Analysis

  • max time kernel
    38s
  • max time network
    26s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    22-03-2024 16:27

General

  • Target

    Silviozas Premium Proxy V3.8596.exe

  • Size

    1.6MB

  • MD5

    3c51e834e5771715a0a71541775a200c

  • SHA1

    41fd0040a304476a4c6fd8823cd6fd70f1caaf35

  • SHA256

    54cb1e6c6cfc831b8c00569e684f7f66cf4abafc3afae991ef707e2f57093667

  • SHA512

    fd8dfb05cf322175080f6101dfcda7b94be7a0c3a966d3a973337633292493963a4c4f97baf8d9273a454ffa41ef0eaf24508c1dd45321b6faa665f530f39e2c

  • SSDEEP

    24576:OwT7rC6q3J/4Cu4/DJbzwWstN3oMKC6uJJ/4Cu4/:XrC6q3JgCu4r1z6N3P77JJgCu4

Malware Config

Signatures

  • Contains code to disable Windows Defender 1 IoCs

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detects Eternity stealer 1 IoCs
  • Eternity

    Eternity Project is a malware kit offering an info stealer, clipper, worm, coin miner, ransomware, and DDoS bot.

  • Modifies Windows Defender Real-time Protection settings 3 TTPs 4 IoCs
  • Disables Task Manager via registry modification
  • Drops startup file 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Windows security modification 2 TTPs 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 50 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy V3.8596.exe
    "C:\Users\Admin\AppData\Local\Temp\Silviozas Premium Proxy V3.8596.exe"
    1⤵
    • Modifies Windows Defender Real-time Protection settings
    • Drops startup file
    • Windows security modification
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2332
    • C:\Users\Admin\AppData\Local\Temp\dcd.exe
      "C:\Users\Admin\AppData\Local\Temp\dcd.exe" -path=""
      2⤵
      • Executes dropped EXE
      PID:2316
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "powershell" Get-MpPreference -verbose
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2576
    • C:\Windows\system32\WerFault.exe
      C:\Windows\system32\WerFault.exe -u -p 2332 -s 1636
      2⤵
        PID:2588
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      1⤵
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2488
      • 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=0xc0,0xc4,0xc8,0x94,0xcc,0x7fef6d29758,0x7fef6d29768,0x7fef6d29778
        2⤵
          PID:2544
        • 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=1156 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:2
          2⤵
            PID:1628
          • 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=1496 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:8
            2⤵
              PID:2484
            • 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=1536 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:8
              2⤵
                PID:1968
              • 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=2252 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:1
                2⤵
                  PID:2092
                • 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=2260 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:1
                  2⤵
                    PID:2860
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --use-gl=angle --use-angle=swiftshader-webgl --mojo-platform-channel-handle=1444 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:2
                    2⤵
                      PID:844
                    • 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 --disable-gpu-compositing --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --mojo-platform-channel-handle=1416 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:1
                      2⤵
                        PID:1764
                      • 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=3652 --field-trial-handle=1220,i,6955411175949544801,18320590045905164849,131072 /prefetch:8
                        2⤵
                          PID:2504
                      • 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:2008

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GCM Store\Encryption\000006.dbtmp

                          Filesize

                          16B

                          MD5

                          aefd77f47fb84fae5ea194496b44c67a

                          SHA1

                          dcfbb6a5b8d05662c4858664f81693bb7f803b82

                          SHA256

                          4166bf17b2da789b0d0cc5c74203041d98005f5d4ef88c27e8281e00148cd611

                          SHA512

                          b733d502138821948267a8b27401d7c0751e590e1298fda1428e663ccd02f55d0d2446ff4bc265bdcdc61f952d13c01524a5341bc86afc3c2cde1d8589b2e1c3

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\GPUCache\data_1

                          Filesize

                          264KB

                          MD5

                          f50f89a0a91564d0b8a211f8921aa7de

                          SHA1

                          112403a17dd69d5b9018b8cede023cb3b54eab7d

                          SHA256

                          b1e963d702392fb7224786e7d56d43973e9b9efd1b89c17814d7c558ffc0cdec

                          SHA512

                          bf8cda48cf1ec4e73f0dd1d4fa5562af1836120214edb74957430cd3e4a2783e801fa3f4ed2afb375257caeed4abe958265237d6e0aacf35a9ede7a2e8898d58

                        • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Sync Data\LevelDB\000007.dbtmp

                          Filesize

                          16B

                          MD5

                          18e723571b00fb1694a3bad6c78e4054

                          SHA1

                          afcc0ef32d46fe59e0483f9a3c891d3034d12f32

                          SHA256

                          8af72f43857550b01eab1019335772b367a17a9884a7a759fdf4fe6f272b90aa

                          SHA512

                          43bb0af7d3984012d2d67ca6b71f0201e5b948e6fe26a899641c4c6f066c59906d468ddf7f1df5ea5fa33c2bc5ea8219c0f2c82e0a5c365ad7581b898a8859e2

                        • C:\Users\Admin\AppData\Local\Temp\dcd.exe

                          Filesize

                          227KB

                          MD5

                          b5ac46e446cead89892628f30a253a06

                          SHA1

                          f4ad1044a7f77a1b02155c3a355a1bb4177076ca

                          SHA256

                          def7afcb65126c4b04a7cbf08c693f357a707aa99858cac09a8d5e65f3177669

                          SHA512

                          bcabbac6f75c1d41364406db457c62f5135a78f763f6db08c1626f485c64db4d9ba3b3c8bc0b5508d917e445fd220ffa66ebc35221bd06560446c109818e8e87

                        • memory/2332-4-0x00000000022E0000-0x0000000002360000-memory.dmp

                          Filesize

                          512KB

                        • memory/2332-7-0x00000000022E0000-0x0000000002360000-memory.dmp

                          Filesize

                          512KB

                        • memory/2332-5-0x000000001A760000-0x000000001A79E000-memory.dmp

                          Filesize

                          248KB

                        • memory/2332-6-0x00000000022E0000-0x0000000002360000-memory.dmp

                          Filesize

                          512KB

                        • memory/2332-13-0x00000000022E0000-0x0000000002360000-memory.dmp

                          Filesize

                          512KB

                        • memory/2332-43-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/2332-2-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/2332-0-0x0000000000AC0000-0x0000000000C04000-memory.dmp

                          Filesize

                          1.3MB

                        • memory/2332-3-0x00000000004E0000-0x00000000004E1000-memory.dmp

                          Filesize

                          4KB

                        • memory/2332-1-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/2332-37-0x000007FEF5BA0000-0x000007FEF658C000-memory.dmp

                          Filesize

                          9.9MB

                        • memory/2576-34-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2576-40-0x00000000028D0000-0x0000000002950000-memory.dmp

                          Filesize

                          512KB

                        • memory/2576-39-0x00000000028D0000-0x0000000002950000-memory.dmp

                          Filesize

                          512KB

                        • memory/2576-41-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2576-38-0x00000000028D0000-0x0000000002950000-memory.dmp

                          Filesize

                          512KB

                        • memory/2576-36-0x000007FEED7D0000-0x000007FEEE16D000-memory.dmp

                          Filesize

                          9.6MB

                        • memory/2576-35-0x00000000028D0000-0x0000000002950000-memory.dmp

                          Filesize

                          512KB

                        • memory/2576-33-0x00000000026F0000-0x00000000026F8000-memory.dmp

                          Filesize

                          32KB

                        • memory/2576-32-0x000000001B660000-0x000000001B942000-memory.dmp

                          Filesize

                          2.9MB