Analysis

  • max time kernel
    1617s
  • max time network
    1775s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-01-2023 10:52

General

  • Target

    http://oxy.st

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 7 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of FindShellTrayWindow 34 IoCs
  • Suspicious use of SendNotifyMessage 32 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Program Files\Google\Chrome\Application\chrome.exe
    "C:\Program Files\Google\Chrome\Application\chrome.exe" http://oxy.st
    1⤵
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:1516
    • 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=89.0.4389.114 --initial-client-data=0xc0,0xc4,0xc8,0x94,0xcc,0x7fefb004f50,0x7fefb004f60,0x7fefb004f70
      2⤵
        PID:696
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1036 /prefetch:2
        2⤵
          PID:1752
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1248 /prefetch:8
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1324
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1744 /prefetch:8
          2⤵
            PID:1028
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2032 /prefetch:1
            2⤵
              PID:660
            • C:\Program Files\Google\Chrome\Application\chrome.exe
              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2012 /prefetch:1
              2⤵
                PID:1544
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2660 /prefetch:8
                2⤵
                  PID:1688
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2492 /prefetch:1
                  2⤵
                    PID:1400
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --use-gl=swiftshader-webgl --mojo-platform-channel-handle=3392 /prefetch:2
                    2⤵
                      PID:2016
                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3476 /prefetch:1
                      2⤵
                        PID:1760
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3656 /prefetch:8
                        2⤵
                          PID:2052
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1440 /prefetch:8
                          2⤵
                            PID:2224
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=932 /prefetch:8
                            2⤵
                              PID:2272
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3928 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2320
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3116 /prefetch:8
                              2⤵
                              • Suspicious behavior: EnumeratesProcesses
                              PID:2436
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3940 /prefetch:8
                              2⤵
                                PID:2444
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3352 /prefetch:8
                                2⤵
                                  PID:2516
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3952 /prefetch:8
                                  2⤵
                                    PID:2552
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --disable-gpu-compositing --lang=en-US --extension-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=19 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3320 /prefetch:1
                                    2⤵
                                      PID:2628
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3100 /prefetch:8
                                      2⤵
                                        PID:2808
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3104 /prefetch:8
                                        2⤵
                                          PID:2972
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3776 /prefetch:8
                                          2⤵
                                            PID:2180
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=1972 /prefetch:8
                                            2⤵
                                              PID:2240
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=780 /prefetch:8
                                              2⤵
                                              • Suspicious behavior: EnumeratesProcesses
                                              PID:1584
                                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
                                              2⤵
                                                PID:2336
                                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2852 /prefetch:8
                                                2⤵
                                                  PID:2496
                                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2616 /prefetch:8
                                                  2⤵
                                                    PID:2700
                                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3324 /prefetch:8
                                                    2⤵
                                                      PID:2708
                                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --field-trial-handle=1032,3393875530485749416,3237633956273199063,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=3280 /prefetch:8
                                                      2⤵
                                                        PID:2948
                                                    • C:\Windows\system32\AUDIODG.EXE
                                                      C:\Windows\system32\AUDIODG.EXE 0x1ac
                                                      1⤵
                                                      • Suspicious use of AdjustPrivilegeToken
                                                      PID:2108
                                                    • C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe
                                                      "C:\Program Files\Google\Chrome\Application\89.0.4389.114\elevation_service.exe"
                                                      1⤵
                                                      • Drops file in Program Files directory
                                                      PID:316
                                                      • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe
                                                        "C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe" --appguid={8A69D345-D564-463c-AFF1-A69D9E530F96} --browser-version=89.0.4389.114 --sessionid={fb900402-643f-4d94-87a8-047b83299777} --system
                                                        2⤵
                                                        • Executes dropped EXE
                                                        PID:2280

                                                    Network

                                                    MITRE ATT&CK Matrix ATT&CK v6

                                                    Discovery

                                                    Query Registry

                                                    1
                                                    T1012

                                                    System Information Discovery

                                                    1
                                                    T1082

                                                    Replay Monitor

                                                    Loading Replay Monitor...

                                                    Downloads

                                                    • C:\Program Files\Google\Chrome\ChromeRecovery\scoped_dir316_1090116428\ChromeRecovery.exe
                                                      Filesize

                                                      253KB

                                                      MD5

                                                      49ac3c96d270702a27b4895e4ce1f42a

                                                      SHA1

                                                      55b90405f1e1b72143c64113e8bc65608dd3fd76

                                                      SHA256

                                                      82aa3fd6a25cda9e16689cfadea175091be010cecae537e517f392e0bef5ba0f

                                                      SHA512

                                                      b62f6501cb4c992d42d9097e356805c88ac4ac5a46ead4a8eee9f8cbae197b2305da8aab5b4a61891fe73951588025f2d642c32524b360687993f98c913138a0

                                                    • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\RecoveryImproved\1.3.36.141\Recovery.crx3
                                                      Filesize

                                                      141KB

                                                      MD5

                                                      ea1c1ffd3ea54d1fb117bfdbb3569c60

                                                      SHA1

                                                      10958b0f690ae8f5240e1528b1ccffff28a33272

                                                      SHA256

                                                      7c3a6a7d16ac44c3200f572a764bce7d8fa84b9572dd028b15c59bdccbc0a77d

                                                      SHA512

                                                      6c30728cac9eac53f0b27b7dbe2222da83225c3b63617d6b271a6cfedf18e8f0a8dffa1053e1cbc4c5e16625f4bbc0d03aa306a946c9d72faa4ceb779f8ffcaf

                                                    • \??\PIPE\wkssvc
                                                      MD5

                                                      d41d8cd98f00b204e9800998ecf8427e

                                                      SHA1

                                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                      SHA256

                                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                      SHA512

                                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                    • \??\pipe\crashpad_1516_ECTYCCOVZWEQJSMC
                                                      MD5

                                                      d41d8cd98f00b204e9800998ecf8427e

                                                      SHA1

                                                      da39a3ee5e6b4b0d3255bfef95601890afd80709

                                                      SHA256

                                                      e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

                                                      SHA512

                                                      cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

                                                    • memory/2280-56-0x0000000000000000-mapping.dmp
                                                    • memory/2280-58-0x0000000075BD1000-0x0000000075BD3000-memory.dmp
                                                      Filesize

                                                      8KB