Analysis

  • max time kernel
    150s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2022 21:45

General

  • Target

    bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779.exe

  • Size

    11KB

  • MD5

    7315a452bc37ab65f5ab84ce1fd8fe70

  • SHA1

    f1d98b63cc276d6874612d95a67d533162921f12

  • SHA256

    bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779

  • SHA512

    42ceca77aa4788d11075b985f96f3f15dd312f38a175e6fd2864f25dcb608b9590e6d4b5b2b95ace6d6bdeb192864cdb85578f26c99bf3e92427417241b064eb

  • SSDEEP

    192:O8VIWDaQp2IxiqIXsP18touF3lcfFf5yqGNHLSX9Li:O8KWDaQp2miqis9QlcffyqGe4

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Detected potential entity reuse from brand microsoft.
  • 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 WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779.exe
    "C:\Users\Admin\AppData\Local\Temp\bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4676
    • 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=bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      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:5116
      • 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,0x100,0xd4,0x104,0x7ff8962546f8,0x7ff896254708,0x7ff896254718
        3⤵
          PID:2040
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2200 /prefetch:2
          3⤵
            PID:3956
          • 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=2140,5101384104515660780,10228097668848967752,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2264 /prefetch:3
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            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=storage.mojom.StorageService --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
            3⤵
              PID:2080
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=3344 /prefetch:1
              3⤵
                PID:4852
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=3352 /prefetch:1
                3⤵
                  PID:4724
                • 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=2140,5101384104515660780,10228097668848967752,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4892 /prefetch:8
                  3⤵
                    PID:5104
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=4900 /prefetch:1
                    3⤵
                      PID:4616
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=2068 /prefetch:1
                      3⤵
                        PID:4548
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=5064 /prefetch:1
                        3⤵
                          PID:4488
                        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=3836 /prefetch:1
                          3⤵
                            PID:4472
                          • 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=2140,5101384104515660780,10228097668848967752,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4932 /prefetch:8
                            3⤵
                              PID:3872
                            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2140,5101384104515660780,10228097668848967752,131072 --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=6348 /prefetch:1
                              3⤵
                                PID:3864
                              • 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=2140,5101384104515660780,10228097668848967752,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5092 /prefetch:8
                                3⤵
                                  PID:4020
                                • 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:4144
                                  • 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,0x7ff71b8b5460,0x7ff71b8b5470,0x7ff71b8b5480
                                    4⤵
                                      PID:988
                                • 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=bb4969dee6158198a6d4bcd8517f69349ef3e14699ea512f1d923ba41bf5a779.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                  2⤵
                                    PID:1140
                                    • 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=0x100,0x104,0x108,0xdc,0x10c,0x7ff8962546f8,0x7ff896254708,0x7ff896254718
                                      3⤵
                                        PID:4020
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:928

                                    Network

                                    MITRE ATT&CK Matrix ATT&CK v6

                                    Persistence

                                    Registry Run Keys / Startup Folder

                                    1
                                    T1060

                                    Defense Evasion

                                    Modify Registry

                                    1
                                    T1112

                                    Discovery

                                    System Information Discovery

                                    2
                                    T1082

                                    Query Registry

                                    1
                                    T1012

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

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

                                      152B

                                      MD5

                                      f647a9024e00f209b4882586b48a6d1c

                                      SHA1

                                      825a1e51260086c4261315dbc9704e1848fe5ff7

                                      SHA256

                                      77614c9d1cb42c41c0ce0415aecc9a20823ba79bdcdb8a27e90be7a16c57229b

                                      SHA512

                                      84961cc97defa398b0053b40453db58198b3e5bd2ad59770707ed11eb282eff479664253e616427826b40377e6486cdc1676369324617e5b5b0262b904f2ca9a

                                    • \??\pipe\LOCAL\crashpad_5116_LRKCDUPJRMXEBGZO
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/988-162-0x0000000000000000-mapping.dmp
                                    • memory/1140-148-0x0000000000000000-mapping.dmp
                                    • memory/2040-133-0x0000000000000000-mapping.dmp
                                    • memory/2080-139-0x0000000000000000-mapping.dmp
                                    • memory/3864-160-0x0000000000000000-mapping.dmp
                                    • memory/3872-158-0x0000000000000000-mapping.dmp
                                    • memory/3956-135-0x0000000000000000-mapping.dmp
                                    • memory/4020-153-0x0000000000000000-mapping.dmp
                                    • memory/4144-161-0x0000000000000000-mapping.dmp
                                    • memory/4472-156-0x0000000000000000-mapping.dmp
                                    • memory/4488-152-0x0000000000000000-mapping.dmp
                                    • memory/4548-150-0x0000000000000000-mapping.dmp
                                    • memory/4616-147-0x0000000000000000-mapping.dmp
                                    • memory/4724-143-0x0000000000000000-mapping.dmp
                                    • memory/4852-141-0x0000000000000000-mapping.dmp
                                    • memory/5044-136-0x0000000000000000-mapping.dmp
                                    • memory/5104-145-0x0000000000000000-mapping.dmp
                                    • memory/5116-132-0x0000000000000000-mapping.dmp