Analysis

  • max time kernel
    132s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    10/05/2024, 01:55

General

  • Target
    d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe
  • Size 1.9MB
  • Sample240510-cb4avsfd75
  • SHA256 d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect ZGRat V1 3 IoCs
  • Modifies WinLogon for persistence 2 TTPs 6 IoCs
  • Process spawned unexpected child process 18 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detects executables packed with unregistered version of .NET Reactor 3 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 18 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 12 IoCs
  • Drops file in System32 directory 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Creates scheduled task(s) 1 TTPs 18 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 20 IoCs
  • Suspicious use of WriteProcessMemory 64 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:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe
    "C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\lovz1ym0\lovz1ym0.cmdline"
      2⤵
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:2548
      • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2DB5.tmp" "c:\Windows\System32\CSC3A4523CDDC6E49DAB5EE2AF83EAF99D5.TMP"
        3⤵
          PID:2928
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2888
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2812
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2228
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/MSOCache/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2416
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2224
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2572
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2448
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:1848
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2240
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2232
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:2260
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:536
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\audiodg.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:696
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:680
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\PolicyDefinitions\es-ES\services.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:548
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Default User\csrss.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:1164
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\wininit.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:1328
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe'
        2⤵
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of AdjustPrivilegeToken
        PID:576
      • C:\Windows\System32\cmd.exe
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\6087CiVe2e.bat"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:292
        • C:\Windows\system32\chcp.com
          chcp 65001
          3⤵
            PID:920
          • C:\Windows\system32\w32tm.exe
            w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
            3⤵
              PID:2404
            • C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe
              "C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe"
              3⤵
              • Suspicious behavior: GetForegroundWindowSpam
              • Suspicious use of AdjustPrivilegeToken
              PID:1940
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\audiodg.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2736
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "audiodg" /sc ONLOGON /tr "'C:\MSOCache\All Users\audiodg.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2720
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "audiodga" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\audiodg.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2512
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1808
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1528
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2532
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "servicess" /sc MINUTE /mo 11 /tr "'C:\Windows\PolicyDefinitions\es-ES\services.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2776
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Windows\PolicyDefinitions\es-ES\services.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2784
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "servicess" /sc MINUTE /mo 6 /tr "'C:\Windows\PolicyDefinitions\es-ES\services.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2384
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Users\Default User\csrss.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2392
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:352
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\csrss.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:872
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\wininit.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2800
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\wininit.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:236
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Recovery\07daf2c2-fe8f-11ee-804d-f636db4e28e7\wininit.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1260
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8ad" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe'" /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:1384
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:2280
        • C:\Windows\system32\schtasks.exe
          schtasks.exe /create /tn "d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8ad" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\AppData\Local\Temp\d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a.exe'" /rl HIGHEST /f
          1⤵
          • Process spawned unexpected child process
          • Creates scheduled task(s)
          PID:3028

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

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              Downloads

              audiodg.exe

              • Path C:\MSOCache\All Users\audiodg.exe
              • Size 1.9MB
              • SHA256 d5d17c328fca15ef8495872ec20670848ce876673630d286a436a589dcc36f8a
              • MD5 SHA1 SHA512 SSDEEP

              6087CiVe2e.bat

              • Path C:\Users\Admin\AppData\Local\Temp\6087CiVe2e.bat
              • Size 278B
              • SHA256 0bb71d85e16e12e24a793e9b230f32d4d415252c5569d30f56872fc9642c2cc3
              • MD5 SHA1 SHA512

              RES2DB5.tmp

              • Path C:\Users\Admin\AppData\Local\Temp\RES2DB5.tmp
              • Size 1KB
              • SHA256 f856283ab4a7353a6dd47462d814ff3af08ab0d4abea5bd0cda6cdf7ffc65e21
              • MD5 SHA1 SHA512

              590aee7bdd69b59b.customDestinations-ms

              • Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\590aee7bdd69b59b.customDestinations-ms
              • Size 7KB
              • SHA256 5dc9b85711134004772a24afebc4728ee722b577367ba0f87d1764a2064cc4bd
              • MD5 SHA1 SHA512 SSDEEP

              lovz1ym0.0.cs

              • Path \??\c:\Users\Admin\AppData\Local\Temp\lovz1ym0\lovz1ym0.0.cs
              • Size 365B
              • SHA256 53827b7e9a61c2bddb9e129241affefcbada0f1be6b8e7ae105b8e72f664d38c
              • MD5 SHA1 SHA512

              lovz1ym0.cmdline

              • Path \??\c:\Users\Admin\AppData\Local\Temp\lovz1ym0\lovz1ym0.cmdline
              • Size 235B
              • SHA256 245888bea3c6ecc480641ce13cf250f8d3636d402b309e15f1812614308fdda5
              • MD5 SHA1 SHA512

              CSC3A4523CDDC6E49DAB5EE2AF83EAF99D5.TMP

              • Path \??\c:\Windows\System32\CSC3A4523CDDC6E49DAB5EE2AF83EAF99D5.TMP
              • Size 1KB
              • SHA256 003098fe5fd83cb4346dded8d55b9b673e4238d8dc810b59e22bc14eb7238478
              • MD5 SHA1 SHA512

              memory/1940-140-0x0000000001210000-0x00000000013F6000-memory.dmp

              memory/1968-9-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-8-0x0000000002070000-0x000000000208C000-memory.dmp

              memory/1968-16-0x0000000002050000-0x000000000205C000-memory.dmp

              memory/1968-14-0x0000000001FC0000-0x0000000001FCE000-memory.dmp

              memory/1968-20-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-19-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-12-0x0000000002110000-0x0000000002128000-memory.dmp

              memory/1968-10-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-17-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-18-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-0-0x000007FEF5B33000-0x000007FEF5B34000-memory.dmp

              memory/1968-6-0x00000000004F0000-0x00000000004FE000-memory.dmp

              memory/1968-4-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-3-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-1-0x0000000000060000-0x0000000000246000-memory.dmp

              memory/1968-2-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/1968-108-0x000007FEF5B30000-0x000007FEF651C000-memory.dmp

              memory/2812-63-0x000000001B600000-0x000000001B8E2000-memory.dmp

              memory/2888-69-0x00000000028A0000-0x00000000028A8000-memory.dmp