Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-11-2024 18:16

General

  • Target

    2024-11-01_b23ed3780bf057e1c4c6ab52ce8d52c2_cryptolocker.exe

  • Size

    33KB

  • MD5

    b23ed3780bf057e1c4c6ab52ce8d52c2

  • SHA1

    a59cfc3667f216c21b4f00d8aec579db13fd82e8

  • SHA256

    68cd0b49fa78d4c78ae94125437cdab2e62adf6440584c6de746f6e475699819

  • SHA512

    105a29225c217ac1a44cee745e02c110b587415e720e9bf3c8bae9f8bfb3f1500e448bc42a0201c4b79eaa3b25cba034203a8e50febeb07700f5c31a6f0cbe9c

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Ukd:vj+jsMQMOtEvwDpj5Hck

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\2024-11-01_b23ed3780bf057e1c4c6ab52ce8d52c2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-01_b23ed3780bf057e1c4c6ab52ce8d52c2_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:736
    • 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:944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    33KB

    MD5

    db6e9f5e74f85ba16aabf988f52a986f

    SHA1

    596c8ccc0335abf0cffabe2565849c3ccc30320b

    SHA256

    b6959f246afe90450fc36b2e9f850e6e6cc120a6033263af79ce6424d395804a

    SHA512

    65a74f3ba3f609e1dcbe49460f417b462d5696bd0751e116af1bb0f398adf4712da9d1e48eb81afafeb1da9a1f4b34ee746555088f7674281be37225ea788b8c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/736-0-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/736-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/736-2-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/944-17-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/944-23-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB