Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-10-2024 04:55

General

  • Target

    2024-10-12_3a2df719ca206c6869bc968b5c4f1b9f_cryptolocker.exe

  • Size

    73KB

  • MD5

    3a2df719ca206c6869bc968b5c4f1b9f

  • SHA1

    dc9cc451e8d9197a006340c9d8978f85f806492c

  • SHA256

    7827f0d1afb1983f680171a261f6bf41a30b002aac1f683523f45d7a6ab7f1dc

  • SHA512

    d4052a45d07c131f84d8103391dfe15047ddd5c746708edfdc09acd17c9734b9bb3cfecae6f9285b855f172bb3086a950eaf74189e4a0206d46f1cf776448d7c

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R/:vj+jsMQMOtEvwDpj5HZYTjipvF24X

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\2024-10-12_3a2df719ca206c6869bc968b5c4f1b9f_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_3a2df719ca206c6869bc968b5c4f1b9f_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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:4340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    73KB

    MD5

    126ed2402e3c8e99444de5b874ecec6c

    SHA1

    87cfcf819f3a837da5789d460848f75744f6585d

    SHA256

    62549a83eb3209d68ccb73759ddd686938a6245e2cdfd8a827655659b3e35d1c

    SHA512

    1581f2e9cfc76fc2805833079cbff9ba2b413dca9b9103c3fa48af3c1db85f90e6112ea8c99fe5d63fd1961d2c4bdcb92ce8064827d63e81a4c383ef9da65a51

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2280-0-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/2280-1-0x0000000000690000-0x0000000000696000-memory.dmp

    Filesize

    24KB

  • memory/2280-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4340-17-0x0000000000740000-0x0000000000746000-memory.dmp

    Filesize

    24KB

  • memory/4340-23-0x0000000000610000-0x0000000000616000-memory.dmp

    Filesize

    24KB