Analysis

  • max time kernel
    122s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/08/2023, 16:43

General

  • Target

    36009ac6bfa27fe6c1bcdf2bb12007de_cryptolocker_JC.exe

  • Size

    80KB

  • MD5

    36009ac6bfa27fe6c1bcdf2bb12007de

  • SHA1

    9a3ba0e7b87c46366f20a9dde2d1374ca0aee2e7

  • SHA256

    b67198f64f8b86bd4fa2619a3746e518a8627beb8071ff8f968ae87028f32015

  • SHA512

    73c7bfedf91128c53fc8d1c49969cd0140d588b78d15c6631eea59d1cd49e10e6da408e4c5d2bc6d76fc41664a4b7932861b9aed73e2239ec0e8d7ff0c0f81cc

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUo:i5nkFGMOtEvwDpjNbwQEI8UtzNcOT

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\36009ac6bfa27fe6c1bcdf2bb12007de_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\36009ac6bfa27fe6c1bcdf2bb12007de_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2716
    • 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:1744

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    80KB

    MD5

    1d02a32546643f0d5d548d2a02bfa274

    SHA1

    f17f1aa1188b6ddfc63acbd86956556218f54772

    SHA256

    71affaf83f59406bdcda09b7d0928b0de32b054e05567e072285717796dacbe5

    SHA512

    cd21de199cae80c264841cd79a9fcc8ea361fd966ccad0e1671c4309c1ee0ef29dc7dc3cc196fe5069ed3e1665a6870fb88f23d27078ecb99d72886f1d8f633d

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

    Filesize

    80KB

    MD5

    1d02a32546643f0d5d548d2a02bfa274

    SHA1

    f17f1aa1188b6ddfc63acbd86956556218f54772

    SHA256

    71affaf83f59406bdcda09b7d0928b0de32b054e05567e072285717796dacbe5

    SHA512

    cd21de199cae80c264841cd79a9fcc8ea361fd966ccad0e1671c4309c1ee0ef29dc7dc3cc196fe5069ed3e1665a6870fb88f23d27078ecb99d72886f1d8f633d

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

    Filesize

    80KB

    MD5

    1d02a32546643f0d5d548d2a02bfa274

    SHA1

    f17f1aa1188b6ddfc63acbd86956556218f54772

    SHA256

    71affaf83f59406bdcda09b7d0928b0de32b054e05567e072285717796dacbe5

    SHA512

    cd21de199cae80c264841cd79a9fcc8ea361fd966ccad0e1671c4309c1ee0ef29dc7dc3cc196fe5069ed3e1665a6870fb88f23d27078ecb99d72886f1d8f633d

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1744-154-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/1744-151-0x00000000020F0000-0x00000000020F6000-memory.dmp

    Filesize

    24KB

  • memory/1744-182-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2716-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2716-134-0x0000000002290000-0x0000000002296000-memory.dmp

    Filesize

    24KB

  • memory/2716-135-0x0000000002290000-0x0000000002296000-memory.dmp

    Filesize

    24KB

  • memory/2716-136-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB

  • memory/2716-152-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB