Analysis

  • max time kernel
    137s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    22-11-2020 00:11

General

  • Target

    ijerph-17-02506-v2.pdf

  • Size

    379KB

  • MD5

    1315546b281cd86ce566e6eabb835711

  • SHA1

    6d1f52907774bfeb741baa9a4f31d082a7293501

  • SHA256

    3db27f821c3bc04f27f7540c9a966545c733ac586f59a70c3896a0c635a314a6

  • SHA512

    19e09a28ef557dd4f9c2eb5b09ad124fe82f18265122a8dc866ca908014699a360626882a04e42b8ec7f0299b6b705b1a8f57ce7e31d4b528c318d54fd9b003e

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 1 IoCs
  • Office loads VBA resources, possible macro or embedded object present
  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 9 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 8 IoCs
  • Suspicious use of FindShellTrayWindow 5 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 173 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\ijerph-17-02506-v2.pdf"
    1⤵
    • Suspicious use of SetWindowsHookEx
    PID:1084
  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of WriteProcessMemory
    PID:1624
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=86.0.4240.111 --initial-client-data=0xbc,0xc0,0xc4,0x90,0xc8,0x7fef68d6e00,0x7fef68d6e10,0x7fef68d6e20
      2⤵
        PID:740
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1104,5630427096159932283,3076912384486687647,131072 --gpu-preferences=MAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAQAAAAAAAAAAAAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAA= --mojo-platform-channel-handle=1108 /prefetch:2
        2⤵
          PID:1512
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1104,5630427096159932283,3076912384486687647,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1220 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1892
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,5630427096159932283,3076912384486687647,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1868 /prefetch:1
          2⤵
            PID:1608
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,5630427096159932283,3076912384486687647,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=4 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1888 /prefetch:1
            2⤵
              PID:2016
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1104,5630427096159932283,3076912384486687647,131072 --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2072 /prefetch:1
              2⤵
                PID:940
            • C:\Windows\explorer.exe
              "C:\Windows\explorer.exe"
              1⤵
                PID:2444
              • C:\Windows\system32\AUDIODG.EXE
                C:\Windows\system32\AUDIODG.EXE 0x580
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                PID:2544
              • C:\Program Files\7-Zip\7zG.exe
                "C:\Program Files\7-Zip\7zG.exe" x -o"C:\Users\Admin\Documents\Files\" -ad -an -ai#7zMap20194:74:7zEvent25644
                1⤵
                • Suspicious use of AdjustPrivilegeToken
                • Suspicious use of FindShellTrayWindow
                PID:2696
              • C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
                "C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde
                1⤵
                • Enumerates system info in registry
                • Modifies Internet Explorer settings
                • Suspicious behavior: AddClipboardFormatListener
                • Suspicious use of SetWindowsHookEx
                PID:2772
              • C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE
                "C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\Documents\Opened.docx"
                1⤵
                • Drops file in Windows directory
                • Suspicious behavior: AddClipboardFormatListener
                • Suspicious use of SetWindowsHookEx
                PID:3008
                • C:\Windows\splwow64.exe
                  C:\Windows\splwow64.exe 12288
                  2⤵
                    PID:2128

                Network

                MITRE ATT&CK Matrix ATT&CK v6

                Defense Evasion

                Modify Registry

                1
                T1112

                Credential Access

                Credentials in Files

                1
                T1081

                Discovery

                Query Registry

                1
                T1012

                System Information Discovery

                1
                T1082

                Collection

                Data from Local System

                1
                T1005

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad\settings.dat
                  MD5

                  296efaea1cbcc452cd07ee1b8857e557

                  SHA1

                  f6e3548b55da519fcb53fbf6b2e89f7d72fb647e

                  SHA256

                  16af517e54abeef85a0ac4629e4beb44507c46cf400e7e11f7583a5f3d5cb50d

                  SHA512

                  2d676de5436e159af3907301ef9fee8163ab96defe279379bc7e2162b2c608efbea225e5fd737966cda534c8fbbafa1586b67863f08b8e37ff26d9b2e7e0037e

                • \??\pipe\crashpad_1624_RIHPRAZFHTPBOSDZ
                  MD5

                  d41d8cd98f00b204e9800998ecf8427e

                  SHA1

                  da39a3ee5e6b4b0d3255bfef95601890afd80709

                  SHA256

                  e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                  SHA512

                  cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                • memory/740-0-0x0000000000000000-mapping.dmp
                • memory/1512-2-0x0000000000060000-0x0000000000061000-memory.dmp
                  Filesize

                  4KB

                • memory/1512-3-0x000000013FB43F60-0x000000013FB44020-memory.dmp
                  Filesize

                  192B

                • memory/1512-6-0x0000000000000000-mapping.dmp
                • memory/1512-8-0x0000000077500000-0x0000000077501000-memory.dmp
                  Filesize

                  4KB

                • memory/1608-16-0x0000000000000000-mapping.dmp
                • memory/1608-26-0x000006CB00040000-0x000006CB00041000-memory.dmp
                  Filesize

                  4KB

                • memory/1608-31-0x0000000000080000-0x00000000000800B0-memory.dmp
                  Filesize

                  176B

                • memory/1608-30-0x0000000008450000-0x0000000008461000-memory.dmp
                  Filesize

                  68KB

                • memory/1892-7-0x0000000000000000-mapping.dmp
                • memory/2016-64-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-58-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-34-0x000000000A1A0000-0x000000000A1B1000-memory.dmp
                  Filesize

                  68KB

                • memory/2016-38-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-41-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-49-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-61-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-77-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-76-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-75-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-74-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-73-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-72-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-71-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-70-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-69-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-68-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-67-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-66-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-65-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-24-0x0000000000000000-mapping.dmp
                • memory/2016-63-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-62-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-60-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-59-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-33-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-57-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-56-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-55-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-54-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-53-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-52-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-51-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-50-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-48-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-47-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-46-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-45-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-44-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-43-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-42-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-40-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-39-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-37-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-36-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2016-35-0x0000000000880000-0x00000000008800B0-memory.dmp
                  Filesize

                  176B

                • memory/2128-84-0x0000000000000000-mapping.dmp
                • memory/2772-80-0x00000000004A0000-0x00000000004A1000-memory.dmp
                  Filesize

                  4KB

                • memory/2772-82-0x0000000004970000-0x0000000004974000-memory.dmp
                  Filesize

                  16KB

                • memory/2868-79-0x000007FEF6500000-0x000007FEF677A000-memory.dmp
                  Filesize

                  2.5MB

                • memory/3008-83-0x0000000005E90000-0x0000000005E91000-memory.dmp
                  Filesize

                  4KB

                • memory/3008-85-0x0000000004790000-0x0000000004794000-memory.dmp
                  Filesize

                  16KB