Analysis

  • max time kernel
    92s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-11-2024 07:48

General

  • Target

    2024-11-21_deda69915fa1c70fbce52251a6839ce1_cryptolocker.exe

  • Size

    53KB

  • MD5

    deda69915fa1c70fbce52251a6839ce1

  • SHA1

    646ec3f010ebc6e4c427d0d980aeeaed661885ca

  • SHA256

    cdac98ed1c547100be3fa834774de5aca588b7781b317b4e6b7b99d6145dc977

  • SHA512

    485b9275763f65fc250cf443c890c817fbefb915e9a06d84927d15a11740a2c09b4f27f4e480d4e676e4ee2c80cef9f7b6cba81096285f8d99def3f6aebda532

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4hdCW1nw71TkhsiPn1YFvP0A:vj+jsMQMOtEvwDpj5HH1nw73KOFD

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\2024-11-21_deda69915fa1c70fbce52251a6839ce1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_deda69915fa1c70fbce52251a6839ce1_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2872
    • 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:4012

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    479a30f92bdb36f636f71f74bc5b9c98

    SHA1

    d0a3e48119d27177f265f66053547809a6d270a2

    SHA256

    a06419600ed399c7608a76882503b9909354ec0a5f07a447bf0cf71a7f66ae4b

    SHA512

    143164e6dac152a7013c0588c3893a29434f3a47680d0608842a644cf359857fcf89478591106b0b134c5d84f51a5cbd05de454c83a1dbfa14e14933e1bc6073

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2872-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2872-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2872-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4012-18-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/4012-17-0x0000000000640000-0x0000000000646000-memory.dmp

    Filesize

    24KB