Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 13:09

General

  • Target

    2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe

  • Size

    82KB

  • MD5

    604f6d3f4592957034f4a92d12b02802

  • SHA1

    0543373b27bcabe17b55fc5818ab547de5a2419a

  • SHA256

    8603e8c06151f8f15451896e53d2ac8bff96fc1d163475f77c8a22cf0919b040

  • SHA512

    20f5dcf3b63fcecc00f8de93c9b001a68d26963390d305b5e937822bffb66816bf8a615e55ef0fe41702696e86e1845dd1cdd3a2c3d14f1323e27f9003427a96

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUv1o:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8+

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).

  • 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.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_604f6d3f4592957034f4a92d12b02802_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    82KB

    MD5

    05f781cf38909a3ba0b9d349cccb760d

    SHA1

    0e20139ec6540b1bad555e98dd407025b2a1a066

    SHA256

    ab1eccb87ddfc5428b5cd5a154c087d960f97c35072f4d5c6fd67f9fb1a6de66

    SHA512

    aff642e2791fc73f3ec9e2ffea6bd3f21114029e320998b3b5f26ec7473ca92986d292eb2994bad9173ed06a5cea2a47b8dbf971507071957177ef961caba547

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2944-20-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/2944-26-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/2944-50-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4980-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4980-1-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4980-2-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/4980-3-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/4980-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB