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Analysis

  • max time kernel
    66s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/07/2023, 18:22

General

  • Target

    1b2f91b4787ca6exeexeexeex.exe

  • Size

    44KB

  • MD5

    1b2f91b4787ca6e78347464a72911bac

  • SHA1

    26d5db17f9b73f8ced2be2cd6e6c6a870e3dfa26

  • SHA256

    62e2122a141a40c6c1339b5c989de5ef23521181d0ea00033eae72bfb777df24

  • SHA512

    6b2d51cee2486ebb44030d971bc64f4f7ac3314dc96f769f24ffcf6fd418cc05a93491f2ae41921d248f90600589c044604dc787628689a58141dd8834d7623d

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8iB23I/:vj+jsMQMOtEvwDpj5HczR/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1b2f91b4787ca6exeexeexeex.exe
    "C:\Users\Admin\AppData\Local\Temp\1b2f91b4787ca6exeexeexeex.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4328
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:1396

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    44KB

    MD5

    807f402cb65fea9e278e9e1999300caf

    SHA1

    dcb0569b5430d9532a0803fa9676c5ea27b6f8b2

    SHA256

    6956939cd62a165e96c2977a0deedb455f28b9165ed8b711a393be1c47a17fb3

    SHA512

    850fe930436cc84d27e496e1051ee31c24ee17cabc42a41bbae600c60a2d87a983101f1c6a21bfd454c4736cc33e2adf3be8eb312e5d3e4ff36060ded8649237

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    44KB

    MD5

    807f402cb65fea9e278e9e1999300caf

    SHA1

    dcb0569b5430d9532a0803fa9676c5ea27b6f8b2

    SHA256

    6956939cd62a165e96c2977a0deedb455f28b9165ed8b711a393be1c47a17fb3

    SHA512

    850fe930436cc84d27e496e1051ee31c24ee17cabc42a41bbae600c60a2d87a983101f1c6a21bfd454c4736cc33e2adf3be8eb312e5d3e4ff36060ded8649237

  • C:\Users\Admin\AppData\Local\Temp\misid.exe

    Filesize

    44KB

    MD5

    807f402cb65fea9e278e9e1999300caf

    SHA1

    dcb0569b5430d9532a0803fa9676c5ea27b6f8b2

    SHA256

    6956939cd62a165e96c2977a0deedb455f28b9165ed8b711a393be1c47a17fb3

    SHA512

    850fe930436cc84d27e496e1051ee31c24ee17cabc42a41bbae600c60a2d87a983101f1c6a21bfd454c4736cc33e2adf3be8eb312e5d3e4ff36060ded8649237

  • C:\Users\Admin\AppData\Local\Temp\misids.exe

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1396-149-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4328-133-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4328-134-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB