Analysis

  • max time kernel
    94s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-09-2024 02:26

General

  • Target

    2024-09-12_194663fcd1212c5bb83e54f5f70e038b_cryptolocker.exe

  • Size

    62KB

  • MD5

    194663fcd1212c5bb83e54f5f70e038b

  • SHA1

    ed130102f9077fbedaeaf56e22aa87c4b0ea15ed

  • SHA256

    b58148b1f19c77bc38262f2cdf7684046b92b0b928f7b0d62f5648756f723b7b

  • SHA512

    d04e99f33aa891e6f356929e1d8218f7594d3883f69df903f125cfe7c6e9a55f3c91c3451c8fb547aaa98bcb10b386415b337a1c437c1da3d847627104ddd465

  • SSDEEP

    768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG96:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxW/

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\2024-09-12_194663fcd1212c5bb83e54f5f70e038b_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_194663fcd1212c5bb83e54f5f70e038b_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3220
    • 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:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    23559060ff3417716fb94fdee6048cbf

    SHA1

    36c98086e4ea9a0e4f3b6433d0861260c828da38

    SHA256

    093c442390ba984a649ac0bb099278bd8132e44df65c358ca1b138b09e21670f

    SHA512

    f81fc265f73bf96013fcf36fd5d8199ec53347f6bf2d365684d583df6cbf5bba9bd88c0812ff9a04972e59904965d191d2b4dac0e6c59a1ee045d887ddcf737a

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2824-19-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB

  • memory/2824-20-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/2824-48-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3220-0-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB

  • memory/3220-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3220-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

    Filesize

    24KB

  • memory/3220-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

    Filesize

    24KB

  • memory/3220-17-0x0000000000500000-0x000000000050B000-memory.dmp

    Filesize

    44KB