Analysis

  • max time kernel
    94s
  • 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
    19-09-2024 05:24

General

  • Target

    2024-09-19_19d4893354c84b867d54b56d9dedf292_cryptolocker.exe

  • Size

    37KB

  • MD5

    19d4893354c84b867d54b56d9dedf292

  • SHA1

    6d8decf465b1dc7ef57d724c840e2e7410383700

  • SHA256

    e73f15266480ce21624f22af46cfdd66854bfb3c7ade2ea26f6d6b28f88752a3

  • SHA512

    fc74274449bf7598839f68403058d1d0762252a3ece6c7c4f04abf4c170ce56af815d87e015ec7ef106dad1b58b7e95b7e1f0f8550c509a42e57642037084718

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRle:m5nkFNMOtEvwDpjG8hhXXe

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\2024-09-19_19d4893354c84b867d54b56d9dedf292_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_19d4893354c84b867d54b56d9dedf292_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3560
    • 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:2348

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    37KB

    MD5

    0b09ddebfeecf654cf15db6f5582ed24

    SHA1

    a821e06aeef8c251182ba7fb1e181e884aac30b1

    SHA256

    a488e0d69d743a254abdd609e5c47b0d9666e2415cb39d3ad5d65e292039a63e

    SHA512

    216543e9801de82dc39bf4a63befa5e7ef16d23a72aae8462596eb63450f56f68cf855cee7f722cd30e4130819f28a19f62f0ce4e3e417a519375f7314508750

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2348-19-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2348-20-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/2348-49-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3560-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/3560-1-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3560-2-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/3560-3-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/3560-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB