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Analysis

  • max time kernel
    152s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2022, 12:28

General

  • Target

    e7febdc66f0e8106e398a1addd39292b21b3d4b6e3c8e041e1a2f7ae971805f3.exe

  • Size

    89KB

  • MD5

    c23796485337acadb13e02480bf06059

  • SHA1

    71fab61154104cc1fb80bf94be5310beef0de4c5

  • SHA256

    e7febdc66f0e8106e398a1addd39292b21b3d4b6e3c8e041e1a2f7ae971805f3

  • SHA512

    993c098e4da88034936135ccc55591d38b3eaaa97ed756d0811f32fba48d46c945312ac9ac1eb24f011bf13d6a73a34b7d2790c00586656d18d0171123bfbe44

  • SSDEEP

    1536:e5GJEhlcbW5sk1BlfLvveIbXWm+nwN6JKzs5gwCt4J6v43NzCl7/Hs3U3mRhshHK:EGu9BlfzWIbXWm+w0Jb5jJ6W1uMEztUP

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 5 IoCs
  • Drops file in System32 directory 3 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies registry class 1 IoCs
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7febdc66f0e8106e398a1addd39292b21b3d4b6e3c8e041e1a2f7ae971805f3.exe
    "C:\Users\Admin\AppData\Local\Temp\e7febdc66f0e8106e398a1addd39292b21b3d4b6e3c8e041e1a2f7ae971805f3.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:60
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vchott.exe
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vchott.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c C:\Users\Admin\AppData\Local\Temp\~E728.bat C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vchott.exe
        3⤵
        • Drops file in System32 directory
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:4916
        • C:\Windows\SysWOW64\net.exe
          net stop sharedaccess
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1252
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop sharedaccess
            5⤵
              PID:4752
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://goo.gl/ewgWF
            4⤵
            • Adds Run key to start application
            • Enumerates system info in registry
            • Modifies registry class
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of WriteProcessMemory
            PID:4856
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x160,0x164,0x168,0x13c,0x16c,0x7ffcaf4d46f8,0x7ffcaf4d4708,0x7ffcaf4d4718
              5⤵
                PID:4992
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2228 /prefetch:2
                5⤵
                  PID:3180
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2304 /prefetch:3
                  5⤵
                  • Suspicious behavior: EnumeratesProcesses
                  PID:3172
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2732 /prefetch:8
                  5⤵
                    PID:1480
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3528 /prefetch:1
                    5⤵
                      PID:1824
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3380 /prefetch:1
                      5⤵
                        PID:4780
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5332 /prefetch:8
                        5⤵
                          PID:3712
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5592 /prefetch:8
                          5⤵
                            PID:4532
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5608 /prefetch:1
                            5⤵
                              PID:1780
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5744 /prefetch:1
                              5⤵
                                PID:2164
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6496 /prefetch:1
                                5⤵
                                  PID:1708
                                • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6860 /prefetch:8
                                  5⤵
                                    PID:2260
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --configure-user-settings --verbose-logging --system-level --msedge --force-configure-user-settings
                                    5⤵
                                    • Drops file in Program Files directory
                                    PID:1596
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --type=crashpad-handler /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler --database=C:\Windows\TEMP\MsEdgeCrashpad --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\Installer\setup.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x248,0x24c,0x250,0x224,0x254,0x7ff7b3e75460,0x7ff7b3e75470,0x7ff7b3e75480
                                      6⤵
                                        PID:2808
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6860 /prefetch:8
                                      5⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:4616
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3480 /prefetch:8
                                      5⤵
                                        PID:1508
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2172,13710937193311388527,14718835187363083770,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=5140 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1308 /prefetch:2
                                        5⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:5092
                                    • C:\Windows\SysWOW64\ftp.exe
                                      ftp -s:ftp.txt
                                      4⤵
                                        PID:3284
                                      • C:\Windows\SysWOW64\cmd.exe
                                        C:\Windows\system32\cmd.exe /c type "c:\windows\system32\vvtn.txt"
                                        4⤵
                                          PID:4344
                                        • C:\Windows\SysWOW64\cmd.exe
                                          C:\Windows\system32\cmd.exe /c type "c:\windows\system32\aabb.txt"
                                          4⤵
                                            PID:640
                                          • C:\Windows\SysWOW64\reg.exe
                                            REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /v TINTSETP /t REG_SZ /d "C:\WINDOWS\system32\TINTSETP.exe" /f
                                            4⤵
                                            • Adds Run key to start application
                                            PID:3284
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:3676

