Resubmissions

09/07/2023, 06:15

230709-g1ee9aah7410

09/07/2023, 06:15

230709-g1cawsbf6x

09/07/2023, 04:36

230709-e8dsksag6710

Analysis

  • max time kernel
    119s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2023, 04:36

General

  • Target
    https://virvatulishop.com/labda.zip
  • Sample230709-e8dsksag67
Score
10/10

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 34 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    "C:\Program Files\Google\Chrome\Application\chrome.exe" "--simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT'" https://virvatulishop.com/labda.zip
    1⤵
    • Enumerates system info in registry
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of WriteProcessMemory
    PID:4008
    • 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,0x100,0x104,0xd8,0x108,0x7ffa7db69758,0x7ffa7db69768,0x7ffa7db69778
      2⤵
        PID:2064
      • 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=1696 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:2
        2⤵
          PID:4628
        • 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=2200 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
          2⤵
            PID:2848
          • 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=2112 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
            2⤵
              PID:984
            • 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=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3088 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:1
              2⤵
                PID:2928
              • 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=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2984 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:1
                2⤵
                  PID:2468
                • 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 --lang=en-US --service-sandbox-type=service --mojo-platform-channel-handle=5088 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                  2⤵
                    PID:3064
                  • 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=5288 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                    2⤵
                      PID:2232
                    • 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=5368 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                      2⤵
                        PID:1756
                      • C:\Program Files\Google\Chrome\Application\chrome.exe
                        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=quarantine.mojom.Quarantine --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5428 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                        2⤵
                          PID:4468
                        • 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=5112 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                          2⤵
                            PID:3136
                          • 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=5364 --field-trial-handle=1880,i,14315471182121855157,2605518836509833452,131072 /prefetch:8
                            2⤵
                              PID:2768
                          • 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:4168
                            • C:\Windows\System32\rundll32.exe
                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                              1⤵
                                PID:4400
                              • C:\Users\Admin\Downloads\labda\client32.exe
                                "C:\Users\Admin\Downloads\labda\client32.exe"
                                1⤵
                                • Suspicious use of FindShellTrayWindow
                                PID:4468

                              Network

                                    MITRE ATT&CK Enterprise v6

                                    Replay Monitor

                                    Loading Replay Monitor...

                                    Downloads

                                    99c73909-0e93-431b-8ca5-6990f11c821c.tmp

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\99c73909-0e93-431b-8ca5-6990f11c821c.tmp
                                    • Size 89KB
                                    • SHA256 1a8ae286271f3412ba4d1e0b1a4f69b3e187b8f5aab23206a0f37522e282b139
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Network Persistent State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\Network Persistent State
                                    • Size 1KB
                                    • SHA256 7d936af6a747c6b1eebc9bb2d31d151060f99fae96a2798e5bcdce8def0b0f47
                                    • MD5 SHA1 SHA512

                                    Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                    • Size 6KB
                                    • SHA256 eec0e15b57ff4f42c988f3d9523eb55d92bb6b9380ca1ca38f3b2f41bc47a9ef
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Secure Preferences

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                    • Size 15KB
                                    • SHA256 2f880f5f3278938f1ae935965b322bc26b9a274a92755a75fdbbe1f122412a49
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 174KB
                                    • SHA256 62736e0a7205fad21697c2c4f3fe0fdd7ab9b1d3f3123e3eb1c4ae27823adb5e
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 174KB
                                    • SHA256 2a680c7bd5d892325ffe6b6c4fed465c618719207972ea9da83304032c21f79a
                                    • MD5 SHA1 SHA512 SSDEEP

                                    Local State

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                    • Size 196KB
                                    • SHA256 1886262986b70943558def3a65a4ed2504f074161a870bfe853a6921223ece73
                                    • MD5 SHA1 SHA512 SSDEEP

                                    persisted_first_party_sets.json

                                    • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json
                                    • Size 2B
                                    • SHA256 44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a
                                    • MD5 SHA1 SHA512

                                    labda.zip.crdownload

                                    • Path C:\Users\Admin\Downloads\labda.zip.crdownload
                                    • Size 2.1MB
                                    • SHA256 0dcbc734569aab3ad253b1dbfeb73709a75e57d4c0a3bd06b340544431bb07aa
                                    • MD5 SHA1 SHA512 SSDEEP