Analysis

  • max time kernel
    155s
  • max time network
    165s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 16:20

General

  • Target

    144fed083fecd1a36b5892ac3ccae575f4895a886b12cfa4395600e71149247c.exe

  • Size

    1.2MB

  • MD5

    5fcab883f8312424523dc63fb0e3154c

  • SHA1

    bfbed5a8b496b44eae2045234fa39c2b21458618

  • SHA256

    144fed083fecd1a36b5892ac3ccae575f4895a886b12cfa4395600e71149247c

  • SHA512

    0c5764a4b9841bdca6d9c85706612bc9cf0c935de7499c33b570f4613d53ea09d0d2dbe19cf17f1828b6602b130985265658c9a32d3054e89d4a4bb0778816cc

  • SSDEEP

    24576:g/jTZeL2E6S4mWMvW7d1385F0+nHG1gw3:UgL16hnyrHw

Malware Config

Signatures

  • Executes dropped EXE 2 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 2 IoCs
  • Detected potential entity reuse from brand microsoft.
  • Suspicious use of SetThreadContext 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 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\144fed083fecd1a36b5892ac3ccae575f4895a886b12cfa4395600e71149247c.exe
    "C:\Users\Admin\AppData\Local\Temp\144fed083fecd1a36b5892ac3ccae575f4895a886b12cfa4395600e71149247c.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:396
    • C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe
      "C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3004
      • C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe
        "C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of WriteProcessMemory
        PID:2192
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=hdhdgdg.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
          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:4696
          • 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,0x100,0xd4,0x104,0x7ffdd09946f8,0x7ffdd0994708,0x7ffdd0994718
            5⤵
              PID:4504
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
              5⤵
                PID:176
              • 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=2108,11257844021594548971,818565321624702394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:3
                5⤵
                • Suspicious behavior: EnumeratesProcesses
                PID:204
              • 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=2108,11257844021594548971,818565321624702394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2728 /prefetch:8
                5⤵
                  PID:3668
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=3912 /prefetch:1
                  5⤵
                    PID:3952
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=3984 /prefetch:1
                    5⤵
                      PID:1456
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4704 /prefetch:1
                      5⤵
                        PID:4756
                      • 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=2108,11257844021594548971,818565321624702394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5512 /prefetch:8
                        5⤵
                          PID:5036
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=4500 /prefetch:1
                          5⤵
                            PID:3468
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=5832 /prefetch:1
                            5⤵
                              PID:4520
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=4656 /prefetch:1
                              5⤵
                                PID:3648
                              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,11257844021594548971,818565321624702394,131072 --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=5720 /prefetch:1
                                5⤵
                                  PID:1968
                                • 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=2108,11257844021594548971,818565321624702394,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=6264 /prefetch:8
                                  5⤵
                                    PID:2816
                                  • 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=2108,11257844021594548971,818565321624702394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6488 /prefetch:8
                                    5⤵
                                      PID:4060
                                    • 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:2912
                                      • 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,0x7ff6942a5460,0x7ff6942a5470,0x7ff6942a5480
                                        6⤵
                                          PID:2248
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=hdhdgdg.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                      4⤵
                                        PID:3656
                                        • 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,0x100,0xd4,0x104,0x7ffdd09946f8,0x7ffdd0994708,0x7ffdd0994718
                                          5⤵
                                            PID:3484
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:3524

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v6

                                    Persistence

                                    Registry Run Keys / Startup Folder

                                    1
                                    T1060

                                    Defense Evasion

                                    Modify Registry

                                    1
                                    T1112

                                    Discovery

                                    Query Registry

                                    2
                                    T1012

                                    System Information Discovery

                                    3
                                    T1082

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      Filesize

                                      152B

                                      MD5

                                      7b4b103831d353776ed8bfcc7676f9df

                                      SHA1

                                      40f33a3f791fda49a35224a469cc67b94ca53a23

                                      SHA256

                                      bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                      SHA512

                                      5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                    • C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
                                      Filesize

