Overview

overview

10

Static

static

1

JaffaCakes...76.exe

windows7-x64

10

JaffaCakes...76.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-12-2024 23:17

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General

  • Target

    JaffaCakes118_8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376.exe

  • Size

    4.4MB

  • MD5

    511b27c4f47a8a686846fa83d8084c05

  • SHA1

    c6eea8dc68bd15c03595c351720b6fded2627ca8

  • SHA256

    8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376

  • SHA512

    5639ccdfed41bad8db657beb217643f8b52aeed68357f0a3f8a5a4c1fc060d40bac0f50358c1b716118a8b7791f5df71ca2c1848b746d9b16375ecb2321b26c5

  • SSDEEP

    98304:u4k0i3t5W9JOUTLIkyljuW8ZxfepVc5cY2CtM4qKrxV/5jqtD:xkLd5SPXzBWxncx2sZnrxV+

Score
10/10
gluptebametasploitbackdoordiscoverydropperevasionloaderpersistenceprivilege_escalationtrojan

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 9 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 Windows Firewall 2 TTPs 1 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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
  • 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
  • Modifies data under HKEY_USERS 64 IoCs
  • Modifies system certificate store 2 TTPs 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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_8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3048
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376.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:2720
      • 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:2348
        • 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:2552
      • C:\Windows\rss\csrss.exe
        C:\Windows\rss\csrss.exe /188-188
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies data under HKEY_USERS
        • Modifies system certificate store
        PID:708
        • 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:1708
  • C:\Windows\system32\makecab.exe
    "C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20241223231742.log C:\Windows\Logs\CBS\CbsPersist_20241223231742.cab
    1⤵
    • Drops file in Windows directory
    PID:2584

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

3
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

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Downloads

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

    4.4MB

    MD5

    511b27c4f47a8a686846fa83d8084c05

    SHA1

    c6eea8dc68bd15c03595c351720b6fded2627ca8

    SHA256

    8972d6b76f703a60d17a5c621989de670a2b619a458add1d955c4b8e5870d376

    SHA512

    5639ccdfed41bad8db657beb217643f8b52aeed68357f0a3f8a5a4c1fc060d40bac0f50358c1b716118a8b7791f5df71ca2c1848b746d9b16375ecb2321b26c5

    Download Submit

  • memory/708-22-0x0000000000400000-0x0000000002584000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/708-19-0x0000000002760000-0x0000000002B9D000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2720-4-0x0000000002AF0000-0x0000000002F2D000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/2720-20-0x0000000000400000-0x0000000002584000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2720-9-0x0000000000400000-0x0000000002584000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/2720-10-0x0000000000400000-0x0000000002584000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/3048-3-0x0000000000400000-0x0000000000D42000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-6-0x0000000002820000-0x0000000002C5D000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/3048-5-0x0000000000400000-0x0000000002584000-memory.dmp

    Filesize

    33.5MB

    Download

  • memory/3048-8-0x0000000000400000-0x0000000000D42000-memory.dmp

    Filesize

    9.3MB

    Download

  • memory/3048-7-0x0000000002C60000-0x0000000003587000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/3048-0-0x0000000002820000-0x0000000002C5D000-memory.dmp

    Filesize

    4.2MB

    Download

  • memory/3048-2-0x0000000002C60000-0x0000000003587000-memory.dmp

    Filesize

    9.2MB

    Download

  • memory/3048-1-0x0000000002820000-0x0000000002C5D000-memory.dmp

    Filesize

    4.2MB

    Download