Overview

overview

9

Static

static

3

jaffacakes...br.exe

windows10-2004-x64

9

jaffacakes...br.exe

windows11-ltsc_2024-x64

9

Sharing

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General

  • Target
    jaffacakes118_Trojan-Spy.Win32.TheRat.br.052d20d84cdae4b7bb1d79c1db9c582a
  • Size 3.2MB
  • Sample261018-24dcksas7r
  • SHA256 4a03c2fca5602cb95d52206b8dcf8e2c2fd5d06b976143d18070119ecc336e06
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
defense_evasiondiscoveryexploitinstallerpersistenceprivilege_escalationspywarestealerupx

Malware Config

Targets

    • Target
      jaffacakes118_Trojan-Spy.Win32.TheRat.br.052d20d84cdae4b7bb1d79c1db9c582a
    • Size 3.2MB
    • SHA256 4a03c2fca5602cb95d52206b8dcf8e2c2fd5d06b976143d18070119ecc336e06
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    9/10
    defense_evasiondiscoveryexploitpersistenceprivilege_escalationspywarestealerupx

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • NirSoft NirCmd

      NirCmd is a lightweight Windows command-line tool for automating system tasks

    • Drops file in Drivers directory

    • Modifies RDP port number used by Windows

    • Modifies Windows Firewall

      defense_evasion

    • Possible privilege escalation attempt

      exploit

    • Server Software Component: Terminal Services DLL

      persistence

    • Allows Network login with blank passwords

      Allows local user accounts with blank passwords to access device from the network.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spywarestealer

    • Adds Run key to start application

      persistence

    • Modifies WinLogon

      persistence

    • Network Share Discovery

      Attempt to gather information on host network.

      discovery

    • Drops file in System32 directory

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Server Software Component

1
T1505

Terminal Services DLL

1
T1505.005

Privilege Escalation

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Event Triggered Execution

1
T1546

Netsh Helper DLL

1
T1546.007

Defense Evasion

File and Directory Permissions Modification

1
T1222

Impair Defenses

1
T1562

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Credentials from Password Stores

1
T1555

Credentials from Web Browsers

1
T1555.003

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

Network Share Discovery

1
T1135

Peripheral Device Discovery

2
T1120

Query Registry

2
T1012

System Information Discovery

3
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Network Configuration Discovery

1
T1016

Lateral Movement

Remote Services

2
T1021

Remote Desktop Protocol

2
T1021.001

Collection

Data from Local System

1
T1005

Video Capture

1
T1125

Command and Control

Exfiltration

Impact

Tasks