Overview

overview

10

Static

static

3

a942e57ad5...18.exe

windows7-x64

10

a942e57ad5...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2024 19:14

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General

  • Target

    a942e57ad5f91351cc03c6b77b5dd439_JaffaCakes118.exe

  • Size

    158KB

  • MD5

    a942e57ad5f91351cc03c6b77b5dd439

  • SHA1

    89ea1c58c986f81d01f4da5a2c2917437e7f392a

  • SHA256

    05aeda20e41ca92a853806bd846b8d1703ae8b36857f2aec62c298feca0624b1

  • SHA512

    e68cd052a94c31de9bcb49353f6dfb5a250181ba4847f4f542b7f4ab96dbf134597d450527a17b8f4406116f246f511d2799fd2e3d91562b5743c24f5cbcc821

  • SSDEEP

    3072:doixrduqW9Goin4lZoD9d16zVfMZ2KKNRdTaB:mW5jOA96xrRd

Score
10/10
metasploitbackdoordiscoveryevasionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

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

    trojanbackdoormetasploit
  • Metasploit family
    metasploit
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Modifies firewall policy service 3 TTPs 8 IoCs
    evasion
  • Modifies security service 2 TTPs 1 IoCs
    evasion
  • Windows security bypass 2 TTPs 5 IoCs
    evasiontrojan
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence
  • Looks for VMWare Tools registry key 2 TTPs 2 IoCs
    evasion
  • Modifies Windows Firewall 2 TTPs 5 IoCs
    evasion
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Windows security modification 2 TTPs 5 IoCs
    evasiontrojan
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Drops file in System32 directory 5 IoCs
  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Event Triggered Execution: Netsh Helper DLL 1 TTPs 15 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 7 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 58 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a942e57ad5f91351cc03c6b77b5dd439_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a942e57ad5f91351cc03c6b77b5dd439_JaffaCakes118.exe"
    1⤵
    • Looks for VMWare Tools registry key
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    PID:2756
  • C:\Windows\Fonts\wmsncs.exe
    "C:\Windows\Fonts\wmsncs.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Modifies firewall policy service
    • Modifies security service
    • Windows security bypass
    • Boot or Logon Autostart Execution: Active Setup
    • Looks for VMWare Tools registry key
    • Deletes itself
    • Executes dropped EXE
    • Windows security modification
    • Adds Run key to start application
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2812
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 1013 BS
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2544
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8080 PORT1
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2592
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set portopening TCP 8081 PORT2
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:1056
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall add allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2232
    • C:\Windows\SysWOW64\netsh.exe
      "C:\Windows\System32\netsh.exe" firewall set allowedprogram "C:\Windows\Fonts\wmsncs.exe" workstation ENABLE ALL
      2⤵
      • Modifies Windows Firewall
      • Event Triggered Execution: Netsh Helper DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      PID:2216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

3
T1547

Active Setup

1
T1547.014

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

3
T1543

Windows Service

3
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

Impair Defenses

4
T1562

Disable or Modify System Firewall

2
T1562.004

Disable or Modify Tools

2
T1562.001

Modify Registry

7
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Virtualization/Sandbox Evasion

1
T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

  • C:\Windows\Fonts\wmsncs.exe
    Filesize

    158KB

    MD5

    a942e57ad5f91351cc03c6b77b5dd439

    SHA1

    89ea1c58c986f81d01f4da5a2c2917437e7f392a

    SHA256

    05aeda20e41ca92a853806bd846b8d1703ae8b36857f2aec62c298feca0624b1

    SHA512

    e68cd052a94c31de9bcb49353f6dfb5a250181ba4847f4f542b7f4ab96dbf134597d450527a17b8f4406116f246f511d2799fd2e3d91562b5743c24f5cbcc821

    Download Submit

  • memory/2756-7-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2756-1-0x00000000001B0000-0x00000000001B2000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2756-0-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-20-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-5-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-6-0x0000000000220000-0x0000000000222000-memory.dmp

    Filesize

    8KB

    Download

  • memory/2812-33-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-43-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-66-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-100-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-110-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-120-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-156-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download

  • memory/2812-166-0x0000000000400000-0x0000000000636000-memory.dmp

    Filesize

    2.2MB

    Download