Analysis

  • max time kernel
    151s
  • max time network
    44s
  • platform
    windows7_x64
  • resource
    win7v200430
  • submitted
    14/07/2020, 18:23

General

  • Target

    L3PRj.dat.exe

  • Size

    836KB

  • MD5

    3c0d0301f6db7f6aee371c163349838c

  • SHA1

    1d0bd91e8fc2e6fb8bdefde8a315193d3d6b03e5

  • SHA256

    ce2644d2d9973ab0a3004942cef2d74d210882bea29d8b698c7af02d308b289e

  • SHA512

    ddc3a72b0fd14956ba7e37c67e632669768b22ed946af65cbe9647f67f3b48f4c795ec5dd5c7bf4cdb180abd41d20d2a6ccc8aa38d7680c1af3c93c9ce4abbfb

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Views/modifies file attributes 1 TTPs 48 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious behavior: MapViewOfSection 48 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of WriteProcessMemory 213 IoCs
  • Loads dropped DLL 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\L3PRj.dat.exe
    "C:\Users\Admin\AppData\Local\Temp\L3PRj.dat.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c <nul set /p ="M" > SearchIndexer.com & type RSAzhE.com >> SearchIndexer.com & del RSAzhE.com & certutil -decode TLW.com A & SearchIndexer.com A & ping 127.0.0.1 -n 3
      2⤵
      • Suspicious use of WriteProcessMemory
      • Loads dropped DLL
      PID:1048
      • C:\Windows\SysWOW64\certutil.exe
        certutil -decode TLW.com A
        3⤵
          PID:1384
        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SearchIndexer.com
          SearchIndexer.com A
          3⤵
          • Suspicious use of FindShellTrayWindow
          • Executes dropped EXE
          • Suspicious use of SendNotifyMessage
          • Suspicious use of WriteProcessMemory
          • Loads dropped DLL
          PID:1448
          • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SearchIndexer.com
            C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SearchIndexer.com A
            4⤵
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetThreadContext
            • Executes dropped EXE
            • Suspicious use of SendNotifyMessage
            • Suspicious behavior: MapViewOfSection
            • Suspicious use of WriteProcessMemory
            PID:740
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1076
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1084
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1520
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1504
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1656
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1672
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1336
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1324
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1240
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1792
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1808
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1800
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1828
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1820
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1724
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1840
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1772
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1780
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1784
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:428
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:656
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:524
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:292
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1252
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:980
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1440
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:564
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1268
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1508
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1616
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1620
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1852
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1580
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1588
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1612
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1604
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1664
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1564
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1544
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1868
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1908
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1920
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1872
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1896
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1856
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1864
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1916
            • C:\Windows\SysWOW64\attrib.exe
              "C:\Windows\SysWOW64\attrib.exe"
              5⤵
              • Views/modifies file attributes
              PID:1964
        • C:\Windows\SysWOW64\PING.EXE
          ping 127.0.0.1 -n 3
          3⤵
          • Runs ping.exe
          PID:360

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • memory/1964-14-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB

          • memory/1964-16-0x0000000000400000-0x0000000000440000-memory.dmp

            Filesize

            256KB