Analysis

  • max time kernel
    94s
  • max time network
    98s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 07:23

General

  • Target

    2024-10-09_1297566425e8eff446616d3b5c4c42c8_cryptolocker.exe

  • Size

    74KB

  • MD5

    1297566425e8eff446616d3b5c4c42c8

  • SHA1

    58ef98ef7f3b5a1bb5fa62a14e09fc4f50c754a7

  • SHA256

    331d8e6bfd7333aac1156e455591120c505d2ec68c47db1c132e7f3f33983ed3

  • SHA512

    b32212ceb9a1873b13fe9dfd40c865efdff4626fe4a3c0a41e65adbda1ad13bee0b5a70926fddad28aa6f0f577d34d1c8cb95153e8d6db2a100fb12d482ccbd5

  • SSDEEP

    768:9UQz7yVEhs9+4T/1bytOOtEvwDpjLXOQ69zbjlAAX5e9zP:9Uj+AIMOtEvwDpjLizbR9XwzP

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\2024-10-09_1297566425e8eff446616d3b5c4c42c8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_1297566425e8eff446616d3b5c4c42c8_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:68
    • 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:992

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    010be7558cdef526ea27258afebaeded

    SHA1

    267632d571e16cc50a4f5e106fed8af224bfdeb6

    SHA256

    2e65e22ab1094b4662d139d954baf094e15457735f73ce75159e534161ca4c03

    SHA512

    909fad72ece12c19adb72dc8deed7c7265562673e315daf8e895ca17dff89dab41a0813f956855b37540d28f9cb749f1ce9cb735ee62cfeb3f6176d8f65ffecd

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/68-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/68-0-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/68-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/992-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/992-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB