Analysis

  • max time kernel
    1187s
  • max time network
    1200s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    13-04-2023 22:24

General

  • Target

    56y4g45gh45h.exe

  • Size

    91KB

  • MD5

    91d8ab08a37f9c26a743380677aa200d

  • SHA1

    e64e4617c8bdb5c6c3ae30e73d8211400651c8ba

  • SHA256

    d0431537537c9c73f5a1b90b46b560cac4be82feb5ac14d47163a9f4b4fa1a41

  • SHA512

    72d9ef9e26afa70ffe797a79fe3840e6b45d8e4ce863e4ea4eeda5b990f1e692c859addad49fdf7dfb41ad737cee88892caede348bdee13dc98fa5f8f57f7864

  • SSDEEP

    1536:lf0kZhST9p9VTME6Pd+u7RVvGlhRuqeyyD+bNaI+/x8SHO532QhqyIucYqRbwKGc:lflhk9VwZP7RxUKXy/Z8x8oAsucZtz

Score
10/10

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

  • Executes dropped EXE 1 IoCs
  • Program crash 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\56y4g45gh45h.exe
    "C:\Users\Admin\AppData\Local\Temp\56y4g45gh45h.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 560
      2⤵
      • Program crash
      PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 572
      2⤵
      • Program crash
      PID:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 576
      2⤵
      • Program crash
      PID:4368
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2484 -s 616
      2⤵
      • Program crash
      PID:4736
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • Executes dropped EXE
      PID:4764

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

    Filesize

    93KB

    MD5

    4e4a8812b80c8542a3095a53c29f5441

    SHA1

    6218bd4eba6d91007d8b8c32a040194ec123f5b6

    SHA256

    2cbf3ac4f304fa711e23d6a8a762451b7b06550d56b7bd688d4c6d1bee9984db

    SHA512

    5bfd0bb53db5e4c6abe8dbed61a14244e107061bd29319a30e6dc8ee1c87f9d88ead7c843494a0b927d32efbf95e9510eb4d67df6bc3f4c849c80798523a071b

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

    Filesize

    93KB

    MD5

    4e4a8812b80c8542a3095a53c29f5441

    SHA1

    6218bd4eba6d91007d8b8c32a040194ec123f5b6

    SHA256

    2cbf3ac4f304fa711e23d6a8a762451b7b06550d56b7bd688d4c6d1bee9984db

    SHA512

    5bfd0bb53db5e4c6abe8dbed61a14244e107061bd29319a30e6dc8ee1c87f9d88ead7c843494a0b927d32efbf95e9510eb4d67df6bc3f4c849c80798523a071b

  • memory/2484-121-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB

  • memory/2484-125-0x0000000000400000-0x000000000041B000-memory.dmp

    Filesize

    108KB