Analysis

  • max time kernel
    142s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-08-2023 10:39

General

  • Target

    80a42d0b8b0e1c598d64de83f782e7b1_cryptolocker_JC.exe

  • Size

    91KB

  • MD5

    80a42d0b8b0e1c598d64de83f782e7b1

  • SHA1

    eb96efbb78c6f56966c26c9392d8bd32e2a88698

  • SHA256

    9b6aa41425ba91ba8d79aa87bf7aeae956c5b6b93b881609fc2f5fef18ada6d5

  • SHA512

    e2d3b48bd2a74002e8cc7944a9bfc9c6726f7fc7ae4c0b8d1a43184524ed381dc029380d5c2d9f22f54c16de497f865e6456994d6269173c32ea458e9ab1202d

  • SSDEEP

    1536:ZzFbxmLPWQMOtEvwDpj386Sj/Rs580giz6SJ0U/6h:ZVxkGOtEvwDpjcT

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\80a42d0b8b0e1c598d64de83f782e7b1_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\80a42d0b8b0e1c598d64de83f782e7b1_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1780
    • 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:4536

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    92KB

    MD5

    afac48ce45d87d4a03492fde89aa7558

    SHA1

    6e05893b584a41d372fe357acbfd92ce09a17634

    SHA256

    62f0c1e69a7ca42e1c79f0ce688fc2ec39536db050d7e3b3afc9b509a6e9e717

    SHA512

    f8983453c285918e3b43302bafd0a9d689e577bc40a571112ed97f18da535ecf6acb08fe56ca501e8fd2da4eff162e95972f47a177ecdf6c06b9c8b873ccb9ba

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

    Filesize

    92KB

    MD5

    afac48ce45d87d4a03492fde89aa7558

    SHA1

    6e05893b584a41d372fe357acbfd92ce09a17634

    SHA256

    62f0c1e69a7ca42e1c79f0ce688fc2ec39536db050d7e3b3afc9b509a6e9e717

    SHA512

    f8983453c285918e3b43302bafd0a9d689e577bc40a571112ed97f18da535ecf6acb08fe56ca501e8fd2da4eff162e95972f47a177ecdf6c06b9c8b873ccb9ba

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

    Filesize

    92KB

    MD5

    afac48ce45d87d4a03492fde89aa7558

    SHA1

    6e05893b584a41d372fe357acbfd92ce09a17634

    SHA256

    62f0c1e69a7ca42e1c79f0ce688fc2ec39536db050d7e3b3afc9b509a6e9e717

    SHA512

    f8983453c285918e3b43302bafd0a9d689e577bc40a571112ed97f18da535ecf6acb08fe56ca501e8fd2da4eff162e95972f47a177ecdf6c06b9c8b873ccb9ba

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1780-133-0x0000000000410000-0x0000000000413000-memory.dmp

    Filesize

    12KB

  • memory/1780-134-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1780-135-0x0000000002210000-0x0000000002216000-memory.dmp

    Filesize

    24KB

  • memory/1780-136-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/1780-150-0x0000000000410000-0x0000000000413000-memory.dmp

    Filesize

    12KB

  • memory/4536-151-0x0000000000460000-0x00000000004A0000-memory.dmp

    Filesize

    256KB

  • memory/4536-153-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/4536-154-0x0000000000510000-0x0000000000516000-memory.dmp

    Filesize

    24KB