Analysis

  • max time kernel
    73s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    02-07-2021 15:44

General

  • Target

    PDF.exe

  • Size

    807KB

  • MD5

    1032e6ffdbb406b3ee80d7c50989e2b5

  • SHA1

    fb63c770ba76d25f181be481acef62aa2cf5f82c

  • SHA256

    be38a69081db308b628205a8d3bf1053120da733b05f38ac497a295723d2b29f

  • SHA512

    bd5203164dd2a966c1db164f6d472615932a673d7be6105c5c36a130e1bb7582e4a9a479833ecbc102c36a5786ef1e459b8eec944beb8cdf51c763078a2923f3

Malware Config

Extracted

Family

warzonerat

C2

185.157.160.215:2211

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Warzone RAT Payload 3 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GrxeqzFZZljX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp20D7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1324
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:3828
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:3552
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:3800

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmp20D7.tmp

          MD5

          323541b08987fa93549b2e5fd02a870d

          SHA1

          fce33e366560dfd864193cec5bb33eb30dc397ab

          SHA256

          146f855fe679743a87b94139f9c75e302a6cd1193f186d246002ce4b2d1e36e2

          SHA512

          8646d6ed075d034c4e79857547ec0ed59832306b975d25103612e8d9cf9220265ec8d4e014c7978f9b7dbc1d570e198b479999b0964abea00c7210b3e00cde5f

        • memory/1324-125-0x0000000000000000-mapping.dmp

        • memory/2256-121-0x0000000001A60000-0x0000000001A61000-memory.dmp

          Filesize

          4KB

        • memory/2256-118-0x00000000058C0000-0x00000000058C1000-memory.dmp

          Filesize

          4KB

        • memory/2256-119-0x0000000005960000-0x0000000005961000-memory.dmp

          Filesize

          4KB

        • memory/2256-120-0x0000000005A00000-0x0000000005A01000-memory.dmp

          Filesize

          4KB

        • memory/2256-114-0x0000000000E70000-0x0000000000E71000-memory.dmp

          Filesize

          4KB

        • memory/2256-122-0x000000000B250000-0x000000000D24F000-memory.dmp

          Filesize

          32.0MB

        • memory/2256-123-0x000000000D2C0000-0x000000000D327000-memory.dmp

          Filesize

          412KB

        • memory/2256-124-0x000000000D330000-0x000000000D35C000-memory.dmp

          Filesize

          176KB

        • memory/2256-117-0x0000000005DC0000-0x0000000005DC1000-memory.dmp

          Filesize

          4KB

        • memory/2256-116-0x0000000005820000-0x0000000005821000-memory.dmp

          Filesize

          4KB

        • memory/3800-127-0x0000000000400000-0x0000000000554000-memory.dmp

          Filesize

          1.3MB

        • memory/3800-128-0x0000000000405CE2-mapping.dmp

        • memory/3800-131-0x0000000000400000-0x0000000000554000-memory.dmp

          Filesize

          1.3MB