Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/11/2024, 06:47

General

  • Target

    2024-11-21_56638c7992addf377b5d2b799f3d21d9_cryptolocker.exe

  • Size

    61KB

  • MD5

    56638c7992addf377b5d2b799f3d21d9

  • SHA1

    ff418e5a8972ddf84bb412108d0671b08b790ff5

  • SHA256

    8da38a95dc8e3f86d06a675d4b0bc78e85fb2261edde948d4cda555f38eda394

  • SHA512

    a8707308fb9d4f7b6d4fdbea297f79f1aed43993540388190503240e9094ed9a29c8f89e2e8e8d2c1a777635698a5cfae3279e8dc667029d46dc12830a08678c

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMa:TCjsIOtEvwDpj5HE/OUHnSMp

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 5 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-11-21_56638c7992addf377b5d2b799f3d21d9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-21_56638c7992addf377b5d2b799f3d21d9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2512
    • 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:4940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    fd127ca5999d1f4ca5f154d9e0e03d8b

    SHA1

    99dd84b6f9d75408004662a89f5866d5607c8a5a

    SHA256

    bef68abb7174b51ff8f577da71228b253ecc0ea26d8bb05752045b01668b6e04

    SHA512

    6c158233b3d613212a9dc5feea7c1a98fa9253841f6cb6ad0487e545122ef118455e7438b142f410e6f67df4e4468a2984167455b9ea7b781fdaeb29cf246aa5

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2512-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2512-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2512-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2512-3-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/2512-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4940-20-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/4940-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4940-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB