Malware Analysis Report

2025-01-22 13:50

Sample ID 240906-wjt7pszfnn
Target d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118
SHA256 38e488f67f251de64c399ed140e566929cd2e7a1b1b6357b8f4c7dbd35c15402
Tags
njrat hacked persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

38e488f67f251de64c399ed140e566929cd2e7a1b1b6357b8f4c7dbd35c15402

Threat Level: Known bad

The file d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat hacked persistence trojan

njRAT/Bladabindi

Drops startup file

Adds Run key to start application

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-06 17:57

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-06 17:57

Reported

2024-09-06 18:00

Platform

win7-20240708-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe"

Network

Country Destination Domain Proto
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp

Files

memory/2972-0-0x000007FEF5813000-0x000007FEF5814000-memory.dmp

memory/2972-1-0x0000000000A40000-0x0000000000A48000-memory.dmp

memory/2972-2-0x00000000003C0000-0x00000000003D2000-memory.dmp

memory/2972-3-0x000007FEF5810000-0x000007FEF61FC000-memory.dmp

memory/2972-5-0x000007FEF5813000-0x000007FEF5814000-memory.dmp

memory/2972-6-0x000007FEF5810000-0x000007FEF61FC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-06 17:57

Reported

2024-09-06 18:00

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe\" .." C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\d021f824c67eecb44f0cbecd3e34f707_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
RU 46.158.156.37:27018 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 17.160.190.20.in-addr.arpa udp
RU 46.158.156.37:27018 tcp
RU 46.158.156.37:27018 tcp

Files

memory/4292-0-0x00007FFDDFB53000-0x00007FFDDFB55000-memory.dmp

memory/4292-1-0x00000000006C0000-0x00000000006C8000-memory.dmp

memory/4292-2-0x0000000002720000-0x0000000002732000-memory.dmp

memory/4292-3-0x00007FFDDFB50000-0x00007FFDE0611000-memory.dmp

memory/4292-5-0x00007FFDDFB53000-0x00007FFDDFB55000-memory.dmp

memory/4292-6-0x00007FFDDFB50000-0x00007FFDE0611000-memory.dmp