Analysis

  • max time kernel
    93s
  • max time network
    124s
  • 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 06:32

General

  • Target

    2024-09-19_db2432d330d82a479b8c0e58a62d9e91_cryptolocker.exe

  • Size

    60KB

  • MD5

    db2432d330d82a479b8c0e58a62d9e91

  • SHA1

    df69d78775ad324afff94a9b7ef6a322223725bd

  • SHA256

    d50582cefc7f8f79ecc7ad63edbd93fcb4aaa2bc442e1b077ca078d0f6db7c82

  • SHA512

    829b993b4a272558939590fbe2ec0402045b26ff531f9f6c49225e9a71706b382085770fc97f637b3a4ef27b29aa8bba1f422f0bc93238c77337f6f77dec86aa

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7Mz6+3:xj+VGMOtEvwDpjubwQElk

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_db2432d330d82a479b8c0e58a62d9e91_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-19_db2432d330d82a479b8c0e58a62d9e91_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2484
    • 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:5076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    71346ed7e33cd5453a9192dca689bcd6

    SHA1

    c00c68c75457bd557c35e43b4abdc04d27392dfb

    SHA256

    276c5481eca405f207e6e37bd89f86c96dec4138a1dbf8e996f225e0802623c0

    SHA512

    37ab3f856c75ff0d66682e679a948775c810612e4a6bd6b30ef0c8606b31249b9f05d10473ff9932495b40fa64455c8128e2f95efa30362552d0507027f1eba7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2484-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2484-1-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2484-2-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2484-3-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/2484-18-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5076-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/5076-21-0x00000000005D0000-0x00000000005D6000-memory.dmp

    Filesize

    24KB

  • memory/5076-20-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/5076-49-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB