Analysis

  • max time kernel
    147s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    07/05/2024, 06:37

General

  • Target

    840f3a90967edae5af243a9786d52ea0_NEAS.exe

  • Size

    196KB

  • MD5

    840f3a90967edae5af243a9786d52ea0

  • SHA1

    23a1d1fb708b63d8576fbe45c3f9900b56f47125

  • SHA256

    d4fb2e5b7f988b7db1d86bad83da846ebce7e923d94a30cb8e6649ce9e4cd5e2

  • SHA512

    a152f44555aeb8d1be11d244ae21938443d6750725d13f5d9e4f364de7a1a1246f73804d5270abcb81ad5b3fb8033a546df036fcd2f52051ca07f94d28b8bded

  • SSDEEP

    3072:a74MyJjjlLzVjN50BdQqlYgp72xzbuawaGO0OJw8KWs6IgVLE7QkfIA:awj30dlZ+GVaRVLE7QkfI

Malware Config

Signatures

  • Blocklisted process makes network request 9 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Drops file in Program Files directory 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\840f3a90967edae5af243a9786d52ea0_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\840f3a90967edae5af243a9786d52ea0_NEAS.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1420
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c ping 127.0.0.1 -n 2&C:\Users\Admin\AppData\Local\Temp\\jdaug.exe "C:\Users\Admin\AppData\Local\Temp\840f3a90967edae5af243a9786d52ea0_NEAS.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:2996
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 2
        3⤵
        • Runs ping.exe
        PID:2224
      • C:\Users\Admin\AppData\Local\Temp\jdaug.exe
        C:\Users\Admin\AppData\Local\Temp\\jdaug.exe "C:\Users\Admin\AppData\Local\Temp\840f3a90967edae5af243a9786d52ea0_NEAS.exe"
        3⤵
        • Deletes itself
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1448
        • \??\c:\windows\SysWOW64\rundll32.exe
          c:\windows\system32\rundll32.exe "c:\Program Files\qgwyc\xqmqo.dll",method C:\Users\Admin\AppData\Local\Temp\jdaug.exe
          4⤵
          • Blocklisted process makes network request
          • Loads dropped DLL
          • Adds Run key to start application
          • Enumerates connected drives
          • Writes to the Master Boot Record (MBR)
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2260

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • \??\c:\Program Files\qgwyc\xqmqo.dll

          Filesize

          148KB

          MD5

          a0002bd8d5fd7b68d0b5cfc59272cb09

          SHA1

          d81cde75f6ff06fb256e119038d1e0c055c10fa1

          SHA256

          ba4df777bbf1399c105aa7a7e89af777f258319e20d2096bcd0999708fc2037b

          SHA512

          20ddc3193ed59e479d2fb5b6a285621e17c39852a323d26767054953c9e94dcbcc3d33da609dd3853dab9688e13a53c2a5cd9737d4e06c85edee2a47e4718c6a

        • \Users\Admin\AppData\Local\Temp\jdaug.exe

          Filesize

          197KB

          MD5

          a35f775bb194484fe22c04d4ae8e32d0

          SHA1

          8785120a5bf9cc4ff9f34360669b4c1e72b08bd0

          SHA256

          c5414ad837e729d442ed0e9badf2f1d8d604d8e72ed89addd719ef8da5bdf3f6

          SHA512

          9746513be2354b9c36780bc2653acc6e7d1de74b6d4559fad80f0255592208e4ceb3458852baf1c7bf706226df52c87c9c58aa87059e56e320eeaef3b606ff06

        • memory/1420-0-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1420-2-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1448-9-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/2260-17-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2260-15-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB

        • memory/2260-18-0x0000000010050000-0x0000000010051000-memory.dmp

          Filesize

          4KB

        • memory/2260-19-0x0000000010000000-0x0000000010056000-memory.dmp

          Filesize

          344KB