Analysis

  • max time kernel
    151s
  • max time network
    176s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 02:27

General

  • Target

    New supplier Inquiry and PO 208202750_ DOC.exe

  • Size

    421KB

  • MD5

    c8cc1aa9f0824c83a98cf9072d0079cb

  • SHA1

    61c95c346b2c07d5a7ac2bb1d30745903a3ad99b

  • SHA256

    25bd8be2689477443c6a6b89c3195bd81b733853aa4502cfd14a6e25afc3798e

  • SHA512

    74e30df757e59db8f67a09fbaec4a47ccfe3cf9cb9ecc7244517e5e9a3b71373ea2dd3f8977490b3437a62c6b4f991d9053cf5a7492e34960a148486614443e3

Malware Config

Extracted

Family

warzonerat

C2

divy.nerdpol.ovh:5200

Signatures

  • WarzoneRat, AveMaria

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs
  • Warzone RAT Payload 8 IoCs
  • Looks for VMWare Tools registry key 2 TTPs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208202750_ DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208202750_ DOC.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\QUOgnpwGsI" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB07C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1184
    • C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208202750_ DOC.exe
      "{path}"
      2⤵
        PID:336
      • C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208202750_ DOC.exe
        "{path}"
        2⤵
          PID:2036

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\tmpB07C.tmp

        Filesize

        1KB

        MD5

        88ffdfd5bde47421f259b02d7bccb931

        SHA1

        e6b437a9b4114d20cb1c5ea07d1413e668892737

        SHA256

        790d9c5a5bc25b9fbccab308c63a63278c7904135636fb7e97fbc5d8c6edf4bc

        SHA512

        58c1253627b6bed27d65ebba1761d46b0b5fd48037fe9f8da756eb577ad080f7675ba27f3ad826ebabadc32b87020243e70e8e29bb3e5c7b3d8b0e2305ef056a

      • memory/1088-54-0x00000000002D0000-0x0000000000340000-memory.dmp

        Filesize

        448KB

      • memory/1088-55-0x0000000000270000-0x000000000027C000-memory.dmp

        Filesize

        48KB

      • memory/1088-56-0x00000000042F0000-0x000000000434C000-memory.dmp

        Filesize

        368KB

      • memory/1088-57-0x0000000000530000-0x0000000000568000-memory.dmp

        Filesize

        224KB

      • memory/1184-58-0x0000000000000000-mapping.dmp

      • memory/2036-63-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-61-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-60-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-65-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-66-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-68-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-69-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-70-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-71-0x0000000000405A3D-mapping.dmp

      • memory/2036-73-0x00000000752B1000-0x00000000752B3000-memory.dmp

        Filesize

        8KB

      • memory/2036-74-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB

      • memory/2036-75-0x0000000000400000-0x0000000000554000-memory.dmp

        Filesize

        1.3MB