Analysis

  • max time kernel
    50s
  • max time network
    30s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    09-11-2020 20:44

General

  • Target

    SecuriteInfo.com.Trojan.Agent.ESBE.10931.26687.dll

  • Size

    289KB

  • MD5

    70f8f511f1b80e43d0fc2820d2560dbb

  • SHA1

    b7299de306756f6233a203e3afd48a9f8f549a2c

  • SHA256

    e392d5a3ab3d10f866705a7c8edc5f76f600bda2783f7c8e848cb8d06fbb04d2

  • SHA512

    008b661222a7ec068756ac44e032a3dd431206e1bfaa15d8a579e7b97d2a629c53f17b4c4ba94090fc61282bf3f357d892f000a5414e6cabe6c5725239be9b29

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\SecuriteInfo.com.Trojan.Agent.ESBE.10931.26687.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Agent.ESBE.10931.26687.dll,#1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1860
      • C:\Windows\SysWOW64\wscript.exe
        wscript.exe //E:jscript "C:\Users\Public\CCGYPWTwr.iySAE
        3⤵
          PID:1104
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:1128

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

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      Downloads

      • C:\Users\Public\CCGYPWTwr.iySAE

        MD5

        6df4cb0a89bdabcf858e7e407e3975f5

        SHA1

        f41a9efe9f3cdce394893d90f564bb26e3cdd494

        SHA256

        c65b67bfe6a5acf6ebfb7f327a6ce8f93bfe5ec579fe783f611a73ce031f7232

        SHA512

        a49817c5b27a75263a57398a17f838e935660d554e6b36d8e11ec20817fd08b532851b527c7255d50556d85e1fa985ed0d766d7103f6178ab8ef8bab561b1a41

      • memory/1104-1-0x0000000000000000-mapping.dmp

      • memory/1104-3-0x0000000002820000-0x0000000002824000-memory.dmp

        Filesize

        16KB

      • memory/1860-0-0x0000000000000000-mapping.dmp