Analysis

  • max time kernel
    159s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-11-2022 19:18

General

  • Target

    8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe

  • Size

    14KB

  • MD5

    0de95947b0c7e4515e104eef17ea4322

  • SHA1

    7926ebe1ac582c8ea7421fe4209ad2b8fe37957d

  • SHA256

    8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd

  • SHA512

    f98be3d89105f296984a3232aecf27dce727d753cdff86585de94f261cde2d75123a5f494e07d6f8318b09c9bec3ae1b138b8870acf7bcb839abd8f34b7fc7d5

  • SSDEEP

    384:byi8T5ePaOaNJawcudoD7UG5A4VoeM4mK:byXTKsnbcuyD7UgVDz

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 1 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 1 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 registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe
    "C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4128
    • C:\Users\Admin\AppData\Local\Temp\8801.tmp\b2e.exe
      "C:\Users\Admin\AppData\Local\Temp\8801.tmp\b2e.exe" C:\Users\Admin\AppData\Local\Temp\8801.tmp\b2e.exe C:\Users\Admin\AppData\Local\Temp "C:\Users\Admin\AppData\Local\Temp\8b045f40d0bce83a14cd05ab408d7ae14e2c044b3141446d5bde31f6ffc9c4dd.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:4960
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\BB46.tmp\batfile.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1324
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://ads.regiedepub.com/cgi-bin/advert/getads?x_dp_id=43
          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:1092
          • 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,0x100,0xd4,0x104,0x7fffcf6246f8,0x7fffcf624708,0x7fffcf624718
            5⤵
              PID:2112
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2168 /prefetch:2
              5⤵
                PID:2936
              • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2228 /prefetch:3
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:3940
              • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2748 /prefetch:8
                5⤵
                  PID:4648
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --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=3300 /prefetch:1
                  5⤵
                    PID:1980
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --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=3308 /prefetch:1
                    5⤵
                      PID:3616
                    • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4860 /prefetch:8
                      5⤵
                        PID:888
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --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=4956 /prefetch:1
                        5⤵
                          PID:4112
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --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=4900 /prefetch:1
                          5⤵
                            PID:3928
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5292 /prefetch:1
                            5⤵
                              PID:2088
                            • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5868 /prefetch:8
                              5⤵
                                PID:392
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6100 /prefetch:1
                                5⤵
                                  PID:2404
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6116 /prefetch:1
                                  5⤵
                                    PID:4820
                                  • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3908 /prefetch:8
                                    5⤵
                                      PID:2284
                                    • 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:2820
                                      • 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=0x27c,0x280,0x284,0x258,0x288,0x7ff685605460,0x7ff685605470,0x7ff685605480
                                        6⤵
                                          PID:4436
                                      • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3908 /prefetch:8
                                        5⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:4344
                                      • 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=2120,176434368463366188,6288138306071954247,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=5100 /prefetch:8
                                        5⤵
                                          PID:392
                                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2120,176434368463366188,6288138306071954247,131072 --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=7120 /prefetch:2
                                          5⤵
                                          • Suspicious behavior: EnumeratesProcesses
                                          PID:1028
                                    • C:\Windows\SysWOW64\cmd.exe
                                      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\selfdel0.bat" "
                                      3⤵
                                        PID:1444
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:1820

                                    Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

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                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Temp\8801.tmp\b2e.exe

                                      Filesize

                                      8KB

                                      MD5

                                      6a7329f15480d4ca075dd593c7572d14

                                      SHA1

                                      cbe94a895b719efdb2309e2d3cdd469c5c5fef55

                                      SHA256

                                      50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

                                      SHA512

                                      ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

                                    • C:\Users\Admin\AppData\Local\Temp\8801.tmp\b2e.exe

                                      Filesize

                                      8KB

                                      MD5

                                      6a7329f15480d4ca075dd593c7572d14

                                      SHA1

                                      cbe94a895b719efdb2309e2d3cdd469c5c5fef55

                                      SHA256

                                      50c8fe18a33985b19b5a88d9d6d94193079aea9cfaa89be9b28ec771e04e4670

                                      SHA512

                                      ba0a5b9fa41faadebe8124d44e03bb05fb5e6a9eec4052c90fc2d30852200e789b6183afd9deeea64c8aa944b8f28d6ef983dd64f1aaf581d930a98d5240f874

                                    • C:\Users\Admin\AppData\Local\Temp\BB46.tmp\batfile.bat

                                      Filesize

                                      77B

                                      MD5

                                      ba7c5c724c70ee9f04c4933b18083e49

                                      SHA1

                                      d6c6dcbe9cbfb829296dc21ff41292cac64fdc9c

                                      SHA256

                                      aad13997529ce15c8b987178057a01b5e8236f0daf5b94f29dabaa778105388c

                                      SHA512

                                      d34f0f812c72580e1c505da5dfa636e18fea800cbf36e2ed11bfc423cf7a871981991b3a7e65e45b54aeb15f3f37f8eaef2e408a03585f2c46c95fbcbf63e09b

                                    • C:\Users\Admin\AppData\Local\Temp\selfdel0.bat

                                      Filesize

                                      158B

                                      MD5

                                      141f8789e303a04df6c82d772da69e8f

                                      SHA1

                                      2d096c1f32f384015486c46f765359893008be51

                                      SHA256

                                      3160b0a7cf1703af69bb2103a100bcdbc500520e56f94b7dc32cc73522297c03

                                      SHA512

                                      38346e00fce5536b5d102ea12f182d894c051c017d40f4108323b2956c52cb9b387edb8ce69cf07351e8df56e23b113c9cd2916cf9b997d3b5e92eeddaa96f34

                                    • memory/4128-132-0x0000000000400000-0x000000000040B000-memory.dmp

                                      Filesize

                                      44KB

                                    • memory/4960-138-0x0000000000400000-0x0000000000405000-memory.dmp

                                      Filesize

                                      20KB

                                    • memory/4960-141-0x0000000000400000-0x0000000000405000-memory.dmp

                                      Filesize

                                      20KB