Analysis

  • max time kernel
    95s
  • 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
    30/09/2024, 02:32

General

  • Target

    2024-09-30_c214cb60973d46d64acc26fc69ed8a0b_cryptolocker.exe

  • Size

    40KB

  • MD5

    c214cb60973d46d64acc26fc69ed8a0b

  • SHA1

    69dd634223ee81c033e0daec4d84374b41d7fb3b

  • SHA256

    e9da6a504a206478d2a7a898a363075ec8492875d3b62c61565e9e33a117e227

  • SHA512

    228652dcd39bca91e07e8dd055cbb63950f1e0c4389e355ef8dc7aa828152f15462f8a86af0c757be2ede07b5242b0faa1427f9b4ec7573d5dd011011441f544

  • SSDEEP

    768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4qcx:fT+hsMQMOtEvwDpjoIHl

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\2024-09-30_c214cb60973d46d64acc26fc69ed8a0b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-30_c214cb60973d46d64acc26fc69ed8a0b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3480
    • 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:1996

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    5045f3cb31dc9e0e25dddca54955a8d8

    SHA1

    19281452931f3330aa48cb8ec03a3d3ab410fbc8

    SHA256

    afcff0f050f85004953b45c26092b2b5964f9d5cdac9fb6e10f4fa8ee9c4f1d8

    SHA512

    b3fe8149e3009ff1aa50616f02aa74409f6092ee886c1fcc2838f709037cfa7874d150886fa91d651256c9d263a928a104f194a5808bd357366c1ded508a71ba

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1996-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/1996-18-0x00000000006D0000-0x00000000006D6000-memory.dmp

    Filesize

    24KB

  • memory/3480-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3480-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3480-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB