Analysis

  • max time kernel
    139s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    04-06-2022 07:51

General

  • Target

    113880f0ac34edce7cdc19fc151d4d974c4c0b39991ff2bc4cd6f62648d48e37.dll

  • Size

    242KB

  • MD5

    4aeeb8d5f73f841fcf29d1f0e7565453

  • SHA1

    d093748ddd86667566c9ecfa9717e35af97c3a8b

  • SHA256

    113880f0ac34edce7cdc19fc151d4d974c4c0b39991ff2bc4cd6f62648d48e37

  • SHA512

    af1aa8d345225153da32b99ca2ea1a4a76f5fd4a6e1b88bc5e739bbc6d63743cb2749d70091cbd0fa81660bc07c0c01c4fe1af8de7518bad677cb51d815690dd

Malware Config

Extracted

Family

metasploit

Version

encoder/fnstenv_mov

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Blocklisted process makes network request 3 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\113880f0ac34edce7cdc19fc151d4d974c4c0b39991ff2bc4cd6f62648d48e37.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3408
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\113880f0ac34edce7cdc19fc151d4d974c4c0b39991ff2bc4cd6f62648d48e37.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:3424
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3424 -s 1848
        3⤵
        • Program crash
        PID:4140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3424 -ip 3424
    1⤵
      PID:4248

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3424-130-0x0000000000000000-mapping.dmp
    • memory/3424-131-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-133-0x0000000000AF0000-0x0000000000B14000-memory.dmp
      Filesize

      144KB

    • memory/3424-132-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-134-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-136-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-137-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-138-0x0000000010000000-0x0000000010091000-memory.dmp
      Filesize

      580KB

    • memory/3424-139-0x0000000000AF0000-0x0000000000B14000-memory.dmp
      Filesize

      144KB