Malware Analysis Report

2024-10-23 20:47

Sample ID 240528-xwxzsshf56
Target 7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118
SHA256 51f4f99522b25451cdbe601649aff5137aa3c7b5fd5bccfe936a11f5f5b3f62f
Tags
66767 njrat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

51f4f99522b25451cdbe601649aff5137aa3c7b5fd5bccfe936a11f5f5b3f62f

Threat Level: Known bad

The file 7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

66767 njrat trojan

Njrat family

njRAT/Bladabindi

Drops startup file

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-28 19:12

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-28 19:12

Reported

2024-05-28 19:15

Platform

win7-20240221-en

Max time kernel

150s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp

Files

memory/1640-0-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

memory/1640-1-0x0000000000AA0000-0x0000000000AB2000-memory.dmp

memory/1640-2-0x0000000073EE0000-0x00000000745CE000-memory.dmp

memory/1640-4-0x0000000073EEE000-0x0000000073EEF000-memory.dmp

memory/1640-5-0x0000000073EE0000-0x00000000745CE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 19:12

Reported

2024-05-28 19:15

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_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\7e121766e1e15b833eced37bd8bac0e8_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\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7e121766e1e15b833eced37bd8bac0e8_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 145.83.221.88.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 0.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.72:443 www.bing.com tcp
NL 23.62.61.72:443 www.bing.com tcp
US 8.8.8.8:53 72.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 105.83.221.88.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 192.168.0.18:6522 tcp
N/A 192.168.0.18:6522 tcp
US 8.8.8.8:53 34.197.79.40.in-addr.arpa udp

Files

memory/2256-0-0x00000000750EE000-0x00000000750EF000-memory.dmp

memory/2256-1-0x0000000000550000-0x0000000000562000-memory.dmp

memory/2256-2-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

memory/2256-3-0x0000000005820000-0x0000000005DC4000-memory.dmp

memory/2256-4-0x00000000750E0000-0x0000000075890000-memory.dmp

memory/2256-5-0x0000000005310000-0x00000000053A2000-memory.dmp

memory/2256-7-0x0000000005150000-0x000000000515A000-memory.dmp

memory/2256-8-0x00000000750EE000-0x00000000750EF000-memory.dmp

memory/2256-9-0x00000000750E0000-0x0000000075890000-memory.dmp