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Analysis

  • max time kernel
    94s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/09/2024, 00:27

General

  • Target

    2024-09-21_111df44ce20daeece0daf04ed064cd6c_cryptolocker.exe

  • Size

    57KB

  • MD5

    111df44ce20daeece0daf04ed064cd6c

  • SHA1

    ad6d5271a697444d39fd0f29504a19cd7a6af052

  • SHA256

    3a38c0b1dcf747fecb012edc5687e595fbdb33d14b6e9699e2381ab07e345436

  • SHA512

    1c717dd354216012ad25276ed41fc1883673238786bee25caf752f51558df2c2f33cca4eddd2741546c62a6d4423c7ba172b6725de7d100dde801bfd425e9b8d

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGb:6j+1NMOtEvwDpjr8ox8UDb

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\2024-09-21_111df44ce20daeece0daf04ed064cd6c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-21_111df44ce20daeece0daf04ed064cd6c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1540
    • 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:2096

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    be60d3427eca0ccb9e7b269091cf30cf

    SHA1

    babeda0951895529010d5901d5302574f625bc87

    SHA256

    4944f8c37565550c0a5fc4c7f72aa3e07842fc64455fc45a020f143535457880

    SHA512

    6ac8d3aa00802ed6dd8e701dca19fbdfc59acc4bbcff9537dc0fc0fc263b48dfdd15f12b05c818b5989683409f80f74d5ce31344a4ad4548656c099eec87f79a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1540-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1540-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/1540-2-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/1540-3-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB

  • memory/1540-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2096-19-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2096-25-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2096-50-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB