Analysis

  • max time kernel
    93s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/11/2024, 03:26

General

  • Target

    2024-11-20_5ab7507d98bcea21c8723172f468f02c_cryptolocker.exe

  • Size

    51KB

  • MD5

    5ab7507d98bcea21c8723172f468f02c

  • SHA1

    aa401c95bfeb01671b8a7370c1a277f7051eb83c

  • SHA256

    2b5e24116a2e5363bc0360948b780f9aba61939069d7fef8eee79143b0db7f84

  • SHA512

    a427e46f52b24ebde47ef3bdbb0bb29100ad6288798e146c018de85b3588417a6e70b6a86072d42cc76ed73dd2410705c268570a6c7050fff5580063f8fa6f8d

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nw:vj+jsMQMOtEvwDpj5HczerLO04B7

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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-20_5ab7507d98bcea21c8723172f468f02c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-20_5ab7507d98bcea21c8723172f468f02c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3060
    • 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:3512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    16b8ff4972ee6610884fa312af3d6ca8

    SHA1

    07b4f5198a3473c95745f5967946dda0977c626c

    SHA256

    c709e5f9a9b1676f02f46ed986c24ce43c5642befdf99de039583ac039fb8f02

    SHA512

    5821d9d30decebb92bc47c90da76ed2eac08b81c81140a788584fde2a772c97b8b33c20bb1ef098fc36dbe5c9d078a4d96d0f763ba8448cb3576752cf1e3f29c

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3060-0-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/3060-1-0x0000000002300000-0x0000000002306000-memory.dmp

    Filesize

    24KB

  • memory/3060-2-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/3512-17-0x00000000005C0000-0x00000000005C6000-memory.dmp

    Filesize

    24KB

  • memory/3512-18-0x00000000005F0000-0x00000000005F6000-memory.dmp

    Filesize

    24KB