Analysis

  • max time kernel
    149s
  • max time network
    124s
  • platform
    windows10-1703_x64
  • resource
    win10-20231129-en
  • resource tags

    arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system
  • submitted
    11-12-2023 22:21

General

  • Target

    https://ci3.googleusercontent.com/mail-sig/AIorK4zt4pL6L8FaTXIcEe8uGa66Xejg9SxymRZH1td-ulLjZ1I2M2es-pjHFrpLvkSpQksxm357xvI

Score
4/10

Malware Config

Signatures

  • Drops file in Windows directory 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: LoadsDriver 10 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 26 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument https://ci3.googleusercontent.com/mail-sig/AIorK4zt4pL6L8FaTXIcEe8uGa66Xejg9SxymRZH1td-ulLjZ1I2M2es-pjHFrpLvkSpQksxm357xvI
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4420
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xcc,0xd0,0xd4,0xa8,0xd8,0x7ffb3ade9758,0x7ffb3ade9768,0x7ffb3ade9778
      2⤵
        PID:4204
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1824 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:8
        2⤵
          PID:4616
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1576 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:2
          2⤵
            PID:2988
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2068 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:8
            2⤵
              PID:2476
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2892 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
              2⤵
                PID:2784
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2884 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                2⤵
                  PID:3760
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4104 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:8
                  2⤵
                    PID:3892
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4208 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:8
                    2⤵
                      PID:692
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4820 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                      2⤵
                        PID:3068
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4972 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                        2⤵
                          PID:2544
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3680 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                          2⤵
                            PID:5084
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3960 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                            2⤵
                              PID:4392
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.15063.0 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3924 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:2
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:3640
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=1696 --field-trial-handle=1792,i,18394357257944625088,14801348084758548665,131072 /prefetch:1
                              2⤵
                                PID:348
                            • C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
                              "C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
                              1⤵
                                PID:4528
                              • C:\Windows\System32\SystemSettingsBroker.exe
                                C:\Windows\System32\SystemSettingsBroker.exe -Embedding
                                1⤵
                                  PID:412
                                • \??\c:\windows\system32\svchost.exe
                                  c:\windows\system32\svchost.exe -k localservicenetworkrestricted -s RmSvc
                                  1⤵
                                    PID:4236
                                  • \??\c:\windows\system32\svchost.exe
                                    c:\windows\system32\svchost.exe -k localservice -s SstpSvc
                                    1⤵
                                      PID:2744
                                    • \??\c:\windows\system32\svchost.exe
                                      c:\windows\system32\svchost.exe -k netsvcs -s NetSetupSvc
                                      1⤵
                                      • Drops file in Windows directory
                                      • Suspicious use of AdjustPrivilegeToken
                                      PID:3756
                                    • \??\c:\windows\system32\svchost.exe
                                      c:\windows\system32\svchost.exe -k netsvcs -s RasMan
                                      1⤵
                                        PID:3512
                                      • C:\Windows\System32\SystemSettingsBroker.exe
                                        C:\Windows\System32\SystemSettingsBroker.exe -Embedding
                                        1⤵
                                          PID:3796
                                        • \??\c:\windows\system32\svchost.exe
                                          c:\windows\system32\svchost.exe -k netsvcs -s RasMan
                                          1⤵
                                            PID:4800

                                          Network

                                          MITRE ATT&CK Enterprise v15

                                          Replay Monitor

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                                          Downloads

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\19674d9a-213d-4583-85e8-5c71458baf40.tmp

                                            Filesize

                                            5KB

                                            MD5

                                            87d84aac46daf97921db258ec8497017

                                            SHA1

                                            175c9005d154a171630ae1ee820d27fbb54f9705

                                            SHA256

                                            446d76fc9f1b640d16799f604a120d7c1a61d65c730031fa56aef0b3675519a2

                                            SHA512

                                            706b20ec0c6050689613cd4c6bc20429c826de7a87a60bedc2e02e3a3b8a8945b914f2eef9209d4bd0a6d9a6c028fe04deeb3c26bfa8b4370eed1e6743218a41

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                            Filesize

                                            5KB

                                            MD5

                                            1ed9ffb284a6ca2ec2dda9f6e677ff34

                                            SHA1

                                            4f3f5df117ffaead8b5e1c96a1c6f16e4af80a41

                                            SHA256

                                            a9280c376164f018e885064732d0178ae06da29f866ddf5ecd19ca9bda9ffae8

                                            SHA512

                                            443dc179ff7b572d087d1cbdd15f6215001ab3b8fcd3334003402625e9daab1a0e7247e2c3ceb5dada637d51082f69b7b2c89d6fdd017ca4393148319a8b937b

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

                                            Filesize

                                            5KB

                                            MD5

                                            8c4911faaaad9df3d1fd0e08e126336e

                                            SHA1

                                            bd89f53443019b3e7a0dfd608504de8a05ccf2d0

                                            SHA256

                                            054a890c5f0304598338481390f8647adbcb29aed804ccad1665d46e40ede63e

                                            SHA512

                                            9a83745ac177f9a739a40977bb91e63ea858eb31b5e996aa3ba2475d260c862221c1dcb5e419b9175256a6745588232e0f91e5915534a7a54038ebe09503a289

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

                                            Filesize

                                            3KB

                                            MD5

                                            71e9403993988289e4fefc8e4f5bef1f

                                            SHA1

                                            7b08a57de92e5385ae5fd17368f07477c85d0b98

                                            SHA256

                                            8fa19f23e3d5f8ea66c2ddedc717db843300753624a724ba68e170480d736a85

                                            SHA512

                                            1d0e94603ac80461e538533d5a51d8b198094e8641cbe8315484defbe968eca399344fef181be124792e9631ef1875238ce79a57055934f8ab7ae17409357508

                                          • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

                                            Filesize

                                            2B

                                            MD5

                                            99914b932bd37a50b983c5e7c90ae93b

                                            SHA1

                                            bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                                            SHA256

                                            44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                                            SHA512

                                            27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

                                          • C:\Windows\INF\netrasa.PNF

                                            Filesize

                                            22KB

                                            MD5

                                            80648b43d233468718d717d10187b68d

                                            SHA1

                                            a1736e8f0e408ce705722ce097d1adb24ebffc45

                                            SHA256

                                            8ab9a39457507e405ade5ef9d723e0f89bc46d8d8b33d354b00d95847f098380

                                            SHA512

                                            eec0ac7e7abcf87b3f0f4522b0dd95c658327afb866ceecff3c9ff0812a521201d729dd71d43f3ac46536f8435d4a49ac157b6282077c7c1940a6668f3b3aea9