Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/06/2024, 06:12

General

  • Target
    Ratka.exe
  • Size 37KB
  • Sample240612-gyphfasfnn
  • SHA256 3ba782f1ddf9b091232171b072b30dd145090d02cbb16f6ed816e14e35885285
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 10 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 27 IoCs
  • Suspicious use of SendNotifyMessage 24 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ratka.exe
    "C:\Users\Admin\AppData\Local\Temp\Ratka.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Ratka.exe" "Ratka.exe" ENABLE
      2⤵
      • Modifies Windows Firewall
      PID:4036
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3756,i,7012731823941922179,12386606396608877869,262144 --variations-seed-version --mojo-platform-channel-handle=4436 /prefetch:8
    1⤵
      PID:2296
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      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:2616
      • 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=110.0.5481.104 --initial-client-data=0x11c,0x120,0x124,0xf8,0x128,0x7ff99049ab58,0x7ff99049ab68,0x7ff99049ab78
        2⤵
          PID:3164
        • 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=1852 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:2
          2⤵
            PID:4884
          • 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=2108 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:8
            2⤵
              PID:1736
            • 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=service --mojo-platform-channel-handle=2240 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:8
              2⤵
                PID:2576
              • C:\Program Files\Google\Chrome\Application\chrome.exe
                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --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=3180 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                2⤵
                  PID:2452
                • C:\Program Files\Google\Chrome\Application\chrome.exe
                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3252 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                  2⤵
                    PID:4572
                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4348 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                    2⤵
                      PID:4520
                    • 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=4676 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:8
                      2⤵
                        PID:2292
                      • 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=4836 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:8
                        2⤵
                          PID:2996
                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=2384 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                          2⤵
                            PID:1864
                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=2664 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                            2⤵
                              PID:5088
                            • C:\Program Files\Google\Chrome\Application\chrome.exe
                              "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3392 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                              2⤵
                                PID:4984
                              • C:\Program Files\Google\Chrome\Application\chrome.exe
                                "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --mojo-platform-channel-handle=5012 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                2⤵
                                  PID:756
                                • C:\Program Files\Google\Chrome\Application\chrome.exe
                                  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --mojo-platform-channel-handle=3504 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                  2⤵
                                    PID:400
                                  • C:\Program Files\Google\Chrome\Application\chrome.exe
                                    "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --mojo-platform-channel-handle=3708 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                    2⤵
                                      PID:392
                                    • C:\Program Files\Google\Chrome\Application\chrome.exe
                                      "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --mojo-platform-channel-handle=4368 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                      2⤵
                                        PID:4720
                                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=17 --mojo-platform-channel-handle=5024 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                        2⤵
                                          PID:3696
                                        • C:\Program Files\Google\Chrome\Application\chrome.exe
                                          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=18 --mojo-platform-channel-handle=5012 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                          2⤵
                                            PID:1456
                                          • C:\Program Files\Google\Chrome\Application\chrome.exe
                                            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=19 --mojo-platform-channel-handle=3344 --field-trial-handle=1916,i,11352947211072951229,12820452971963259483,131072 /prefetch:1
                                            2⤵
                                              PID:4804
                                          • C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe
                                            "C:\Program Files\Google\Chrome\Application\110.0.5481.104\elevation_service.exe"
                                            1⤵
                                              PID:4372

                                            Network

                                                  MITRE ATT&CK Enterprise v15

                                                  Replay Monitor

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                                                  Downloads

                                                  Network Persistent State

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                                  • Size 811B
                                                  • SHA256 6d376a43506cf018fe2ee060527088eb3976dcea250d893ad9d0df6021c11246
                                                  • MD5 SHA1 SHA512

                                                  SCT Auditing Pending Reports

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports
                                                  • Size 2B
                                                  • SHA256 4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945
                                                  • MD5 SHA1 SHA512

                                                  Preferences

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                  • Size 7KB
                                                  • SHA256 81ec24460e9f7a204c64cc8af65c96bff1d241a89eddba445cbe369198d9f8f1
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  Preferences

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                                  • Size 7KB
                                                  • SHA256 930f470ffc7dab17b97f23b98c49f97f160668a1e254b0da7b7fb24bd8a629c9
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  Local State

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                  • Size 255KB
                                                  • SHA256 b1a9bf809eebaf310d2a16edce98451a10f98558c350611d54e594a60a64ad2f
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  Local State

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                                  • Size 255KB
                                                  • SHA256 e64473240c6a03bbf48efbb0dce39c654a957ead80c9f94a9859bd259ccec9a8
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  data_1

                                                  • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\ShaderCache\data_1
                                                  • Size 264KB
                                                  • SHA256 8b6f737d071b4fc5f4cf2803fa0687cfb81ddce9a9224725d614e35805de68bd
                                                  • MD5 SHA1 SHA512 SSDEEP

                                                  memory/3940-4-0x0000000075542000-0x0000000075543000-memory.dmp

                                                  memory/3940-30-0x0000000075540000-0x0000000075AF1000-memory.dmp

                                                  memory/3940-5-0x0000000075540000-0x0000000075AF1000-memory.dmp

                                                  memory/3940-48-0x0000000075540000-0x0000000075AF1000-memory.dmp

                                                  memory/3940-0-0x0000000075542000-0x0000000075543000-memory.dmp

                                                  memory/3940-3-0x0000000075540000-0x0000000075AF1000-memory.dmp

                                                  memory/3940-2-0x0000000075540000-0x0000000075AF1000-memory.dmp

                                                  memory/3940-1-0x0000000075540000-0x0000000075AF1000-memory.dmp