Malware Analysis Report

2024-10-23 20:46

Sample ID 240528-nlr65aha9t
Target 7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118
SHA256 afda747854d145b14ad3ec760ffadee413a9f6282f9deecc901bf48e25ea759f
Tags
gazik njrat 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

afda747854d145b14ad3ec760ffadee413a9f6282f9deecc901bf48e25ea759f

Threat Level: Known bad

The file 7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gazik njrat persistence trojan

Njrat family

njRAT/Bladabindi

Executes dropped EXE

Checks computer location settings

Drops startup file

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-28 11:29

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 11:29

Reported

2024-05-28 11:32

Platform

win7-20231129-en

Max time kernel

149s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_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\Roaming\svchost.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\Roaming\svchost.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp

Files

memory/3040-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

memory/3040-1-0x0000000001190000-0x00000000011A2000-memory.dmp

memory/3040-2-0x0000000074BF0000-0x00000000752DE000-memory.dmp

\Users\Admin\AppData\Roaming\svchost.exe

MD5 7ccd52aa71d10f0d7023b4c30f246d89
SHA1 e0eaa21aa43b34e0b9d0a8ea676a585cc8e7916d
SHA256 afda747854d145b14ad3ec760ffadee413a9f6282f9deecc901bf48e25ea759f
SHA512 458ba9e3b4dc1ee4bb49d41ad6a9926ad412f33b5f5a5fd9f25fea2982c5e1d133cba2b90e7aa97175dd8eea14af92f67de171b4dd6791269ef1852987b3a037

memory/2884-10-0x0000000000B00000-0x0000000000B12000-memory.dmp

memory/2884-12-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/2884-11-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/3040-13-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/2884-15-0x0000000074BF0000-0x00000000752DE000-memory.dmp

memory/2884-16-0x0000000074BF0000-0x00000000752DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-28 11:29

Reported

2024-05-28 11:32

Platform

win10v2004-20240426-en

Max time kernel

150s

Max time network

141s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe N/A

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\Roaming\svchost.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\Roaming\svchost.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4018855536-2201274732-320770143-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .." C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Enumerates physical storage devices

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\svchost.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\7ccd52aa71d10f0d7023b4c30f246d89_JaffaCakes118.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 25.24.18.2.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 28.73.42.20.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp

Files

memory/2584-0-0x000000007493E000-0x000000007493F000-memory.dmp

memory/2584-1-0x0000000000530000-0x0000000000542000-memory.dmp

memory/2584-2-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

memory/2584-3-0x0000000005800000-0x0000000005DA4000-memory.dmp

memory/2584-5-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/2584-4-0x00000000052F0000-0x0000000005382000-memory.dmp

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

MD5 7ccd52aa71d10f0d7023b4c30f246d89
SHA1 e0eaa21aa43b34e0b9d0a8ea676a585cc8e7916d
SHA256 afda747854d145b14ad3ec760ffadee413a9f6282f9deecc901bf48e25ea759f
SHA512 458ba9e3b4dc1ee4bb49d41ad6a9926ad412f33b5f5a5fd9f25fea2982c5e1d133cba2b90e7aa97175dd8eea14af92f67de171b4dd6791269ef1852987b3a037

memory/3160-16-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/2584-15-0x0000000074930000-0x00000000750E0000-memory.dmp

memory/3160-18-0x0000000006410000-0x000000000641A000-memory.dmp

memory/3160-19-0x0000000074930000-0x00000000750E0000-memory.dmp