Overview

overview

10

Static

static

1

JaffaCakes...23.exe

windows7-x64

10

JaffaCakes...23.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-12-2024 22:06

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General

  • Target

    JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe

  • Size

    4.4MB

  • MD5

    31ad68a3b2bf46a59b6d8d17fe7f0560

  • SHA1

    6e694cd64a3ba2f8fefcc1ed6518f1b245adc366

  • SHA256

    ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823

  • SHA512

    7975ba7814420d178dcda7acee162a976bd004261b8ef0a8df0eb0b49f3bcfc5f76583c39a197a6d3257efeb39e9dc6a13f81b208876f57ada0bb5547a51cea4

  • SSDEEP

    98304:bCO84A9+9dFbp7ZLQ7ZgdtZQcZirr1u7kscYbkcHnWUo9cqh:kl9+9dFTQ7ZgdtOcZif1hscY4+nqp

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 36 IoCs
  • MetaSploit

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

    trojanbackdoormetasploit
  • Metasploit family
    metasploit
  • Modifies Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 3 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
  • Suspicious use of SetThreadContext 3 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
  • System Location Discovery: System Language Discovery 1 TTPs 6 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 5 IoCs

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

  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 3 IoCs
    evasionspywaretrojan
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

    persistenceexecution
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 39 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\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3452
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
      • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe
        "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe"
        3⤵
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2980
        • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe
          "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823.exe"
          4⤵
          • 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
          • Modifies system certificate store
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:3048
          • 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"
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:3876
            • C:\Windows\system32\netsh.exe
              netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
              6⤵
              • Modifies Windows Firewall
              • Event Triggered Execution: Netsh Helper DLL
              PID:5020
          • C:\Windows\rss\csrss.exe
            C:\Windows\rss\csrss.exe /51-51
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3004
            • C:\Windows\rss\csrss.exe
              C:\Windows\rss\csrss.exe /51-51
              6⤵
              • Executes dropped EXE
              • Manipulates WinMonFS driver.
              • System Location Discovery: System Language Discovery
              • Modifies data under HKEY_USERS
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of AdjustPrivilegeToken
              • Suspicious use of WriteProcessMemory
              PID:5092
              • C:\Windows\SYSTEM32\schtasks.exe
                schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
                7⤵
                • Scheduled Task/Job: Scheduled Task
                PID:3548
              • 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
                7⤵
                • Executes dropped EXE
                • Suspicious behavior: EnumeratesProcesses
                PID:3508

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\injector\injector.exe
    Filesize

    281KB

    MD5

    d98e33b66343e7c96158444127a117f6

    SHA1

    bb716c5509a2bf345c6c1152f6e3e1452d39d50d

    SHA256

    5de4e2b07a26102fe527606ce5da1d5a4b938967c9d380a3c5fe86e2e34aaaf1

    SHA512

    705275e4a1ba8205eb799a8cf1737bc8ba686925e52c9198a6060a7abeee65552a85b814ac494a4b975d496a63be285f19a6265550585f2fc85824c42d7efab5

    Download Submit

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

    4.4MB

    MD5

    31ad68a3b2bf46a59b6d8d17fe7f0560

    SHA1

    6e694cd64a3ba2f8fefcc1ed6518f1b245adc366

    SHA256

    ef4361b4ac412fa1b9ecc599f303b21e71a859664a8949f259eb6232f67bf823

    SHA512

    7975ba7814420d178dcda7acee162a976bd004261b8ef0a8df0eb0b49f3bcfc5f76583c39a197a6d3257efeb39e9dc6a13f81b208876f57ada0bb5547a51cea4

    Download Submit

  • memory/3044-11-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-6-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-9-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-8-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-10-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-4-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-7-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3044-5-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-21-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-22-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-20-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-23-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-24-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-25-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-29-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3452-1-0x0000000004F20000-0x000000000535E000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/3452-2-0x0000000005360000-0x0000000005C86000-memory.dmp

    Filesize

    9.1MB

    Download

  • memory/5092-65-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-56-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-43-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-47-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-46-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-48-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-49-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-50-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-42-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-44-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-57-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-58-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-59-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-60-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-61-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-62-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-63-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-64-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-45-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/5092-66-0x0000000000400000-0x0000000000D41000-memory.dmp

    Filesize

    9.3MB

    Download