Analysis

  • max time kernel
    111s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    05-05-2021 15:28

General

  • Target

    SCB_MT103_31951R2105050031_200505.PDF.exe

  • Size

    919KB

  • MD5

    cf3e6f4dd1b47b5e9f09f9b1165bb519

  • SHA1

    68a1a10ad6b7eaa3d95b7eabefb53097cd44845f

  • SHA256

    0288f149c280ae5dc3a27ab06b9cfc41582635226b9759e1aebe4d3e641074b4

  • SHA512

    ac7c777dd47373c5a69c56e0948781c77a18731b630916ebbdae354f32ffd05c7e569f6d2b78fc61d4babc7537cf0126fa28c83246a2d2a75fcf499d36628148

Malware Config

Extracted

Family

warzonerat

C2

157.55.136.23:5300

Signatures

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 3 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 use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SCB_MT103_31951R2105050031_200505.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\SCB_MT103_31951R2105050031_200505.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kBnYsHjsxpep" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9D1A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1108
    • C:\Users\Admin\AppData\Local\Temp\SCB_MT103_31951R2105050031_200505.PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\SCB_MT103_31951R2105050031_200505.PDF.exe"
      2⤵
        PID:940

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp9D1A.tmp
      MD5

      f5589598d8c03a6398621b050afc46f4

      SHA1

      3113d2ca30d852b9db1d480a55638ded866027d2

      SHA256

      f68d19dc6333ce416f2a1db85f95294e6ad0028632b5efd0913192f6e42fe3dc

      SHA512

      9a68826ac1c44486a57931da08bf4bd2b626e85a19ee417f96a0ddad52d70c7dbad825c49e0cc21afbe9fbbfb6584e995ee9edc3151e6ce2fb61c7f12a4365e6

    • memory/940-68-0x0000000000405CE2-mapping.dmp
    • memory/940-67-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/940-69-0x0000000075411000-0x0000000075413000-memory.dmp
      Filesize

      8KB

    • memory/940-70-0x0000000000400000-0x0000000000554000-memory.dmp
      Filesize

      1.3MB

    • memory/1072-59-0x00000000001E0000-0x00000000001E1000-memory.dmp
      Filesize

      4KB

    • memory/1072-61-0x0000000004DE0000-0x0000000004DE1000-memory.dmp
      Filesize

      4KB

    • memory/1072-62-0x00000000006E0000-0x00000000006EE000-memory.dmp
      Filesize

      56KB

    • memory/1072-63-0x0000000004F30000-0x0000000004FCD000-memory.dmp
      Filesize

      628KB

    • memory/1072-64-0x0000000005010000-0x0000000005068000-memory.dmp
      Filesize

      352KB

    • memory/1108-65-0x0000000000000000-mapping.dmp