Resubmissions

23-06-2024 18:06

240623-wp2tqssbpj 3

23-06-2024 18:04

240623-wnmy7aybrf 1

14-06-2024 20:34

240614-zcpkesyejk 10

Analysis

  • max time kernel
    133s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-06-2024 18:04

General

  • Target

    us.txt

  • Size

    173B

  • MD5

    6b6c81989aa83c39a795eec2ea4692d7

  • SHA1

    91c2949ba4e3832b32d7c9e3083d265cebaf69b4

  • SHA256

    f4682ac003ffe913d397b9f2f5d3a4e251feae26e704827e1f495d9240b17e20

  • SHA512

    6e13df78169a1a0f8dc8069aaec1da8a12db976fe57fecf30d59dfc6a0820c7e45d1b90187ac4763fbefdafb8313a8523a5f954f882b3891c7ed9d8ee5ce069a

Score
1/10

Malware Config

Signatures

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Opens file in notepad (likely ransom note) 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 14 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:\Windows\system32\NOTEPAD.EXE
    C:\Windows\system32\NOTEPAD.EXE C:\Users\Admin\AppData\Local\Temp\us.txt
    1⤵
    • Opens file in notepad (likely ransom note)
    PID:1100
  • 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:632
    • 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,0x120,0x124,0xfc,0x128,0x7fff66d5ab58,0x7fff66d5ab68,0x7fff66d5ab78
      2⤵
        PID:1820
      • 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=584 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:2
        2⤵
          PID:3212
        • 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=2180 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:8
          2⤵
            PID:528
          • 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=2228 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:8
            2⤵
              PID:3304
            • 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=3108 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
              2⤵
                PID:4792
              • 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=3128 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                2⤵
                  PID:4820
                • 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=4276 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                  2⤵
                    PID:3936
                  • 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=4684 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:8
                    2⤵
                      PID:1380
                    • 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=4844 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:8
                      2⤵
                        PID:1724
                      • 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=4908 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                        2⤵
                          PID:2252
                        • 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=4460 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                          2⤵
                            PID:2588
                          • 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=4300 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                            2⤵
                              PID:1380
                            • 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=4880 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                              2⤵
                                PID:952
                              • 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=4404 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                2⤵
                                  PID:4340
                                • 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=5036 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                  2⤵
                                    PID:3280
                                  • 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=4380 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                    2⤵
                                      PID:904
                                    • 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=4144 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                      2⤵
                                        PID:4568
                                      • 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=1712 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                        2⤵
                                          PID:4296
                                        • 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=3340 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                          2⤵
                                            PID:3316
                                          • 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=20 --mojo-platform-channel-handle=3392 --field-trial-handle=1788,i,2246613344941913775,4571733333798473015,131072 /prefetch:1
                                            2⤵
                                              PID:2020
                                          • 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:3820
                                            • C:\Windows\System32\rundll32.exe
                                              C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
                                              1⤵
                                                PID:4536

                                              Network

                                              MITRE ATT&CK Enterprise v15

                                              Replay Monitor

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                                              Downloads

                                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\SCT Auditing Pending Reports

                                                Filesize

                                                2B

                                                MD5

                                                d751713988987e9331980363e24189ce

                                                SHA1

                                                97d170e1550eee4afc0af065b78cda302a97674c

                                                SHA256

                                                4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945

                                                SHA512

                                                b25b294cb4deb69ea00a4c3cf3113904801b6015e5956bd019a8570b1fe1d6040e944ef3cdee16d0a46503ca6e659a25f21cf9ceddc13f352a3c98138c15d6af

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

                                                Filesize

                                                7KB

                                                MD5

                                                5172903bc965bf243512cf6265310339

                                                SHA1

                                                8f5337b2a6c098c950de6b18e946e9012da50505

                                                SHA256

                                                9fed50d27128e178542eecf95aff675676f97ba440e1db63aa2bf191ea5e1cea

                                                SHA512

                                                26811097b8ec50850a781c938462efd3a390d2fc24ad70ebbdd2a4a37d556271d02e48ff037e7604e163154c15d0702f33917e6a49ba1faa3e38a1fc5f414dc7

                                              • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\f1410ecd-91d4-4722-b6d1-adaa8074e73c.tmp

                                                Filesize

                                                255KB

                                                MD5

                                                9a4c18a67a864c4f55b40ed5e958db47

                                                SHA1

                                                b73d47c3e6b82e85407c3284603c26a054334fab

                                                SHA256

                                                15d1ac0b541bad059a75536e748161dcf049fa35ffee966c451d18ba2849b142

                                                SHA512

                                                f8995f0106a65b8294986cb906bc5bb35153cd78c3b5cacdf11d62b54bbd21c92dbbe0f267535ed7a21c2500a173fd68491ec8f7b451d746ea65039ed15562d3