Analysis

  • max time kernel
    95s
  • 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
    02/10/2024, 06:25

General

  • Target

    2024-10-02_2deaa083b352c47446b7974bc4d267cb_cryptolocker.exe

  • Size

    86KB

  • MD5

    2deaa083b352c47446b7974bc4d267cb

  • SHA1

    574e79bf28535c80ff6b91d4a4cca55f0885cd20

  • SHA256

    daad966517b683c4cf3e832b4cbf00eac4cf4645c098f2496f5245fc4e9893af

  • SHA512

    31392c09b6f74c821393bf9e84eba0e74691814f10e9bede31ff828cacae1f20b78bb62051b325b91b7145d860fac04a146999ccb2b9207e7ac2af7eff11618b

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrCs9:TCjsIOtEvwDpj5HE/OUHnSMB

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 10 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-02_2deaa083b352c47446b7974bc4d267cb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_2deaa083b352c47446b7974bc4d267cb_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3912
    • 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:1632

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    86KB

    MD5

    e04894d90ee538f1ce9a424e265eba4b

    SHA1

    543f2f6a0502e4a9fe884d24b7212727b54279bc

    SHA256

    57fc724a145e511944605559540d9a367afd6ef7bdd1c31e1d18e9ee438a6b08

    SHA512

    cdd0e543cc2ce82ae502fff29599c05eabc4a734e37a49042e32b9e2a225b5c52f2c9d567ca92a5c68ad4170ff753ff667321c3783a6142f388161ed277dc001

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1632-19-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/1632-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

    Filesize

    24KB

  • memory/1632-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3912-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3912-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3912-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/3912-3-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/3912-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB