Analysis

  • max time kernel
    84s
  • max time network
    87s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    25-05-2022 17:22

General

  • Target

    DOCS6458-052022.pdf

  • Size

    30KB

  • MD5

    8f8b13c74c5bed200adb74839d224c27

  • SHA1

    53cfb51863a3f10e87f3ab00927193f4378b2102

  • SHA256

    bb21c56f0340aab42f68996dce5e49bd13f2c6562fcbaf8f275d6fd0ab1b169a

  • SHA512

    6e10979ac693458db3feda2ba368b0fe708d422cfb154ee472978ab98e915188855151934236013e18c708919a77e955c550e5971bf8defa55a0e6e947a4dab4

Score
1/10

Malware Config

Signatures

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 35 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 12 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\DOCS6458-052022.pdf"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1664
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe" https://shareyourdocs-rem.online/
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1172
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1172 CREDAT:275457 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:528
      • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
        "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1172 CREDAT:275461 /prefetch:2
        3⤵
        • Modifies Internet Explorer settings
        • Suspicious use of SetWindowsHookEx
        PID:948
  • C:\Program Files\Mozilla Firefox\firefox.exe
    "C:\Program Files\Mozilla Firefox\firefox.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:240
    • C:\Program Files\Mozilla Firefox\firefox.exe
      "C:\Program Files\Mozilla Firefox\firefox.exe"
      2⤵
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:1956
      • C:\Program Files\Mozilla Firefox\firefox.exe
        "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.0.1670432302\1875272528" -parentBuildID 20200403170909 -prefsHandle 1200 -prefMapHandle 1192 -prefsLen 1 -prefMapSize 219698 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 1300 gpu
        3⤵
          PID:2052
        • C:\Program Files\Mozilla Firefox\firefox.exe
          "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.3.617359190\1502902558" -childID 1 -isForBrowser -prefsHandle 1108 -prefMapHandle 1576 -prefsLen 156 -prefMapSize 219698 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 1796 tab
          3⤵
            PID:2188
          • C:\Program Files\Mozilla Firefox\firefox.exe
            "C:\Program Files\Mozilla Firefox\firefox.exe" -contentproc --channel="1956.13.1836842296\386641460" -childID 2 -isForBrowser -prefsHandle 2624 -prefMapHandle 2620 -prefsLen 6932 -prefMapSize 219698 -parentBuildID 20200403170909 -appdir "C:\Program Files\Mozilla Firefox\browser" - 1956 "\\.\pipe\gecko-crash-server-pipe.1956" 2632 tab
            3⤵
              PID:2432

        Network

        MITRE ATT&CK Matrix ATT&CK v6

        Defense Evasion

        Modify Registry

        1
        T1112

        Discovery

        Query Registry

        1
        T1012

        System Information Discovery

        1
        T1082

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Cookies\K4EVD73E.txt
          Filesize

          604B

          MD5

          a33bb45616d4f41b74a715dcfe31fdab

          SHA1

          1fe692fe2274bb08eb3599ee32447f87037ef9b9

          SHA256

          e46b4f19d26dfc2a37de6eec4c755e5188feb1aab27a912bcb46e349f4b1b17c

          SHA512

          6af83fbf3e56c87ba383514ee1582e1cd3699533caec5ab0e218627c2ee0b2db665c857d44b98d121eda80292e363393c517dee50b8264b593d0b3251efab018

        • memory/1664-54-0x00000000761F1000-0x00000000761F3000-memory.dmp
          Filesize

          8KB