Analysis

  • max time kernel
    153s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/10/2022, 21:20

General

  • Target

    ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed.exe

  • Size

    132KB

  • MD5

    916bf9f1fc6f0eb72bc2103d86b770a0

  • SHA1

    968424f77d62cccb21deb07fbebb7e7cd81d348c

  • SHA256

    ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed

  • SHA512

    b95d636b9d74b6353387363719417a9b4d1dab3a2f6db2d539001f9f8438422506bd48bf7cedc0a042a05adb2a6e224ff444415f9b0bd2ac700bfe9097e49058

  • SSDEEP

    768:KL/raHM782f9rvs2Zg5nicskQzTGfxgzh3emu4v/eB4z7VP7LdGSu2HyTAzfMgT+:KL/roM7ZJfUQWgY54v

Score
10/10

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 5 IoCs
  • Enumerates connected drives 3 TTPs 3 IoCs

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

  • Drops file in System32 directory 7 IoCs
  • Drops file in Program Files directory 2 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 Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed.exe
    "C:\Users\Admin\AppData\Local\Temp\ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Drops file in System32 directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Windows\SysWOW64\explorer.exe
      "C:\Windows\System32\explorer.exe" C:\Users\Admin\AppData\Local\Temp\ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed
      2⤵
        PID:3644
      • C:\Windows\SysWOW64\msng.exe
        "C:\Windows\system32\msng.exe" fuckystart
        2⤵
        • Modifies visibility of file extensions in Explorer
        • Executes dropped EXE
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2028
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe http://www.OpenClose.ir
          3⤵
            PID:1048
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2200
      • C:\Windows\explorer.exe
        C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
        1⤵
        • Suspicious use of WriteProcessMemory
        PID:176
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.openclose.ir/
          2⤵
          • 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:3468
          • 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=0xf8,0xfc,0x100,0xd4,0x104,0x7ffdf3be46f8,0x7ffdf3be4708,0x7ffdf3be4718
            3⤵
              PID:4120
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
              3⤵
                PID:932
              • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2260 /prefetch:3
                3⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3136
              • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2676 /prefetch:8
                3⤵
                  PID:1836
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --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=3320 /prefetch:1
                  3⤵
                    PID:4996
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --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=3328 /prefetch:1
                    3⤵
                      PID:3040
                    • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4888 /prefetch:8
                      3⤵
                        PID:2088
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5520 /prefetch:1
                        3⤵
                          PID:2388
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --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=3696 /prefetch:1
                          3⤵
                            PID:948
                          • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5452 /prefetch:8
                            3⤵
                              PID:4924
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --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=5828 /prefetch:1
                              3⤵
                                PID:2876
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5568 /prefetch:1
                                3⤵
                                  PID:4108
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3792 /prefetch:1
                                  3⤵
                                    PID:5016
                                  • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6476 /prefetch:8
                                    3⤵
                                      PID:4356
                                    • 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
                                      3⤵
                                      • Drops file in Program Files directory
                                      PID:3032
                                      • 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=0x220,0x224,0x228,0x1fc,0x22c,0x7ff7e5795460,0x7ff7e5795470,0x7ff7e5795480
                                        4⤵
                                          PID:2248
                                      • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6476 /prefetch:8
                                        3⤵
                                          PID:2496
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3716 /prefetch:1
                                          3⤵
                                            PID:5080
                                          • 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=2120,3176566003947139061,8759935835676024394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5080 /prefetch:8
                                            3⤵
                                              PID:3152
                                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2168 /prefetch:1
                                              3⤵
                                                PID:4852
                                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,3176566003947139061,8759935835676024394,131072 --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=5040 /prefetch:2
                                                3⤵
                                                  PID:5072
                                            • C:\Windows\System32\CompPkgSrv.exe
                                              C:\Windows\System32\CompPkgSrv.exe -Embedding
                                              1⤵
                                                PID:4772

                                              Network

                                              MITRE ATT&CK Enterprise v6

                                              Replay Monitor

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                                              Downloads

                                              • C:\Windows\SysWOW64\msng.exe

                                                Filesize

                                                132KB

                                                MD5

                                                916bf9f1fc6f0eb72bc2103d86b770a0

                                                SHA1

                                                968424f77d62cccb21deb07fbebb7e7cd81d348c

                                                SHA256

                                                ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed

                                                SHA512

                                                b95d636b9d74b6353387363719417a9b4d1dab3a2f6db2d539001f9f8438422506bd48bf7cedc0a042a05adb2a6e224ff444415f9b0bd2ac700bfe9097e49058

                                              • C:\Windows\SysWOW64\msng.exe

                                                Filesize

                                                132KB

                                                MD5

                                                916bf9f1fc6f0eb72bc2103d86b770a0

                                                SHA1

                                                968424f77d62cccb21deb07fbebb7e7cd81d348c

                                                SHA256

                                                ef7e4906f93c00e2082175b8849f46c8cadfdc5515a35e39062865e9772105ed

                                                SHA512

                                                b95d636b9d74b6353387363719417a9b4d1dab3a2f6db2d539001f9f8438422506bd48bf7cedc0a042a05adb2a6e224ff444415f9b0bd2ac700bfe9097e49058

                                              • C:\~0002ftd.tmp

                                                Filesize

                                                100B

                                                MD5

                                                dc932370f8304f8ba1a7705693e3f05e

                                                SHA1

                                                4fd01e4eb547bd6ca281061f5e0e9834a098aa0f

                                                SHA256

                                                ad29ff1c13d7f6eac8d36391dc5aac869826d6cc0f83374f12f892829494b344

                                                SHA512

                                                9ee92d79900b2bd5d1bce83a8343330bebcfdc6299f31e5c49892cf5dcfdffb90b645808a6fea862c0f5a31449fd62b21e3e515b5c614012517942d499218ed5

                                              • memory/2028-144-0x0000000000400000-0x0000000000454000-memory.dmp

                                                Filesize

                                                336KB

                                              • memory/2028-162-0x0000000000400000-0x0000000000454000-memory.dmp

                                                Filesize

                                                336KB

                                              • memory/5076-134-0x0000000000400000-0x0000000000454000-memory.dmp

                                                Filesize

                                                336KB

                                              • memory/5076-139-0x0000000000400000-0x0000000000454000-memory.dmp

                                                Filesize

                                                336KB

                                              • memory/5076-135-0x0000000000400000-0x0000000000454000-memory.dmp

                                                Filesize

                                                336KB