Malware Analysis Report

2024-10-19 08:08

Sample ID 240529-llff8aac7v
Target 80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118
SHA256 01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea
Tags
الــــقـــــوات المــــــــــصـــــريـــــة njrat evasion 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

01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea

Threat Level: Known bad

The file 80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

الــــقـــــوات المــــــــــصـــــريـــــة njrat evasion persistence trojan

Njrat family

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

Drops startup file

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-29 09:37

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 09:37

Reported

2024-05-29 09:39

Platform

win7-20240508-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dcb969badc3b461494cd40fa378bcfe5.exe C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dcb969badc3b461494cd40fa378bcfe5.exe C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\dcb969badc3b461494cd40fa378bcfe5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\knsas.exe\" .." C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\dcb969badc3b461494cd40fa378bcfe5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\knsas.exe\" .." C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\knsas.exe" "knsas.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 ronymahmoudn.ddns.net udp

Files

memory/2168-0-0x0000000074421000-0x0000000074422000-memory.dmp

memory/2168-1-0x0000000074420000-0x00000000749CB000-memory.dmp

memory/2168-2-0x0000000074420000-0x00000000749CB000-memory.dmp

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

MD5 80496ed45fd4d93eb47080a991bd5f7b
SHA1 aa599254505a2815f01bd1ef934798507d0360d6
SHA256 01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea
SHA512 77ee2a39a2c0b6d46e0a2ac43319d45383ac2494a83a226f434425118bb76d6c3331606f5183ec6144d180914800131368f5b26783e3dbeaf3fa66ec2bf1427b

memory/2820-10-0x0000000074420000-0x00000000749CB000-memory.dmp

memory/2168-11-0x0000000074420000-0x00000000749CB000-memory.dmp

memory/2820-13-0x0000000074420000-0x00000000749CB000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 09:37

Reported

2024-05-29 09:39

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dcb969badc3b461494cd40fa378bcfe5.exe C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\dcb969badc3b461494cd40fa378bcfe5.exe C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\knsas.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\dcb969badc3b461494cd40fa378bcfe5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\knsas.exe\" .." C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dcb969badc3b461494cd40fa378bcfe5 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\knsas.exe\" .." C:\Users\Admin\AppData\Local\Temp\knsas.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\80496ed45fd4d93eb47080a991bd5f7b_JaffaCakes118.exe"

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe

"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3756,i,13879737908471496610,15335851594401413307,262144 --variations-seed-version --mojo-platform-channel-handle=4296 /prefetch:8

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

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

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\knsas.exe" "knsas.exe" ENABLE

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 91.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 19.53.126.40.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
NL 23.62.61.185:443 www.bing.com tcp
US 8.8.8.8:53 185.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
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 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp
US 8.8.8.8:53 ronymahmoudn.ddns.net udp

Files

memory/732-0-0x0000000075382000-0x0000000075383000-memory.dmp

memory/732-1-0x0000000075380000-0x0000000075931000-memory.dmp

memory/732-2-0x0000000075380000-0x0000000075931000-memory.dmp

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

MD5 80496ed45fd4d93eb47080a991bd5f7b
SHA1 aa599254505a2815f01bd1ef934798507d0360d6
SHA256 01b836a07d7ca886f4124815d2e26a7c6e4b710e2e2297a43d30a61521b36cea
SHA512 77ee2a39a2c0b6d46e0a2ac43319d45383ac2494a83a226f434425118bb76d6c3331606f5183ec6144d180914800131368f5b26783e3dbeaf3fa66ec2bf1427b

memory/2016-12-0x0000000075380000-0x0000000075931000-memory.dmp

memory/732-13-0x0000000075380000-0x0000000075931000-memory.dmp

memory/2016-14-0x0000000075380000-0x0000000075931000-memory.dmp

memory/2016-16-0x0000000075380000-0x0000000075931000-memory.dmp