Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2023 18:37

General

  • Target

    a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe

  • Size

    55KB

  • MD5

    a1eb26f28c27a801df534656bae95f60

  • SHA1

    721179f93b65ae228cf2432ac5ada606bc2ec286

  • SHA256

    e66dfb72532fa83a03b1351c42aa4aee9f26e4e7e4905528c6cb88ede88653d3

  • SHA512

    51718a63e5215958c84354fee0367489ff17cd4e37935047f0d96bc36fd49361e55f9ded3f3412d100e6e99eaa4b5a4228be3c10990981ef624e848d77289587

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNb6kZq/gqASiLmQ9d:i5nkFGMOtEvwDpjNb6kZq8hLmQ9d

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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a1eb26f28c27a801df534656bae95f60_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4168
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1276

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    3200cb4cf64b4d15fa93f207905265e1

    SHA1

    e4bf7918015e21ec75e09c2577d1c3aa81ff2207

    SHA256

    5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

    SHA512

    d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

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

    Filesize

    55KB

    MD5

    3200cb4cf64b4d15fa93f207905265e1

    SHA1

    e4bf7918015e21ec75e09c2577d1c3aa81ff2207

    SHA256

    5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

    SHA512

    d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

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

    Filesize

    55KB

    MD5

    3200cb4cf64b4d15fa93f207905265e1

    SHA1

    e4bf7918015e21ec75e09c2577d1c3aa81ff2207

    SHA256

    5dd9e336b090705a9c66c378f36eda4fec25696a7c2fa43ab2bd6612c135c481

    SHA512

    d56514fd0aa6446c55110ffd619b284c2ff77eeef4c7608874400a56f8c0526ed884c6f48158dde288476bf04aeef7649e191527b770ae2094505687e6e66d5b

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1276-153-0x0000000002100000-0x0000000002106000-memory.dmp

    Filesize

    24KB

  • memory/1276-152-0x00000000020E0000-0x00000000020E6000-memory.dmp

    Filesize

    24KB

  • memory/1276-181-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4168-133-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4168-134-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/4168-135-0x0000000002280000-0x0000000002286000-memory.dmp

    Filesize

    24KB

  • memory/4168-136-0x00000000021A0000-0x00000000021A6000-memory.dmp

    Filesize

    24KB

  • memory/4168-150-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB