Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2022, 07:13

General

  • Target

    1a247db9ae193938318c1935ebca3e258da2b1ba99902422066df28f4245a002.exe

  • Size

    52KB

  • MD5

    19660b46a1d17197b4f9f77e0e8b2c58

  • SHA1

    ca057c6880fe2596193c64150d5f4d4b817be94e

  • SHA256

    1a247db9ae193938318c1935ebca3e258da2b1ba99902422066df28f4245a002

  • SHA512

    43614e6589d7c3b444ce19c7922476e2cd1e864d9bf56947d1b2ebd207cecab2a3392f3df8cfbbc67cabb46c218e6320eb8d7a262590fa207542daa098853721

  • SSDEEP

    768:1Kau5Zth5ux0XUtULLaFTt2TwomMrBWGYhyyQEQ2+RC6TIqv59z:YauBXkCanhcchyy7QBRC6TIqv59z

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • 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
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies registry class 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1a247db9ae193938318c1935ebca3e258da2b1ba99902422066df28f4245a002.exe
    "C:\Users\Admin\AppData\Local\Temp\1a247db9ae193938318c1935ebca3e258da2b1ba99902422066df28f4245a002.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Suspicious use of WriteProcessMemory
    PID:4936
    • C:\Windows\SysWOW64\wbem\WMIC.exe
      "C:\Windows\System32\wbem\WMIC.exe" process call create "cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2328
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument C:\Users\Admin\Desktop\USC51-E8XAT-RTZTX-ATKTO.HTML
      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:4208
      • 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,0x100,0xd4,0x104,0x7ffed9b546f8,0x7ffed9b54708,0x7ffed9b54718
        3⤵
          PID:4476
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2176 /prefetch:2
          3⤵
            PID:3036
          • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:4980
          • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2700 /prefetch:8
            3⤵
              PID:4220
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --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=3852 /prefetch:1
              3⤵
                PID:3948
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --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=3132 /prefetch:1
                3⤵
                  PID:4276
                • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5340 /prefetch:8
                  3⤵
                    PID:3308
                  • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5504 /prefetch:8
                    3⤵
                      PID:300
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --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=5536 /prefetch:1
                      3⤵
                        PID:4628
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --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=5512 /prefetch:1
                        3⤵
                          PID:2876
                        • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6036 /prefetch:8
                          3⤵
                            PID:4548
                          • 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:3424
                            • 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=0x228,0x22c,0x230,0x204,0x234,0x7ff6fbd45460,0x7ff6fbd45470,0x7ff6fbd45480
                              4⤵
                                PID:1776
                            • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6036 /prefetch:8
                              3⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2440
                            • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3188 /prefetch:8
                              3⤵
                                PID:1640
                              • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3520 /prefetch:8
                                3⤵
                                  PID:3456
                                • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2308 /prefetch:8
                                  3⤵
                                    PID:4892
                                  • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1048 /prefetch:8
                                    3⤵
                                      PID:5052
                                    • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3596 /prefetch:8
                                      3⤵
                                        PID:3424
                                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,16253597364363577288,5611017655753268560,131072 --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=208 /prefetch:2
                                        3⤵
                                        • Suspicious behavior: EnumeratesProcesses
                                        PID:3576
                                      • 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=2148,16253597364363577288,5611017655753268560,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1916 /prefetch:8
                                        3⤵
                                          PID:4816
                                    • C:\Windows\system32\cmd.exe
                                      cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                      1⤵
                                      • Process spawned unexpected child process
                                      • Suspicious use of WriteProcessMemory
                                      PID:3360
                                      • C:\Windows\system32\vssadmin.exe
                                        vssadmin.exe delete shadows /all /quiet
                                        2⤵
                                        • Interacts with shadow copies
                                        PID:3348
                                      • C:\Windows\system32\bcdedit.exe
                                        bcdedit.exe /set {default} recoveryenabled no
                                        2⤵
                                        • Modifies boot configuration data using bcdedit
                                        PID:2876
                                      • C:\Windows\system32\bcdedit.exe
                                        bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
                                        2⤵
                                        • Modifies boot configuration data using bcdedit
                                        PID:1000
                                    • C:\Windows\system32\vssvc.exe
                                      C:\Windows\system32\vssvc.exe
                                      1⤵
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:4452
                                    • C:\Windows\System32\CompPkgSrv.exe
                                      C:\Windows\System32\CompPkgSrv.exe -Embedding
                                      1⤵
                                        PID:4916

                                      Network

                                      MITRE ATT&CK Enterprise v6

                                      Replay Monitor

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                                      Downloads

                                      • C:\Users\Admin\Desktop\USC51-E8XAT-RTZTX-ATKTO.HTML

                                        Filesize

                                        14KB

                                        MD5

                                        2e3f69da567d4ee7eec47a522ca87ac8

                                        SHA1

                                        f96eab881446e7373bb5800bc23f3cda32f318f9

                                        SHA256

                                        7f000b50d1577cbb451c3065cf88315e4af63624525a2c73c5084aa5de9629bc

                                        SHA512

                                        8ec037f0f6057396c9f03398e0df2a09adb6e2b0084e033d1a77c30ccd9d95ad8c9c6474dacea36dceb51f014050752f8a9c9392b44a40ea59510d9f46db9667

                                      • memory/4936-132-0x0000000000400000-0x0000000000409000-memory.dmp

                                        Filesize

                                        36KB

                                      • memory/4936-135-0x0000000000400000-0x0000000000409000-memory.dmp

                                        Filesize

                                        36KB