20bfd974e806c4edeb9f67b52ad7685c421fca362cf3df7ae42cb1f803d924a7f788802507b4fa9e5778937710aee6b2deea8e21ba93987

  • SSDEEP

    6144:6SpwTEOzPSK5U2SoJ8VWackrV1ZmXRWLgKocUq8nOfaIROo71YvK09lw+45B:N+IK5U2SoysImwLQcUqgsPBYv745B

Malware Config

Signatures

  • 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\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe
    "C:\Users\Admin\AppData\Local\Temp\7ae99c71371709eb39b02255de36dea86a91ac461dba0e04db1dccbfff2f9039.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1264
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1264 -s 252
      2⤵
      • Program crash
      PID:4780
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1264 -ip 1264
    1⤵
      PID:3580

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1264-0-0x000000000032C000-0x00000000003BF000-memory.dmp

      Filesize

      588KB

    • memory/1264-1-0x00000000002C0000-0x00000000003BF000-memory.dmp

      Filesize

      1020KB

    • memory/1264-3-0x00000000002C0000-0x00000000003BF000-memory.dmp

      Filesize

      1020KB

    • memory/1264-2-0x000000000032C000-0x00000000003BF000-memory.dmp

      Filesize

      588KB