Analysis

  • max time kernel
    143s
  • 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
    24-08-2023 15:46

General

  • Target

    82019d657286bb63e700caf60def9b88_cryptolocker_JC.exe

  • Size

    76KB

  • MD5

    82019d657286bb63e700caf60def9b88

  • SHA1

    4f6fd9cd2b93e9fbda63a8325152b5a25be1460f

  • SHA256

    5ed416e029cbc1aa08803b8d57062f0b59f627c2e6eca844ac606beceaa3e556

  • SHA512

    ec44280286885eabea43596321c33af93f8e2ae201b88715712ff1efc4cbef7d6b7aba14d8b760e14619e92cc8c62e8241625fec77e2bae066d288c019044ad4

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMN:TCjsIOtEvwDpj5HE/OUHnSMT

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\82019d657286bb63e700caf60def9b88_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\82019d657286bb63e700caf60def9b88_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4388
    • 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:2896

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    76KB

    MD5

    19e8bb503633bef1e79fa0d5c996a345

    SHA1

    23346224a4df3ae0948c4410803e7fda6bc64761

    SHA256

    fb1cdeb060cf6ab6bb30ff4a7b3a0790a3f5dc309c10e90f29f74066208fc916

    SHA512

    36aad7a08a65c0f5895f4fa0b36814aabf968133e3bb42aac4b90da5cfd569a5e07b313b45c0452c79dcbefd5ef671aceda6da651881bf836c400d40e55a8566

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

    Filesize

    76KB

    MD5

    19e8bb503633bef1e79fa0d5c996a345

    SHA1

    23346224a4df3ae0948c4410803e7fda6bc64761

    SHA256

    fb1cdeb060cf6ab6bb30ff4a7b3a0790a3f5dc309c10e90f29f74066208fc916

    SHA512

    36aad7a08a65c0f5895f4fa0b36814aabf968133e3bb42aac4b90da5cfd569a5e07b313b45c0452c79dcbefd5ef671aceda6da651881bf836c400d40e55a8566

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

    Filesize

    76KB

    MD5

    19e8bb503633bef1e79fa0d5c996a345

    SHA1

    23346224a4df3ae0948c4410803e7fda6bc64761

    SHA256

    fb1cdeb060cf6ab6bb30ff4a7b3a0790a3f5dc309c10e90f29f74066208fc916

    SHA512

    36aad7a08a65c0f5895f4fa0b36814aabf968133e3bb42aac4b90da5cfd569a5e07b313b45c0452c79dcbefd5ef671aceda6da651881bf836c400d40e55a8566

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2896-19-0x0000000001FF0000-0x0000000001FF6000-memory.dmp

    Filesize

    24KB

  • memory/2896-20-0x0000000001FD0000-0x0000000001FD6000-memory.dmp

    Filesize

    24KB

  • memory/2896-48-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4388-0-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/4388-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/4388-2-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/4388-3-0x00000000021B0000-0x00000000021B6000-memory.dmp

    Filesize

    24KB

  • memory/4388-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB