Analysis

  • max time kernel
    148s
  • max time network
    149s
  • 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 07:58

General

  • Target

    2024-10-12_8a0df7480d553975b21c5c9ecf2a87ef_cryptolocker.exe

  • Size

    45KB

  • MD5

    8a0df7480d553975b21c5c9ecf2a87ef

  • SHA1

    9c2993046d0b7e9647e988514155c732ce7f8f97

  • SHA256

    8b00ba6f8194e93be813e009be77d626ad3b914a7ab5d90f586fef9f7425b106

  • SHA512

    0fe9bb9de9c431229e64850fc9054b0933b61ccbd2038317a1e77b7173f3848a4214f66c336bb022931121c68d115e62eb7722f4b7147778bd7bc261fd47ec31

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvgpnY1n9w+:m5nkFNMOtEvwDpjG8hgpY19d

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_8a0df7480d553975b21c5c9ecf2a87ef_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_8a0df7480d553975b21c5c9ecf2a87ef_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2252
    • 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:2300

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    45KB

    MD5

    36d2e779b92e58e0e6598405eeba2ed1

    SHA1

    6ab72afe66c4d5ad2dfb98144c6253ec8ba00193

    SHA256

    1441626f2e782190100cbfad3a7143fc62881e151b741a3dd6bcdce7ef039ec8

    SHA512

    ac4680184a6d76e5d8885c33c35aa6264550397b08ae1e2546bbe8672baf1cd344c267653ba4d983814b02bc13629a3cf5612fa603dbda2ab0303f3a6bfde363

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2252-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2252-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2252-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2252-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2252-16-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2300-19-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB

  • memory/2300-20-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/2300-47-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB