Analysis

  • max time kernel
    144s
  • max time network
    12s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:14

General

  • Target

    haao1.cab.exe_.dll

  • Size

    180KB

  • MD5

    8147c86a51001c09e34e8c3517e2bac4

  • SHA1

    d6f4260a55bbdd62627a562ff599a9e842c1c62f

  • SHA256

    a6c6ab892399b0496ffcd15d3af8dc8840818439367b990f60f51c95c8e56305

  • SHA512

    a786cf9c8419179557acf1c1fa4016b6989514a5db44b39681ea89a0f17d2f1a5592d602ba52fa137d135ae40ff05e05e278a2db4c116e06b1f47d80f9b476ea

Score
10/10

Malware Config

Signatures

  • Valak

    Valak is a JavaScript loader, a link in a chain of distribution of other malware families.

  • Valak JavaScript Loader 2 IoCs
  • JavaScript code in executable 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\haao1.cab.exe_.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Windows\SysWOW64\regsvr32.exe
      /s C:\Users\Admin\AppData\Local\Temp\haao1.cab.exe_.dll
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1352
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe //E:jscript "C:\Users\Public\anFJjtYxH.eB_c_
        3⤵
          PID:804
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:652
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:1712

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Public\anFJjtYxH.eB_c_

          MD5

          bf9cfe46e69997b0d8ac4ffb528ab0df

          SHA1

          399337ad73221675067a85f3251e31042886d536

          SHA256

          395df3a563bc865221738b938998e6a45094f5c396302e4f151631e78aeb9d2d

          SHA512

          f432a42d355d5ac058dd68660b9d0a7bd901eaf3b55fd184b3fb2c7b075523eca7e1262bc757fc2600934112fde781823d721a32754f87f6501f487b36b10fa9

        • memory/804-1-0x0000000000000000-mapping.dmp

        • memory/804-3-0x00000000027A0000-0x00000000027A4000-memory.dmp

          Filesize

          16KB

        • memory/1352-0-0x0000000000000000-mapping.dmp