Resubmissions

28/07/2024, 17:32

240728-v397layfmg7

28/07/2024, 17:11

240728-vqcqkayakd7

11/07/2024, 10:44

240711-mstg4avhlf7

Analysis

  • max time kernel
    63s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/07/2024, 17:32

General

  • Target
    Installer.exe
  • Size 152.8MB
  • Sample240728-v397layfmg
  • SHA256 ad285800d276e0aaa1c9810d54429352214d0c8b219ac7da2bb646953b112fcd
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Loads dropped DLL 2 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

    Using powershell.exe command.

  • Checks processor information in registry 2 TTPs 7 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Installer.exe
    "C:\Users\Admin\AppData\Local\Temp\Installer.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1556
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /d /s /c "chcp"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3696
      • C:\Windows\system32\chcp.com
        chcp
        3⤵
          PID:1120
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /d /s /c "mshta "javascript:new ActiveXObject('WScript.Shell').Popup('An unknown error happened when trying to extract Unity engine files. Contact this app developers or try again later.', 0, 'UNITY_ENGINE_ERROR', 16);close()""
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3700
        • C:\Windows\system32\mshta.exe
          mshta "javascript:new ActiveXObject('WScript.Shell').Popup('An unknown error happened when trying to extract Unity engine files. Contact this app developers or try again later.', 0, 'UNITY_ENGINE_ERROR', 16);close()"
          3⤵
            PID:2452
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /d /s /c "echo %COMPUTERNAME%.%USERDNSDOMAIN%"
          2⤵
            PID:1372
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:1576
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4464
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            powershell.exe -NoProfile -NoLogo -InputFormat Text -NoExit -ExecutionPolicy Unrestricted -Command -
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:4772
          • C:\Users\Admin\AppData\Local\Temp\Installer.exe
            "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=gpu-process --user-data-dir="C:\Users\Admin\AppData\Roaming\program" --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAGAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1888 --field-trial-handle=1892,i,411126346557961081,3270302909323234996,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
            2⤵
              PID:784
            • C:\Users\Admin\AppData\Local\Temp\Installer.exe
              "C:\Users\Admin\AppData\Local\Temp\Installer.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --user-data-dir="C:\Users\Admin\AppData\Roaming\program" --mojo-platform-channel-handle=2104 --field-trial-handle=1892,i,411126346557961081,3270302909323234996,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:8
              2⤵
              • Suspicious behavior: EnumeratesProcesses
              PID:1320
            • C:\Windows\system32\cmd.exe
              C:\Windows\system32\cmd.exe /d /s /c "findstr /C:"Detected boot environment" "%windir%\Panther\setupact.log""
              2⤵
              • Suspicious use of WriteProcessMemory
              PID:776
              • C:\Windows\system32\findstr.exe
                findstr /C:"Detected boot environment" "C:\Windows\Panther\setupact.log"
                3⤵
                  PID:2944
              • C:\Users\Admin\AppData\Local\Temp\Installer.exe
                "C:\Users\Admin\AppData\Local\Temp\Installer.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 --user-data-dir="C:\Users\Admin\AppData\Roaming\program" --gpu-preferences=UAAAAAAAAADoAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAACQAAAAAAAAAAAAAAAAAAAAAAAAABgAAAAAAAAAGAAAAAAAAAAIAAAAAAAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2624 --field-trial-handle=1892,i,411126346557961081,3270302909323234996,131072 --disable-features=SpareRendererForSitePerProcess,WinRetrieveSuggestionsOnlyOnDemand /prefetch:2
                2⤵
                  PID:4560

              Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    powershell.exe.log

                    • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                    • Size 3KB
                    • SHA256 5a48860ad5bdf15d7a241aa16124163ec48adc0f0af758e43561ac07e4f163b2
                    • MD5 SHA1 SHA512

                    StartupProfileData-Interactive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                    • Size 2KB
                    • SHA256 5422bc17b852ad463110de0db9b59ffa4219e065d3e2843618d6ebbd14273c65
                    • MD5 SHA1 SHA512

                    StartupProfileData-Interactive

                    • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-Interactive
                    • Size 2KB
                    • SHA256 53bb6e31c2534c61d2bb23c0ef4d9550c1b9361610bd01ef1816a97297147ed2
                    • MD5 SHA1 SHA512

                    __PSScriptPolicyTest_h5w0ilbp.bor.ps1

                    • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h5w0ilbp.bor.ps1
                    • Size 60B
                    • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                    • MD5 SHA1 SHA512

                    c4570b01-7968-464c-b545-5b75e4e1f3e5.tmp.node

                    • Path C:\Users\Admin\AppData\Local\Temp\c4570b01-7968-464c-b545-5b75e4e1f3e5.tmp.node
                    • Size 131KB
                    • SHA256 e6f8144d00aa5be457b5302cfe5b6bdb8a7af85c180671c0eac69e1b3ee54e20
                    • MD5 SHA1 SHA512 SSDEEP

                    cb8ed059-4453-4d43-babc-34062a92c3c2.tmp.node

                    • Path C:\Users\Admin\AppData\Local\Temp\cb8ed059-4453-4d43-babc-34062a92c3c2.tmp.node
                    • Size 1.8MB
                    • SHA256 991f85856a7ef1937ce09d25704ad5617441ab3e901c455973fe3c521e409cb3
                    • MD5 SHA1 SHA512 SSDEEP

                    memory/1576-46-0x000002A6B1FC0000-0x000002A6B1FEA000-memory.dmp

                    memory/1576-47-0x000002A6B1FC0000-0x000002A6B1FE4000-memory.dmp

                    memory/4560-77-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-66-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-68-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-67-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-78-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-76-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-75-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-74-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-73-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4560-72-0x00000208F6930000-0x00000208F6931000-memory.dmp

                    memory/4772-42-0x000002EE75F70000-0x000002EE75FE6000-memory.dmp

                    memory/4772-41-0x000002EE75EA0000-0x000002EE75EE4000-memory.dmp

                    memory/4772-24-0x000002EE73930000-0x000002EE73952000-memory.dmp