Analysis

  • max time kernel
    140s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 02:28

General

  • Target

    72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe

  • Size

    1.1MB

  • MD5

    55aebe7c9491e315b5cf0b1754cd970a

  • SHA1

    0b7b1c687363a42a5a628c6fac6dc70304d32a0f

  • SHA256

    72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e

  • SHA512

    cfe63311113b1464549db347fead8d383cfd112d1fd20ce07ff2839408b5e1de6f109bde959b8fffa80a4e1f5a4f0d5764ce210bd23b1706062d565334068d4b

  • SSDEEP

    24576:WfmMv6Ckr7Mny5QtV+1fCCVcgSdtCWniexXvWDjzUJ:W3v+7/5QtI1fCdBioqzUJ

Score
7/10

Malware Config

Signatures

  • Drops startup file 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 1 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 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe
    "C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe
      "C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
      2⤵
      • Drops startup file
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4900
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
        "C:\Users\Admin\AppData\Local\Temp\72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e.exe"
        3⤵
          PID:4184
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4900 -s 740
          3⤵
          • Program crash
          PID:4552
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4900 -ip 4900
      1⤵
        PID:208

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\contrapose\Lymnaeidae.exe

              Filesize

              1.1MB

              MD5

              55aebe7c9491e315b5cf0b1754cd970a

              SHA1

              0b7b1c687363a42a5a628c6fac6dc70304d32a0f

              SHA256

              72a8825bde9fb1600cb085e11d2b59a2b11e3c027c301fb789791e2552bda42e

              SHA512

              cfe63311113b1464549db347fead8d383cfd112d1fd20ce07ff2839408b5e1de6f109bde959b8fffa80a4e1f5a4f0d5764ce210bd23b1706062d565334068d4b

            • memory/3068-2-0x0000000003EA0000-0x00000000042A0000-memory.dmp

              Filesize

              4.0MB

            • memory/4900-10-0x0000000003EE0000-0x00000000042E0000-memory.dmp

              Filesize

              4.0MB