Analysis

  • max time kernel
    93s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 12:14

General

  • Target

    2024-09-05_c162223bb7f521b645a8dc1c3176fb55_cryptolocker.exe

  • Size

    63KB

  • MD5

    c162223bb7f521b645a8dc1c3176fb55

  • SHA1

    17b8f63bc128a0b1509bb5a8f53fed6a3d3e5036

  • SHA256

    3cde397afb4cc95f24d94ccebe8db9cdaccbbfd212d888dec48921cbc9b397c7

  • SHA512

    ae7f0ac3756bb9c482035f1b337930755f3353f61b760d27738a5d708cc7f3f99b46110faa170ce1e1e638446e2faf3adff82a0ae09270f4f47872b15162e973

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMNuS0:TCjsIOtEvwDpj5HE/OUHnSMZT

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\2024-09-05_c162223bb7f521b645a8dc1c3176fb55_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-05_c162223bb7f521b645a8dc1c3176fb55_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2416
    • 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:432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    0a8a0905b832e29507fc3fbebc2fb962

    SHA1

    f84989c6a62cb197fa5ce8ed1c7e6413c1ca3563

    SHA256

    848ea67e161a0bb9fd22baed676776f0f6e51cf5aa31c10a8d910dd0b9637ce3

    SHA512

    92e2bc765b8d40fc4ce1d6f603c7f011aa2b3c0f3d99ad88f5766883dad04dc72b7c1b8571304c065114db123033ebf04578e4b490f9184b6082f555d223b187

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/432-19-0x0000000000750000-0x0000000000756000-memory.dmp

    Filesize

    24KB

  • memory/432-25-0x0000000000730000-0x0000000000736000-memory.dmp

    Filesize

    24KB

  • memory/432-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2416-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2416-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2416-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/2416-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

    Filesize

    24KB

  • memory/2416-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB