Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 06:50

General

  • Target

    2024-10-12_ca94f188964e8c28cb6991efa949206c_cryptolocker.exe

  • Size

    82KB

  • MD5

    ca94f188964e8c28cb6991efa949206c

  • SHA1

    29a819e72257adc5889e2b2d1ea13368be0b88a1

  • SHA256

    2b6ff656a4179c2ca675afe0bfd95a87e6de3a87346ffa6edc95d6fcc21a8478

  • SHA512

    3c9b8a494636680af26e49b27f195ff7636153c3aeaaacd5f5dc7ab0fe779d30c59927d66a13bdd62bb2624b24dc9a6cb6e58a75b1e5618d63dc61dc741e1f4b

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvW:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8W

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\2024-10-12_ca94f188964e8c28cb6991efa949206c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_ca94f188964e8c28cb6991efa949206c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4468
    • 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:4100

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    82KB

    MD5

    7c9f6dfb2d77ece0ad277e2dd62918ab

    SHA1

    29c8f8336bb0e544a004c11734efb2a9e5999078

    SHA256

    4008e2f0472cd031c9e218bcef4a3895d58c46ae2400cfc74297704034962d51

    SHA512

    1b5b109d7bb19e8bb3751bb806a149f3228f6f74f74b5d4b9f8e4d01bb490c5f6aaf41d1e2d00cf3af18fb3ff20d3aaea30df92c211246c3dccd9e18d0dd6d44

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4100-19-0x0000000000650000-0x0000000000656000-memory.dmp

    Filesize

    24KB

  • memory/4100-26-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/4100-50-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4468-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4468-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/4468-2-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/4468-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4468-25-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB