Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11/03/2021, 13:03

General

  • Target

    CLEW enquiry 2021.PDF.exe

  • Size

    471KB

  • MD5

    54354bddb2f478a548edda9ff940f0d1

  • SHA1

    539d0510ce7e27cbf18e30952f6ae151cea8eb1e

  • SHA256

    6d72e21f8eed71f706041b12c6efaa66fd12ad213a48415f682a19b0f3e46f17

  • SHA512

    788866f1da8e8fcacefd58be1b144d23cdb69c0132648edf7a79f394d4eb7fe405deeab829be583674943ba2f2c3795da6aeabd6d4dbbf3d6233c04b590ce8dc

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.26:3141

Signatures

  • WarzoneRat, AveMaria

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

  • Loads dropped DLL 11 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1308
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\HLVbWXuQpLZcU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC2.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1768
    • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
      "{path}"
      2⤵
        PID:968
      • C:\Users\Admin\AppData\Local\Temp\CLEW enquiry 2021.PDF.exe
        "{path}"
        2⤵
        • Loads dropped DLL
        PID:3956

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1308-10-0x00000000058F0000-0x00000000058F1000-memory.dmp

      Filesize

      4KB

    • memory/1308-7-0x00000000030E0000-0x00000000030E1000-memory.dmp

      Filesize

      4KB

    • memory/1308-3-0x0000000000D80000-0x0000000000D81000-memory.dmp

      Filesize

      4KB

    • memory/1308-5-0x0000000005B70000-0x0000000005B71000-memory.dmp

      Filesize

      4KB

    • memory/1308-6-0x0000000005670000-0x0000000005671000-memory.dmp

      Filesize

      4KB

    • memory/1308-8-0x0000000008CB0000-0x0000000008CB1000-memory.dmp

      Filesize

      4KB

    • memory/1308-9-0x0000000008CA0000-0x0000000008CA2000-memory.dmp

      Filesize

      8KB

    • memory/1308-13-0x00000000073A0000-0x00000000073D2000-memory.dmp

      Filesize

      200KB

    • memory/1308-12-0x0000000007320000-0x0000000007392000-memory.dmp

      Filesize

      456KB

    • memory/1308-11-0x000000007E450000-0x000000007E451000-memory.dmp

      Filesize

      4KB

    • memory/1308-2-0x0000000073C50000-0x000000007433E000-memory.dmp

      Filesize

      6.9MB

    • memory/3956-20-0x0000000004800000-0x0000000004884000-memory.dmp

      Filesize

      528KB

    • memory/3956-16-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB

    • memory/3956-19-0x0000000003E90000-0x0000000003F14000-memory.dmp

      Filesize

      528KB

    • memory/3956-18-0x0000000000400000-0x000000000055E000-memory.dmp

      Filesize

      1.4MB

    • memory/3956-32-0x0000000003FB0000-0x0000000004034000-memory.dmp

      Filesize

      528KB