Analysis

  • max time kernel
    95s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-10-2024 02:32

General

  • Target

    2024-10-13_4eafac4eede96b0a20e22399f23b659a_cryptolocker.exe

  • Size

    43KB

  • MD5

    4eafac4eede96b0a20e22399f23b659a

  • SHA1

    be7266d408250f7ba5e9419cfbadf69fbea7ed87

  • SHA256

    c0a45df3cc48817e1abdb1101c804db9e853008b704003620c1a906e9fe9d41c

  • SHA512

    4aa46bc66405b74cd8042e22bd9af86b32c2f37e2a6ff9dcf28f7899b4def9f7e011bd257d426ee296eff00de40f972bd0c7dbb341ac7cf8126f791c556b381f

  • SSDEEP

    768:lQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLt8i:lj+VGMOtEvwDpjk8i

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\2024-10-13_4eafac4eede96b0a20e22399f23b659a_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_4eafac4eede96b0a20e22399f23b659a_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:436
    • 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:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    dd84816fc252bccf9bd283ba98a60d1a

    SHA1

    f0a6f8429e189c895b4499b00e980697ce977697

    SHA256

    e0d4143ee93f11c7479d56198bb9369ee816f24426806e98248ab9576d7ab9f0

    SHA512

    5800ac33f2ed5ce1a14404b35f5087100aa8074ce8d7a64ac79de2c387580891de6db203f3527097b74f80331e001039dd17369f9641368df0d0eb9cdc912d80

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/436-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/436-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/436-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

    Filesize

    24KB

  • memory/436-3-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/436-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2164-19-0x0000000002060000-0x0000000002066000-memory.dmp

    Filesize

    24KB

  • memory/2164-20-0x0000000002090000-0x0000000002096000-memory.dmp

    Filesize

    24KB

  • memory/2164-48-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB