Analysis

  • max time kernel
    143s
  • max time network
    137s
  • 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 05:34

General

  • Target

    19bdba4c02f3e286b2d7047e76e25aad356748edcec95e37634face159894eb2.exe

  • Size

    417KB

  • MD5

    bc4fdfc216dbd521f810b8305e38637a

  • SHA1

    69abe447bae71e7a0b481f922de4b6161fb8989d

  • SHA256

    19bdba4c02f3e286b2d7047e76e25aad356748edcec95e37634face159894eb2

  • SHA512

    1d301bd8087402b829152c984440d0e684a504ce3f09772e2ddb998d2e2881041485674650146328776c2ab09bcfe2359fcc119c9184c3e5996da4dcd296f395

  • SSDEEP

    6144:HSpwTEOzPSK5U2SoJ8VWackFV1ZmXRWLgKocUq8nOfaIROo71YvK09lw+45B:y+IK5U2SoysGmwLQcUqgsPBYv745B

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\19bdba4c02f3e286b2d7047e76e25aad356748edcec95e37634face159894eb2.exe
    "C:\Users\Admin\AppData\Local\Temp\19bdba4c02f3e286b2d7047e76e25aad356748edcec95e37634face159894eb2.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    PID:1768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1768 -s 252
      2⤵
      • Program crash
      PID:2512
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1768 -ip 1768
    1⤵
      PID:1464

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • memory/1768-0-0x000000000024C000-0x00000000002DF000-memory.dmp

      Filesize

      588KB

    • memory/1768-1-0x00000000001E0000-0x00000000002DF000-memory.dmp

      Filesize

      1020KB

    • memory/1768-2-0x000000000024C000-0x00000000002DF000-memory.dmp

      Filesize

      588KB

    • memory/1768-3-0x00000000001E0000-0x00000000002DF000-memory.dmp

      Filesize

      1020KB