Analysis

  • max time kernel
    236s
  • max time network
    229s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-07-2022 23:21

General

  • Target

    5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe

  • Size

    189KB

  • MD5

    310fa3e9f8e0785c50b14da66d8fe8b9

  • SHA1

    b51afedfa3f3875665322fb0af10f0e85ab6c3ee

  • SHA256

    5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8

  • SHA512

    ab3677c29fe6033efb503980583c9fa0133af730db95e9e87545a418aca135c74322e56e8500b97832d4db9db91a647c5f59d405cb89815816b58bfed5fd423e

Score
10/10

Malware Config

Signatures

  • Locky

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

  • Loads dropped DLL 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
    "C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3340
    • C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe
      "C:\Users\Admin\AppData\Local\Temp\5d789e79aa723ebc576297623719d78211bc3bb61bb04af2556e59dfacf61cc8.exe"
      2⤵
        PID:4000

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\nsdB4CB.tmp\System.dll
      Filesize

      11KB

      MD5

      ca332bb753b0775d5e806e236ddcec55

      SHA1

      f35ef76592f20850baef2ebbd3c9a2cfb5ad8d8f

      SHA256

      df5ae79fa558dc7af244ec6e53939563b966e7dbd8867e114e928678dbd56e5d

      SHA512

      2de0956a1ad58ad7086e427e89b819089f2a7f1e4133ed2a0a736adc0614e8588ebe2d97f1b59ab8886d662aeb40e0b4838c6a65fbfc652253e3a45664a03a00

    • memory/3340-131-0x0000000003010000-0x000000000302D000-memory.dmp
      Filesize

      116KB

    • memory/3340-132-0x0000000003010000-0x000000000302D000-memory.dmp
      Filesize

      116KB

    • memory/4000-133-0x0000000000000000-mapping.dmp
    • memory/4000-134-0x00000000001D0000-0x00000000001F7000-memory.dmp
      Filesize

      156KB

    • memory/4000-135-0x0000000001FB0000-0x0000000001FD7000-memory.dmp
      Filesize

      156KB

    • memory/4000-136-0x0000000001FB0000-0x0000000001FD7000-memory.dmp
      Filesize

      156KB