Windows 7 deprecation

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Analysis

  • max time kernel
    229s
  • max time network
    240s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/12/2022, 10:45

General

  • Target

    356418109b6500ee66960791ea8a5a9dd77ef1b3f4818d15d3684d2f796dab86.exe

  • Size

    1.1MB

  • MD5

    bf0f22c0a8be55c152da5c8b27a3041b

  • SHA1

    a7454adc9ca7dcd5b5b01d62f00528c4a7684f57

  • SHA256

    356418109b6500ee66960791ea8a5a9dd77ef1b3f4818d15d3684d2f796dab86

  • SHA512

    e4a931d956be9995fb622faaeebd898e3db68de5063b2996b0e6f520d207c42b1e95b7655bd2d1278a3a9eaf8482f7527e5d83297adcb6287c592e05b64f694d

  • SSDEEP

    24576:nNseVg7kAfPSoaLLt/9UrcoC+X3ZR+zU3MxN3/zzeBV2zzx:nNLVg9fq/JOch+X33+zU3MT/zze+zF

Score
8/10
upx

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 6 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 34 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\356418109b6500ee66960791ea8a5a9dd77ef1b3f4818d15d3684d2f796dab86.exe
    "C:\Users\Admin\AppData\Local\Temp\356418109b6500ee66960791ea8a5a9dd77ef1b3f4818d15d3684d2f796dab86.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\temp\Setup.exe
      "C:\Windows\temp\Setup.exe"
      2⤵
      • Executes dropped EXE
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1456
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.2345.com/?8059
        3⤵
        • Enumerates system info in registry
        • Modifies registry class
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4176
        • 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,0x100,0xd4,0x104,0x7ffd707f46f8,0x7ffd707f4708,0x7ffd707f4718
          4⤵
            PID:1192
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
            4⤵
              PID:1668
            • 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=2108,5519756537270742077,5587284562375514830,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2688 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:5068
            • 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=2108,5519756537270742077,5587284562375514830,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2972 /prefetch:8
              4⤵
                PID:3000
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --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
                4⤵
                  PID:740
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --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=3540 /prefetch:1
                  4⤵
                    PID:3008
                  • 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=2108,5519756537270742077,5587284562375514830,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4904 /prefetch:8
                    4⤵
                      PID:5044
                    • 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=2108,5519756537270742077,5587284562375514830,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5608 /prefetch:8
                      4⤵
                        PID:768
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --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=5864 /prefetch:1
                        4⤵
                          PID:544
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --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=5752 /prefetch:1
                          4⤵
                            PID:744
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,5519756537270742077,5587284562375514830,131072 --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=4732 /prefetch:2
                            4⤵
                            • Suspicious behavior: EnumeratesProcesses
                            PID:4924
                        • C:\Windows\SysWOW64\cmd.exe
                          C:\Windows\system32\cmd.exe /c C:\Windows\temp\baieksjo.bat
                          3⤵
                            PID:1436
                      • C:\Windows\System32\CompPkgSrv.exe
                        C:\Windows\System32\CompPkgSrv.exe -Embedding
                        1⤵
                          PID:4372

                        Network

                        MITRE ATT&CK Enterprise v6

                        Replay Monitor

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                        Downloads

                        • C:\Windows\Temp\Setup.exe

                          Filesize

                          371KB

                          MD5

                          86726b83499bfe958ff83918bfb5e57d

                          SHA1

                          0fa513a2f7a0a97974b7161e0eb054447064b17d

                          SHA256

                          410e85778d9bc4b7f7e7f023913a92c75aceeb6e26769d4f11e33a9aef9998b2

                          SHA512

                          d91fb30bfc7d5d21cfce4388f0264ad131bba9e3ef30805364e01051686f5c472e8411dcdc3a564bc63e93bca636207a68212300bd32233f1d391dd4a4006cc5

                        • C:\Windows\temp\Setup.exe

                          Filesize

                          371KB

                          MD5

                          86726b83499bfe958ff83918bfb5e57d

                          SHA1

                          0fa513a2f7a0a97974b7161e0eb054447064b17d

                          SHA256

                          410e85778d9bc4b7f7e7f023913a92c75aceeb6e26769d4f11e33a9aef9998b2

                          SHA512

                          d91fb30bfc7d5d21cfce4388f0264ad131bba9e3ef30805364e01051686f5c472e8411dcdc3a564bc63e93bca636207a68212300bd32233f1d391dd4a4006cc5

                        • C:\Windows\temp\baieksjo.bat

                          Filesize

                          94B

                          MD5

                          71d9daa6586985cf41a7fd902c7c8a38

                          SHA1

                          fb6d18bebe05d5d2908c2b06b0b8e44f36002b14

                          SHA256

                          187e1de762626dde5c1ce86fddb6406f014cb75c4a2b6ebc1c9502145901dd7b

                          SHA512

                          619190d93532f50188aa4cccef481cdab2e3674a9a1dc9c68ffb56744d93e36cd508d5c6310b2f8adf96f8c5aebebb63ab345133b82e3ebe725f93a60a0e1481

                        • memory/3064-132-0x0000000000400000-0x0000000000423000-memory.dmp

                          Filesize

                          140KB

                        • memory/3064-137-0x0000000000400000-0x0000000000423000-memory.dmp

                          Filesize

                          140KB

                        • memory/3064-133-0x0000000000400000-0x0000000000423000-memory.dmp

                          Filesize

                          140KB