Analysis

  • max time kernel
    135s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-11-2024 06:17

General

  • Target

    2024-11-02_af2b5de9ecfbc7865155de86d9dc9b38_cryptolocker.exe

  • Size

    76KB

  • MD5

    af2b5de9ecfbc7865155de86d9dc9b38

  • SHA1

    8ab6345eb88220dfcfc2a4d2fad2de08379e2b9d

  • SHA256

    64028ad6c506434dbcec3f644dbb89ba750cc8e6e347f582b65fbadc4ea6db5c

  • SHA512

    9c347fddf48e96b5477c782e38c7adb60088a4038107a2b96e21942b3419b0a1284bb498068e5870f93b9cc0e922e83b7f0a6faba0f71acaa181f1b5e9823c69

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUPGZ:xj+VGMOtEvwDpjubwQEI8UPGZ

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\2024-11-02_af2b5de9ecfbc7865155de86d9dc9b38_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-11-02_af2b5de9ecfbc7865155de86d9dc9b38_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:208
    • 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:2528

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    77KB

    MD5

    ae53ff55c9a5b310a3d86c16dddba4aa

    SHA1

    b2437995d867b48370dd92e760206453c92ce980

    SHA256

    d280d8b41f1810c92a91eb0522cb27fb220faf15e56ddb9d03e5108a3fa751f0

    SHA512

    5b2a9bd1b32d6863b923f93cccf039570e6e9fb6fbc34d0356a76433de508676b0038f3c599ecaaffabe29b3e16fd5bcd4dfc5ff1fe4985f3c3c5b110f3292d1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/208-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/208-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/208-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/208-3-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/208-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2528-19-0x0000000000660000-0x0000000000666000-memory.dmp

    Filesize

    24KB

  • memory/2528-20-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/2528-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB