Malware Analysis Report

2025-01-22 13:47

Sample ID 240830-hw655stapp
Target ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118
SHA256 3b7f64b59e1472ab72c20b43f636002c87b58799da6388869a8b872e7316c08b
Tags
hacked njrat discovery evasion persistence privilege_escalation 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

3b7f64b59e1472ab72c20b43f636002c87b58799da6388869a8b872e7316c08b

Threat Level: Known bad

The file ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery evasion persistence privilege_escalation trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Event Triggered Execution: Netsh Helper DLL

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 07:06

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-30 07:06

Reported

2024-08-30 07:08

Platform

win7-20240705-en

Max time kernel

149s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\d3cb74d223b66e1c3aebf64e3aa2b4d1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1385883288-3042840365-2734249351-1000\Software\Microsoft\Windows\CurrentVersion\Run\d3cb74d223b66e1c3aebf64e3aa2b4d1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\svhost.exe

"C:\Users\Admin\AppData\Roaming\svhost.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 securit.linkpc.net udp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp

Files

memory/1688-0-0x0000000074221000-0x0000000074222000-memory.dmp

memory/1688-1-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/1688-2-0x0000000074220000-0x00000000747CB000-memory.dmp

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 ca64a9c11199bbd232c737eb34117e0f
SHA1 44427cc753e8f1cda936970605885010772c4697
SHA256 3b7f64b59e1472ab72c20b43f636002c87b58799da6388869a8b872e7316c08b
SHA512 6d44d971dc16c3b52cf853f999c7fa212d478081d76b463db98858e3bccd040e7368d1667706b032675644b80d06ae3c3032e03475f0e23417607abbcaa5c126

memory/3064-10-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/3064-13-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/1688-12-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/3064-11-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/3064-14-0x0000000074220000-0x00000000747CB000-memory.dmp

memory/3064-15-0x0000000074220000-0x00000000747CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 07:06

Reported

2024-08-30 07:08

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\netsh.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\d3cb74d223b66e1c3aebf64e3aa2b4d1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\d3cb74d223b66e1c3aebf64e3aa2b4d1 = "\"C:\\Users\\Admin\\AppData\\Roaming\\svhost.exe\" .." C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

persistence privilege_escalation
Description Indicator Process Target
Key queried \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key value enumerated \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A
Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh C:\Windows\SysWOW64\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\netsh.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\svhost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ca64a9c11199bbd232c737eb34117e0f_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\svhost.exe

"C:\Users\Admin\AppData\Roaming\svhost.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svhost.exe" "svhost.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 securit.linkpc.net udp
SG 139.99.66.103:10156 securit.linkpc.net tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 52.111.227.14:443 tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
SG 139.99.66.103:10156 securit.linkpc.net tcp
SG 139.99.66.103:10156 securit.linkpc.net tcp

Files

memory/4496-0-0x00000000745D2000-0x00000000745D3000-memory.dmp

memory/4496-1-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/4496-2-0x00000000745D0000-0x0000000074B81000-memory.dmp

C:\Users\Admin\AppData\Roaming\svhost.exe

MD5 ca64a9c11199bbd232c737eb34117e0f
SHA1 44427cc753e8f1cda936970605885010772c4697
SHA256 3b7f64b59e1472ab72c20b43f636002c87b58799da6388869a8b872e7316c08b
SHA512 6d44d971dc16c3b52cf853f999c7fa212d478081d76b463db98858e3bccd040e7368d1667706b032675644b80d06ae3c3032e03475f0e23417607abbcaa5c126

memory/4496-13-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/1612-12-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/1612-14-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/1612-15-0x00000000745D0000-0x0000000074B81000-memory.dmp

memory/1612-16-0x00000000745D0000-0x0000000074B81000-memory.dmp