Analysis

  • max time kernel
    94s
  • max time network
    143s
  • 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, 04:10

General

  • Target

    2024-11-21_cc17ca74a22ace45b489a29602b6d694_cryptolocker.exe

  • Size

    29KB

  • MD5

    cc17ca74a22ace45b489a29602b6d694

  • SHA1

    69b2ea40a1d62e5eeef3ae2d071e85b1e5315615

  • SHA256

    a486d49a57eb80fdd50fb005a45668a18e2dcb0c99bc5acab4044c33c306be55

  • SHA512

    8fbfd15ee48ae4d318fc31ca4f730bbeb55ef78d24610378d589ec8604ca8f2a625880261a88138a400731587563b426143f775c9bcc6c34b3258774fbf6f855

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9hk:vQz7yVEhs9+js1SQtOOtEvwDpjz9+qK

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_cc17ca74a22ace45b489a29602b6d694_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_cc17ca74a22ace45b489a29602b6d694_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4592
    • 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:3612

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    29KB

    MD5

    96450c635a9a41e91c7c538a33995a0a

    SHA1

    e20f283028d661b47780e2987663a4f25957be8e

    SHA256

    a0b720e65e508240229245b19b3ba292b44785b9d9f891cdb97e4b76a359f765

    SHA512

    bceeec58d842e58f99c7cfcbf6e289798e7a92b1a6d546de59a9f00c7007791c2f006a1291e5c9842bfa4d467602a16a7b8c2ad7cbbe2f4d77ed35689c8d0064

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/3612-17-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3612-23-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4592-0-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/4592-1-0x0000000002140000-0x0000000002146000-memory.dmp

    Filesize

    24KB

  • memory/4592-2-0x0000000002040000-0x0000000002046000-memory.dmp

    Filesize

    24KB