Analysis

  • max time kernel
    142s
  • max time network
    145s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    26-06-2020 08:11

General

  • Target

    49988373.dat.dll

  • Size

    267KB

  • MD5

    c13fa265ff56bed339c54e428f144f80

  • SHA1

    6029e8cb1a5167d2e886e3aea2922d997e3cf11c

  • SHA256

    659812b78542044d9ebb46743ecda037762a71a49f05322d5fa9bd8b3337d0d4

  • SHA512

    51b7bfba56c625148e74477e9138534fc9bbdfb71ad2ac94416b79507a327dbe69532f2d5bedbd5dd19e608a16f2aa136b8b3198d8352c07f5083cb0f4e7fe1b

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 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\49988373.dat.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3104
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\49988373.dat.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe //E:jscript "C:\Users\Public\mUDSqcHQn.pAnNR
        3⤵
          PID:3824
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:3192

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Public\mUDSqcHQn.pAnNR

        MD5

        cbeff86974572b0a4e4f47a571b0298e

        SHA1

        e16d9a2bb4040fcb815980f9b2cd36b65c9f346e

        SHA256

        88f34842ffadf864ff44e4f3b28fc2a3e4614d0e2e4f836f140d12d3121568c2

        SHA512

        1c5408467d437fb4e2040b4aa504d3d9fcc16bdafb020063b9004847ccb05cd122439d2974a0be0cd59fb3c458117c79ec69513d9b3a56803192671688501af0

      • memory/3636-0-0x0000000000000000-mapping.dmp

      • memory/3824-1-0x0000000000000000-mapping.dmp