Analysis

  • max time kernel
    124s
  • max time network
    161s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • 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 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 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:1860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GrxeqzFZZljX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp452B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1688
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:1384

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp452B.tmp

      MD5

      4d4775bb67016511d58e31e271dc5f25

      SHA1

      2ece62cfb7e36dc39cd52e1c560c37de9d70415d

      SHA256

      827c8a19353cc25d1a1c2faa815e796e384f49a79a63079ef6873c0fba2fa78e

      SHA512

      29a5c5d2c3849ee0b43aa6fd432cc776ec7d17ab98cb2ee49677feffbd7f8773492b9573ac993dcbb17efc0adc008277f58665d07a220144c24298c93c2aa88b

    • memory/1384-67-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/1384-68-0x0000000000405CE2-mapping.dmp

    • memory/1384-69-0x00000000762C1000-0x00000000762C3000-memory.dmp

      Filesize

      8KB

    • memory/1384-70-0x0000000000400000-0x0000000000554000-memory.dmp

      Filesize

      1.3MB

    • memory/1688-65-0x0000000000000000-mapping.dmp

    • memory/1860-59-0x0000000000B00000-0x0000000000B01000-memory.dmp

      Filesize

      4KB

    • memory/1860-61-0x0000000002180000-0x0000000002181000-memory.dmp

      Filesize

      4KB

    • memory/1860-62-0x0000000009E90000-0x000000000BE8F000-memory.dmp

      Filesize

      32.0MB

    • memory/1860-63-0x000000000BE90000-0x000000000BEF7000-memory.dmp

      Filesize

      412KB

    • memory/1860-64-0x00000000005C0000-0x00000000005EC000-memory.dmp

      Filesize

      176KB