                                      152B

                                      MD5

                                      7b4b103831d353776ed8bfcc7676f9df

                                      SHA1

                                      40f33a3f791fda49a35224a469cc67b94ca53a23

                                      SHA256

                                      bf59580e4d4a781622abb3d43674dedc8d618d6c6da09e7d85d920cd9cea4e85

                                      SHA512

                                      5cb3360ac602d18425bdb977be3c9ee8bbe815815278a8848488ba9097e849b7d67f993b4795216e0c168cdc9c9260de504cccb305ff808da63762c2209e532f

                                    • C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe
                                      Filesize

                                      1.2MB

                                      MD5

                                      c9bf0a21961571ce3d96a0b83b64d45b

                                      SHA1

                                      230aaeaa722e8a01bf2eea065ac8db1f12de1438

                                      SHA256

                                      97dc9a3780891c0a32f867b494bb93d6a35314608d4e87335e0faa4049497525

                                      SHA512

                                      69f0979e32ea16881a4ead22724b9d7bf8ed84a1b565149ad46acbcbaa8f96945f95715443efa8585ce11eb2bf02aad98719e04690cda825b59b06becdd5b531

                                    • C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe
                                      Filesize

                                      1.2MB

                                      MD5

                                      c9bf0a21961571ce3d96a0b83b64d45b

                                      SHA1

                                      230aaeaa722e8a01bf2eea065ac8db1f12de1438

                                      SHA256

                                      97dc9a3780891c0a32f867b494bb93d6a35314608d4e87335e0faa4049497525

                                      SHA512

                                      69f0979e32ea16881a4ead22724b9d7bf8ed84a1b565149ad46acbcbaa8f96945f95715443efa8585ce11eb2bf02aad98719e04690cda825b59b06becdd5b531

                                    • C:\Users\Admin\AppData\Roaming\subfolder\hdhdgdg.exe
                                      Filesize

                                      1.2MB

                                      MD5

                                      c9bf0a21961571ce3d96a0b83b64d45b

                                      SHA1

                                      230aaeaa722e8a01bf2eea065ac8db1f12de1438

                                      SHA256

                                      97dc9a3780891c0a32f867b494bb93d6a35314608d4e87335e0faa4049497525

                                      SHA512

                                      69f0979e32ea16881a4ead22724b9d7bf8ed84a1b565149ad46acbcbaa8f96945f95715443efa8585ce11eb2bf02aad98719e04690cda825b59b06becdd5b531

                                    • \??\pipe\LOCAL\crashpad_4696_MIOPVXXNONSGYAPG
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/176-147-0x0000000000000000-mapping.dmp
                                    • memory/204-148-0x0000000000000000-mapping.dmp
                                    • memory/396-135-0x0000000002260000-0x0000000002266000-memory.dmp
                                      Filesize

                                      24KB

                                    • memory/1456-159-0x0000000000000000-mapping.dmp
                                    • memory/1968-171-0x0000000000000000-mapping.dmp
                                    • memory/2192-142-0x0000000000400000-0x0000000000522000-memory.dmp
                                      Filesize

                                      1.1MB

                                    • memory/2192-141-0x0000000000000000-mapping.dmp
                                    • memory/2248-175-0x0000000000000000-mapping.dmp
                                    • memory/2816-173-0x0000000000000000-mapping.dmp
                                    • memory/2912-174-0x0000000000000000-mapping.dmp
                                    • memory/3004-136-0x0000000000000000-mapping.dmp
                                    • memory/3468-165-0x0000000000000000-mapping.dmp
                                    • memory/3484-153-0x0000000000000000-mapping.dmp
                                    • memory/3648-169-0x0000000000000000-mapping.dmp
                                    • memory/3656-152-0x0000000000000000-mapping.dmp
                                    • memory/3668-151-0x0000000000000000-mapping.dmp
                                    • memory/3952-157-0x0000000000000000-mapping.dmp
                                    • memory/4504-145-0x0000000000000000-mapping.dmp
                                    • memory/4520-167-0x0000000000000000-mapping.dmp
                                    • memory/4696-144-0x0000000000000000-mapping.dmp
                                    • memory/4756-161-0x0000000000000000-mapping.dmp
                                    • memory/5036-163-0x0000000000000000-mapping.dmp