Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-es
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-eslocale:es-esos:windows10-2004-x64systemwindows
  • submitted
    18/08/2023, 17:06

General

  • Target

    http://mail.recsa.com.ar/wf/open?upn=16uOpfAcLKdlgESVz3YAWo84G26Hx9fhhEqWCes7L1sUIdmYNQmxqmGZ7w4WRtjrB3kerZNiGjlEaIjX8N-2BRiGRz-2BJbG492Te4d7kFTESccZiAXBoQ8R9NzNUWSgnFrFDkM3PrwewX3i20mlbk4cXZ02-2BitunStl6NRMRbq-2BowUDaRUJkNpu0AYzFz8yS6CbZ-2BYGtwJHKYXUKWTotkhbNLlh18ah0aVKy0OKKFd8bT4-3D

Score
1/10

Malware Config

Signatures

  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 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Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://mail.recsa.com.ar/wf/open?upn=16uOpfAcLKdlgESVz3YAWo84G26Hx9fhhEqWCes7L1sUIdmYNQmxqmGZ7w4WRtjrB3kerZNiGjlEaIjX8N-2BRiGRz-2BJbG492Te4d7kFTESccZiAXBoQ8R9NzNUWSgnFrFDkM3PrwewX3i20mlbk4cXZ02-2BitunStl6NRMRbq-2BowUDaRUJkNpu0AYzFz8yS6CbZ-2BYGtwJHKYXUKWTotkhbNLlh18ah0aVKy0OKKFd8bT4-3D
    1⤵
    • 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:4592
    • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffee2cf9758,0x7ffee2cf9768,0x7ffee2cf9778
      2⤵
        PID:4192
      • 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=1624 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:2
        2⤵
          PID:3376
        • 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=2212 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
          2⤵
            PID:4584
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --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=2852 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:1
            2⤵
              PID:4092
            • 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=2160 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
              2⤵
                PID:4204
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2860 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:1
                2⤵
                  PID:4672
                • 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=4864 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
                  2⤵
                    PID:3604
                  • 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=4916 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:8
                    2⤵
                      PID:1064
                    • 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=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2812 --field-trial-handle=1860,i,98068421188912513,7923945438210871224,131072 /prefetch:2
                      2⤵
                      • Suspicious behavior: EnumeratesProcesses
                      PID:4848
                  • 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:3856

                    Network

                    MITRE ATT&CK Matrix

                    Replay Monitor

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                    Downloads

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

                      Filesize

                      824B

                      MD5

                      2b2a7f5d8623300dee3741b9f8057d18

                      SHA1

                      d87984255ff10fdf2430b0d07620797d181c6e74

                      SHA256

                      33484ab4f78da8dcdf799b83ba0fd7d8ec4bafd7274fe3d9c656998290702cc9

                      SHA512

                      3de9d64fb2cb747de1f4cdcf536862b86680333747276c417033c79d7179e09ff73729f3ce90f905c6b06e679b906fdf7bb8a0c0e87efe022fb84a20ddfc426b

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

                      Filesize

                      6KB

                      MD5

                      0538997a430726eaba8852be2adec54f

                      SHA1

                      17791f50ced4a4bffeb6067119475182ec9a517b

                      SHA256

                      03563b4b07203c949099998098fda4277bcab15bee205f01fa8d5eb9e47da91a

                      SHA512

                      5daffe8dc142b0cf45a201ead9a548f121821bf14583bbe722db2fe3fe947d391d4dfb9ccbab3701b9f521ed2a9bfeecb439d45462f9b0a4eedca0d23f5249b6

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

                      Filesize

                      87KB

                      MD5

                      dba32958018bc2ba77db512d0129c291

                      SHA1

                      c136e75908622a78edbcd0786d9b9a214cc24878

                      SHA256

                      a5b5c8df054621b802ed0aa2e72555961498bd099ef76ebff0712b99572ceb3d

                      SHA512

                      41ddab80999dbf6cd23685fed6abce1c1075322829025193fbf15926ddbadb83d936db1bd2b8e83071cf5f524f0d7f4dc85f5ed245dc9f3213e9632fdcf2c3d3

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

                      Filesize

                      2B

                      MD5

                      99914b932bd37a50b983c5e7c90ae93b

                      SHA1

                      bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

                      SHA256

                      44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

                      SHA512

                      27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd