Analysis

  • max time kernel
    150s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:13

General

  • Target

    cennc284.exe_.dll

  • Size

    242KB

  • MD5

    1464222bfbb222169def2e7a165e48d4

  • SHA1

    5731405d109454c1d055a183f4d2f37f6808efc5

  • SHA256

    4bbf19f2ad9ac3f5a816b918e5a2523f40f182b4847ef5ac6daca66094eb36e5

  • SHA512

    18e84cfda3e75f0093cae2d44da8325dc3872602d91caaf17742c24ac5574a78ddb2df6d405bc3d9ef5125415014a3595427943d5537f91c14339a5de881d617

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\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\cennc284.exe_.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\cennc284.exe_.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1964
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe //E:jscript "C:\Users\Public\anFJjtYxH.eB_c_
        3⤵
          PID:1152
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:636
      • C:\Windows\system32\wbem\WmiApSrv.exe
        C:\Windows\system32\wbem\WmiApSrv.exe
        1⤵
          PID:1524

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

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        Downloads

        • C:\Users\Public\anFJjtYxH.eB_c_

          MD5

          bf9cfe46e69997b0d8ac4ffb528ab0df

          SHA1

          399337ad73221675067a85f3251e31042886d536

          SHA256

          395df3a563bc865221738b938998e6a45094f5c396302e4f151631e78aeb9d2d

          SHA512

          f432a42d355d5ac058dd68660b9d0a7bd901eaf3b55fd184b3fb2c7b075523eca7e1262bc757fc2600934112fde781823d721a32754f87f6501f487b36b10fa9

        • memory/1152-1-0x0000000000000000-mapping.dmp

        • memory/1152-3-0x00000000029B0000-0x00000000029B4000-memory.dmp

          Filesize

          16KB

        • memory/1964-0-0x0000000000000000-mapping.dmp