Analysis

  • max time kernel
    156s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 21:47

General

  • Target

    da81e40b2ee151af23fb6d9393c3248d4c1722b3cc287030e1ee310cdab8ec9a.exe

  • Size

    339KB

  • MD5

    70931aeb3ee904258c26992183a47485

  • SHA1

    88fc4933b34fd726eed5236abdc170a3ea38cc3c

  • SHA256

    da81e40b2ee151af23fb6d9393c3248d4c1722b3cc287030e1ee310cdab8ec9a

  • SHA512

    96d50deb981f3fa5499077d095dd4a982323ce3ad0d7bf04a34d341bfc1f37e458b91954d4ba3d6fe17ab7368e4ae68e7326c485cd567678d72f437a2d3bbb9f

  • SSDEEP

    6144:xycPaZZd5ZbVyuJLMExvHVBwQCIVmPjAsD2QFUlijXXuiYuj7TBE:xVPOd5Zkc4yXyPr/FhX+cjPBE

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

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

  • 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 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\da81e40b2ee151af23fb6d9393c3248d4c1722b3cc287030e1ee310cdab8ec9a.exe
    "C:\Users\Admin\AppData\Local\Temp\da81e40b2ee151af23fb6d9393c3248d4c1722b3cc287030e1ee310cdab8ec9a.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Temp\se_102329158\56260457871181987.exe
      "C:\Users\Admin\AppData\Local\Temp\se_102329158\56260457871181987.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4988
      • 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=56260457871181987.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
        3⤵
        • 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:4424
        • 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=0x108,0x10c,0x110,0xe4,0x114,0x7fffd01d46f8,0x7fffd01d4708,0x7fffd01d4718
          4⤵
            PID:4684
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2156 /prefetch:2
            4⤵
              PID:344
            • 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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
              4⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:116
            • 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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2708 /prefetch:8
              4⤵
                PID:3868
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --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=3296 /prefetch:1
                4⤵
                  PID:3744
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --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=3320 /prefetch:1
                  4⤵
                    PID:1620
                  • 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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=4920 /prefetch:8
                    4⤵
                      PID:4656
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --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=5028 /prefetch:1
                      4⤵
                        PID:3708
                      • 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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=3708 /prefetch:8
                        4⤵
                          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=2108,3886950913480202320,1424722515931642506,131072 --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=5728 /prefetch:1
                          4⤵
                            PID:4532
                          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5784 /prefetch:1
                            4⤵
                              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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4988 /prefetch:8
                              4⤵
                                PID:1808
                              • 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
                                4⤵
                                • Drops file in Program Files directory
                                PID:3188
                                • 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,0x7ff6c7255460,0x7ff6c7255470,0x7ff6c7255480
                                  5⤵
                                    PID:4936
                                • 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=2108,3886950913480202320,1424722515931642506,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4988 /prefetch:8
                                  4⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:2756
                                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --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=5636 /prefetch:1
                                  4⤵
                                    PID:4656
                                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6180 /prefetch:1
                                    4⤵
                                      PID:2944
                                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2108,3886950913480202320,1424722515931642506,131072 --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=6688 /prefetch:2
                                      4⤵
                                      • Suspicious behavior: EnumeratesProcesses
                                      PID:1620
                                  • 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=56260457871181987.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
                                    3⤵
                                      PID:3948
                                      • 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=0x108,0x10c,0x110,0xd8,0x114,0x7fffd01d46f8,0x7fffd01d4708,0x7fffd01d4718
                                        4⤵
                                          PID:4888
                                  • C:\Windows\System32\CompPkgSrv.exe
                                    C:\Windows\System32\CompPkgSrv.exe -Embedding
                                    1⤵
                                      PID:1276

                                    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

                                      9227ba18e4106970788586689f7dddd7

                                      SHA1

                                      7e2c112b4b2f2fe7b5d308a2078dc487f8b50c7c

                                      SHA256

                                      01d0339bd0406e76af6bbce8ca4e41d6c0bb5e1ac9f5926f1e0627590880e481

                                      SHA512

                                      b0fafe3d9e1e5d7e8eb6ba258852ae1d1c9ffb04a6378703755a89e4575d3af1c2b88e5367e0868b7f1ea3ee7f9a76a1541a2846e583621ed495d1d97ff864da

                                    • C:\Users\Admin\AppData\Local\Temp\se_102329158\56260457871181987.exe
                                      Filesize

                                      488KB

                                      MD5

                                      cd370c2a2b7d4f6239dd338eae273113

                                      SHA1

                                      b42e6645b89a7cc4ac42d343c9dd170ac81a65c1

                                      SHA256

                                      a1da5ac48f8a8038f475434dddfd82e9c4675a66ef8062eb7914fbe80b9943e0

                                      SHA512

                                      056d93c2ec257e4ac2ee84bf2a67e48316cec916eebed228f9c03720bacc885de22b5922676a38606638655c6445a55b8faa0c97f4e1b929fa01c6637e82629a

                                    • C:\Users\Admin\AppData\Local\Temp\se_102329158\56260457871181987.exe
                                      Filesize

                                      488KB

                                      MD5

                                      cd370c2a2b7d4f6239dd338eae273113

                                      SHA1

                                      b42e6645b89a7cc4ac42d343c9dd170ac81a65c1

                                      SHA256

                                      a1da5ac48f8a8038f475434dddfd82e9c4675a66ef8062eb7914fbe80b9943e0

                                      SHA512

                                      056d93c2ec257e4ac2ee84bf2a67e48316cec916eebed228f9c03720bacc885de22b5922676a38606638655c6445a55b8faa0c97f4e1b929fa01c6637e82629a

                                    • \??\pipe\LOCAL\crashpad_4424_ZISVWPVTHDVMHNTX
                                      MD5

                                      d41d8cd98f00b204e9800998ecf8427e

                                      SHA1

                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                      SHA256

                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                      SHA512

                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                    • memory/116-141-0x0000000000000000-mapping.dmp
                                    • memory/344-140-0x0000000000000000-mapping.dmp
                                    • memory/1620-148-0x0000000000000000-mapping.dmp
                                    • memory/1620-169-0x0000000000000000-mapping.dmp
                                    • memory/2756-164-0x0000000000000000-mapping.dmp
                                    • memory/2816-158-0x0000000000000000-mapping.dmp
                                    • memory/2944-168-0x0000000000000000-mapping.dmp
                                    • memory/3188-159-0x0000000000000000-mapping.dmp
                                    • memory/3708-152-0x0000000000000000-mapping.dmp
                                    • memory/3744-146-0x0000000000000000-mapping.dmp
                                    • memory/3868-144-0x0000000000000000-mapping.dmp
                                    • memory/3948-161-0x0000000000000000-mapping.dmp
                                    • memory/4112-154-0x0000000000000000-mapping.dmp
                                    • memory/4424-137-0x0000000000000000-mapping.dmp
                                    • memory/4520-132-0x0000000000400000-0x0000000000418000-memory.dmp
                                      Filesize

                                      96KB

                                    • memory/4520-135-0x0000000000400000-0x0000000000418000-memory.dmp
                                      Filesize

                                      96KB

                                    • memory/4532-156-0x0000000000000000-mapping.dmp
                                    • memory/4656-166-0x0000000000000000-mapping.dmp
                                    • memory/4656-150-0x0000000000000000-mapping.dmp
                                    • memory/4684-138-0x0000000000000000-mapping.dmp
                                    • memory/4888-162-0x0000000000000000-mapping.dmp
                                    • memory/4936-160-0x0000000000000000-mapping.dmp
                                    • memory/4988-133-0x0000000000000000-mapping.dmp