Malware Analysis Report

2025-01-22 13:47

Sample ID 240830-lgwmmsxbjc
Target ca931abba5ab287d13dbca6726390820_JaffaCakes118
SHA256 ddf89c93a55df530940c919e192614d8cccdc48e4e870ebfede7c591a74b4153
Tags
hacked njrat discovery 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

ddf89c93a55df530940c919e192614d8cccdc48e4e870ebfede7c591a74b4153

Threat Level: Known bad

The file ca931abba5ab287d13dbca6726390820_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery persistence trojan

njRAT/Bladabindi

Njrat family

Executes dropped EXE

Checks computer location settings

Drops startup file

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-30 09:30

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 09:30

Reported

2024-08-30 09:33

Platform

win7-20240704-en

Max time kernel

150s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_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\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Enumerates physical storage devices

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\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp

Files

memory/2400-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

memory/2400-1-0x0000000000970000-0x0000000000982000-memory.dmp

memory/2400-2-0x0000000074A40000-0x000000007512E000-memory.dmp

\Users\Admin\AppData\Local\Temp\svchost.exe

MD5 ca931abba5ab287d13dbca6726390820
SHA1 2756e13f972f6600d8d449fae722e7cb66a50489
SHA256 ddf89c93a55df530940c919e192614d8cccdc48e4e870ebfede7c591a74b4153
SHA512 08f2fe6cf2a5e62c7fe34ea6515135d56503f61d260804f2043cb956abecb99fd5d1b864aaa010d6b2bed3eec36583dd8036365769a63467dfb6cd29e4e37ebd

memory/2264-10-0x0000000000040000-0x0000000000052000-memory.dmp

memory/2264-11-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2264-12-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2400-13-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2264-15-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2264-16-0x0000000074A40000-0x000000007512E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-30 09:30

Reported

2024-08-30 09:33

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A

Drops startup file

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .." C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Enumerates physical storage devices

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\svchost.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\ca931abba5ab287d13dbca6726390820_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
GB 92.223.59.169:5552 tcp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 24.139.73.23.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa 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
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp
GB 92.223.59.169:5552 tcp

Files

memory/1056-0-0x000000007468E000-0x000000007468F000-memory.dmp

memory/1056-1-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

memory/1056-2-0x0000000005520000-0x00000000055BC000-memory.dmp

memory/1056-3-0x0000000005CC0000-0x0000000006264000-memory.dmp

memory/1056-4-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/1056-5-0x0000000005870000-0x0000000005902000-memory.dmp

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

MD5 ca931abba5ab287d13dbca6726390820
SHA1 2756e13f972f6600d8d449fae722e7cb66a50489
SHA256 ddf89c93a55df530940c919e192614d8cccdc48e4e870ebfede7c591a74b4153
SHA512 08f2fe6cf2a5e62c7fe34ea6515135d56503f61d260804f2043cb956abecb99fd5d1b864aaa010d6b2bed3eec36583dd8036365769a63467dfb6cd29e4e37ebd

memory/4576-16-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/1056-15-0x0000000074680000-0x0000000074E30000-memory.dmp

memory/4576-18-0x0000000005890000-0x000000000589A000-memory.dmp

memory/4576-19-0x0000000074680000-0x0000000074E30000-memory.dmp