Analysis

  • max time kernel
    143s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-07-2022 11:35

General

  • Target

    21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe

  • Size

    372KB

  • MD5

    e3b3e285390c0e2f7d04bd040bec790d

  • SHA1

    dbee71535e9f1fb23b3f01e25989d22d51237e68

  • SHA256

    21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6

  • SHA512

    6156a6b0ff4f41c823cba68a4596676e357ceb5b8c0848c2828a72321dbc2a731d9ae8f1a417fe27aef7de0080001ad3f77b3809b64a93c610ae99f95b35f5be

Malware Config

Signatures

  • Locky

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

  • Locky (Osiris variant)

    Variant of the Locky ransomware seen in the wild since early 2017.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe
    "C:\Users\Admin\AppData\Local\Temp\21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6.exe"
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    PID:4444
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4936
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -pss -s 444 -p 4552 -ip 4552
      1⤵
        PID:1164
      • C:\Windows\system32\WerFault.exe
        C:\Windows\system32\WerFault.exe -u -p 4552 -s 588
        1⤵
        • Program crash
        PID:4780

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Discovery

      System Information Discovery

      1
      T1082

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/4444-130-0x0000000002F10000-0x0000000002F37000-memory.dmp
        Filesize

        156KB

      • memory/4444-131-0x0000000002F10000-0x0000000002F37000-memory.dmp
        Filesize

        156KB

      • memory/4444-132-0x0000000000400000-0x0000000000462000-memory.dmp
        Filesize

        392KB

      • memory/4444-134-0x0000000003AB0000-0x0000000003AD7000-memory.dmp
        Filesize

        156KB

      • memory/4444-135-0x0000000003AB0000-0x0000000003AD7000-memory.dmp
        Filesize

        156KB