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b.txt

                                        Filesize

                                        12B

                                        MD5

                                        3d6e3ce557beb84a5cb31b955a31af7e

                                        SHA1

                                        f1f0062343aee33fa4bacd29e60c173c54c01bf3

                                        SHA256

                                        9e52d606f357c1899628cd86e64aba7e0b9fa2b3c89458c1de2796253543a96a

                                        SHA512

                                        c1911712d402d3c40b081ed153a7d2a82d3feeac06b8ff12ee6f82d563d9c78f3c3cca74193719f5af220c1faa10e56b163cb4342cd084c429bdcc163c1d2fa8

                                      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ftp.txt

                                        Filesize

                                        318B

                                        MD5

                                        7b5186bb18dcda8af60689f10963044b

                                        SHA1

                                        cbfe9004d2f580da78171f3633c5262b15ec481b

                                        SHA256

                                        92ddd2439b76777fd556af30dd4a699ab517883cb0d12b48ac627735c3f8d44f

                                        SHA512

                                        1de723d1d1918c9295c4cdfd52ec75c2a52b7cc94d5b66c32ff22bcc864a23c85d9e3b7eca864e9f7c53a2fa1383f2188498425cbaa43969fe04910686a07881

                                      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vchott.exe

                                        Filesize

                                        52KB

                                        MD5

                                        f47418fb97f4da4c117ecec13c17606e

                                        SHA1

                                        5bec90e612bc08ba99fd33f004aca1cd891c298d

                                        SHA256

                                        b61b31dccfda791f2e0bcdf00cf1ac41b86a7175e6ba8256c34d7e5ee0f34739

                                        SHA512

                                        13540d4e28212a9f2b080e5dfbf1b7d45b861a30053e139c08a0f977823a5824b1f3fe6a6fa2b2a291fb38a6460114010f361e53c7f4f9ef4b4af52be62645c8

                                      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\vchott.exe

                                        Filesize

                                        52KB

                                        MD5

                                        f47418fb97f4da4c117ecec13c17606e

                                        SHA1

                                        5bec90e612bc08ba99fd33f004aca1cd891c298d

                                        SHA256

                                        b61b31dccfda791f2e0bcdf00cf1ac41b86a7175e6ba8256c34d7e5ee0f34739

                                        SHA512

                                        13540d4e28212a9f2b080e5dfbf1b7d45b861a30053e139c08a0f977823a5824b1f3fe6a6fa2b2a291fb38a6460114010f361e53c7f4f9ef4b4af52be62645c8

                                      • C:\Users\Admin\AppData\Local\Temp\~E728.bat

                                        Filesize

                                        4KB

                                        MD5

                                        bd95495789a0beed40addfd5dc83a26c

                                        SHA1

                                        5447c3d3d3fdc990ff61baff41886f05bd2b0ccb

                                        SHA256

                                        b881cbde09a0c99a5f68483cf2cb977802de6a1f379b7a24a6d85fa12717950e

                                        SHA512

                                        51b7b323984195546345447724dfd097d153e1b0fc4196f1d707515fb351657fb37d63accaf030ca9e868692994455738917c2fcd7a4191cb71e4959d21c76fd

                                      • \??\c:\windows\SysWOW64\aabb.txt

                                        Filesize

                                        96B

                                        MD5

                                        b6f6b78ae8d54d14524c1456ea060cd9

                                        SHA1

                                        b45bd523301af01c8458cdd04855afce45d3d9fb

                                        SHA256

                                        db9f2b1f4d454cbc3448da5d52b9e57aa7345d0becdb1ca83881cc36e8bc8bbe

                                        SHA512

                                        ddb2a2498232d3ad9b5ef09bb81975f6203ccedb3292058543d49e9724e041d60c864d968390f843e6f4a89b40a799667be809d764851b8f623da7608fce10d0