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Analysis

  • max time kernel
    138s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/08/2023, 20:05

General

  • Target

    a68688ed7e1950cc6f6511b549b130c7_cryptolocker_JC.exe

  • Size

    50KB

  • MD5

    a68688ed7e1950cc6f6511b549b130c7

  • SHA1

    70d0afb1e0748417e2bbc00b1fccd8382fd4f779

  • SHA256

    b45582d97fc363455618bd1472f4b291db4e67ec5f51c41953ec400898b7496d

  • SHA512

    26e62c1fd54cfb696fb4aa0b97189739a75b1d879663d0ef413dbad83bd41cd670c97fcb9a502c65028a8ef731cd96b608677a33854d57c15ffe665036965bd3

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QCj+:6j+1NMOtEvwDpjr8oxEg+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a68688ed7e1950cc6f6511b549b130c7_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a68688ed7e1950cc6f6511b549b130c7_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4960
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    475e28cad9405e82e814dfcc37312c4a

    SHA1

    4fc691306222014ef8e0a2f575ccfd04028618ac

    SHA256

    e6fe1274fa34ae0bb7d1ddddc9ae7c4401b3446ba0cd4563c6f7e64fd139a00c

    SHA512

    d86b1c9d93372d61b8fa7da25124694fb729261267849a53393f82868c18ce6042eddff93cc457f77ed27c0b7299059e044cd82448b441b5841caf358734d98d

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

    Filesize

    50KB

    MD5

    475e28cad9405e82e814dfcc37312c4a

    SHA1

    4fc691306222014ef8e0a2f575ccfd04028618ac

    SHA256

    e6fe1274fa34ae0bb7d1ddddc9ae7c4401b3446ba0cd4563c6f7e64fd139a00c

    SHA512

    d86b1c9d93372d61b8fa7da25124694fb729261267849a53393f82868c18ce6042eddff93cc457f77ed27c0b7299059e044cd82448b441b5841caf358734d98d

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

    Filesize

    50KB

    MD5

    475e28cad9405e82e814dfcc37312c4a

    SHA1

    4fc691306222014ef8e0a2f575ccfd04028618ac

    SHA256

    e6fe1274fa34ae0bb7d1ddddc9ae7c4401b3446ba0cd4563c6f7e64fd139a00c

    SHA512

    d86b1c9d93372d61b8fa7da25124694fb729261267849a53393f82868c18ce6042eddff93cc457f77ed27c0b7299059e044cd82448b441b5841caf358734d98d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4644-20-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4644-19-0x0000000002080000-0x0000000002086000-memory.dmp

    Filesize

    24KB

  • memory/4644-48-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4960-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4960-1-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/4960-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB

  • memory/4960-3-0x00000000006B0000-0x00000000006B6000-memory.dmp

    Filesize

    24KB

  • memory/4960-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB