Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2024 07:25

General

  • Target

    2024-01-24_1dc397326ea5a75dcda610d71299be31_cryptolocker.exe

  • Size

    42KB

  • MD5

    1dc397326ea5a75dcda610d71299be31

  • SHA1

    7403a17bdcc6be1121878d2bf304a7f64f80a08d

  • SHA256

    6d8d48efd5bcafb1aaff0e506210413dbd143c2f65fbc672e3823e16efa7f597

  • SHA512

    d237e1924c4e7bd84326e1d6a5e07f902eb50bb8e96a8a82e35ad2c66818ea407f13198f2a7322da85ca677dae12fa09019ff4872e7fceb6cad81afa7884115e

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkp2:vj+jsMQMOtEvwDpj5HW5Ii2

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-01-24_1dc397326ea5a75dcda610d71299be31_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-24_1dc397326ea5a75dcda610d71299be31_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1244
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2980

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    04c3faa75224e27e1409812ce4ce7a55

    SHA1

    a15cf9b745fe31cec1d44e420220f30f180d1bda

    SHA256

    07528e9b10820252e6da3d75da6c49430a969a9f37aad07d48a1674cefe94e8e

    SHA512

    1adce1005cec60d45c277505914b51184b54549ec15276f429a80ac080fadbf8672be706a53bc5d829ea9232ea3b8d2e675d388fcd19c15dace2384d4b417574

  • memory/1244-0-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1244-2-0x0000000000450000-0x0000000000456000-memory.dmp

    Filesize

    24KB

  • memory/1244-1-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2980-15-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/2980-22-0x00000000004A0000-0x00000000004A6000-memory.dmp

    Filesize

    24KB