Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/06/2024, 14:37

General

  • Target
    pyinstaller.exe
  • Size 56.9MB
  • Sample240608-ry8w7add79
  • SHA256 07c7ce7724f572257314d40ecaa8a0b4a9207a9930dc8b1f95103164f97c0fb9
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Modifies data under HKEY_USERS 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 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:\Users\Admin\AppData\Local\Temp\pyinstaller.exe
    "C:\Users\Admin\AppData\Local\Temp\pyinstaller.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3064
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "hostname"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2008
      • C:\Windows\system32\HOSTNAME.EXE
        hostname
        3⤵
          PID:696
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "powershell -c "Get-WmiObject -Query \"Select * from Win32_CacheMemory\"""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4404
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell -c "Get-WmiObject -Query \"Select * from Win32_CacheMemory\""
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4336
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:2916
      • 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:2964
        • 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=0xfc,0x100,0x104,0xd8,0x108,0x7ffe3000ab58,0x7ffe3000ab68,0x7ffe3000ab78
          2⤵
            PID:1824
          • 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=1656 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:2
            2⤵
              PID:1596
            • 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=2076 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
              2⤵
                PID:3360
              • 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=2276 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                2⤵
                  PID:4496
                • 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=3024 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:1
                  2⤵
                    PID:3428
                  • 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=3040 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:1
                    2⤵
                      PID:5060
                    • 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=4372 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:1
                      2⤵
                        PID:2736
                      • 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=4400 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                        2⤵
                          PID:1292
                        • 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=4344 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                          2⤵
                            PID:3100
                          • 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=4968 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                            2⤵
                              PID:8
                            • 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=5084 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                              2⤵
                                PID:4104
                              • 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=5080 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:8
                                2⤵
                                  PID:3452
                                • 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=1632 --field-trial-handle=1900,i,230739820083588615,9664807311849013058,131072 /prefetch:2
                                  2⤵
                                  • Suspicious behavior: EnumeratesProcesses
                                  PID:4452
                              • 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:4708

                                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 1KB
                                      • SHA256 11346bffa1758335355c92ceebdb5f9133d9c34f275e7d698e71a453b69a3bc0
                                      • 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

                                      TransportSecurity

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Network\TransportSecurity
                                      • Size 356B
                                      • SHA256 704d06f204afb59637d5fc3c3c9925e9c9b9ef43a27794a4c91a8f392b9d25dd
                                      • MD5 SHA1 SHA512

                                      Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences
                                      • Size 7KB
                                      • SHA256 af0258dc0a3aed8ca7259bda4f83b9a0d19960d8cfd19ec6cb217150e47a5615
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Secure Preferences

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
                                      • Size 16KB
                                      • SHA256 12f776603146dd13cc73a079575af8f81c2c590482b75b93ce2210f888a01275
                                      • MD5 SHA1 SHA512 SSDEEP

                                      Local State

                                      • Path C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State
                                      • Size 263KB
                                      • SHA256 7ab09afa5831f37392b874fdeda2394d213654e706e2a9ecb8b432e68f2f039c
                                      • MD5 SHA1 SHA512 SSDEEP

                                      __PSScriptPolicyTest_ouxospdh.fbs.ps1

                                      • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ouxospdh.fbs.ps1
                                      • Size 60B
                                      • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                                      • MD5 SHA1 SHA512

                                      3cb442a7039ddcad2aac3f8bd5bfd6a4f9ff253ce47c1616b3a4495f11a5d0b9

                                      • Path C:\Users\Admin\AppData\Local\Temp\pkg-HyaFRM\3cb442a7039ddcad2aac3f8bd5bfd6a4f9ff253ce47c1616b3a4495f11a5d0b9
                                      • Size 1.8MB
                                      • SHA256 7fb52b781709b065c240b6b81394be6e72e53fe11d7c8e0f7b49dd417eb78a01
                                      • MD5 SHA1 SHA512 SSDEEP

                                      59b07c111ff3cdb6a2d6d93c23513b9ec89195f53f0a55a3a7769a9f164e6041

                                      • Path C:\Users\Admin\AppData\Local\Temp\pkg-HyaFRM\59b07c111ff3cdb6a2d6d93c23513b9ec89195f53f0a55a3a7769a9f164e6041
                                      • Size 137KB
                                      • SHA256 0de74a34d95a30eed84cdf31f0dc5868c59b7977d3d496845c9363812235b768
                                      • MD5 SHA1 SHA512 SSDEEP

                                      memory/4336-132-0x00007FFE30E50000-0x00007FFE31911000-memory.dmp

                                      memory/4336-129-0x00007FFE30E50000-0x00007FFE31911000-memory.dmp

                                      memory/4336-128-0x00007FFE30E50000-0x00007FFE31911000-memory.dmp

                                      memory/4336-123-0x0000026202570000-0x0000026202592000-memory.dmp

                                      memory/4336-117-0x00007FFE30E53000-0x00007FFE30E55000-memory.dmp