Malware Analysis Report

2024-10-19 08:06

Sample ID 240529-nrrsjsdg96
Target 809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118
SHA256 bb92b3e624e7ab6f198ab61efe26490e2572b25de60ecfd8c400633d09877956
Tags
njrat w3d 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

bb92b3e624e7ab6f198ab61efe26490e2572b25de60ecfd8c400633d09877956

Threat Level: Known bad

The file 809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat w3d evasion persistence trojan

njRAT/Bladabindi

Njrat family

Modifies Windows Firewall

Drops startup file

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

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 11:38

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 11:38

Reported

2024-05-29 11:40

Platform

win7-20240221-en

Max time kernel

149s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_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\09ee54365a3476474a4dd7eb84bad89f.exe C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09ee54365a3476474a4dd7eb84bad89f.exe C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_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\09ee54365a3476474a4dd7eb84bad89f = "\"C:\\Users\\Admin\\AppData\\Roaming\\PW3DCoin.exe\" .." C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\09ee54365a3476474a4dd7eb84bad89f = "\"C:\\Users\\Admin\\AppData\\Roaming\\PW3DCoin.exe\" .." C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\PW3DCoin.exe

"C:\Users\Admin\AppData\Roaming\PW3DCoin.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\PW3DCoin.exe" "PW3DCoin.exe" ENABLE

Network

Country Destination Domain Proto
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp

Files

memory/2316-0-0x00000000747D1000-0x00000000747D2000-memory.dmp

memory/2316-1-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2316-2-0x00000000747D0000-0x0000000074D7B000-memory.dmp

\Users\Admin\AppData\Roaming\PW3DCoin.exe

MD5 809b1d7d62c6f7008b6ee36a4813cbcb
SHA1 23e3f4f15e55e147f584accd32263bfafed042f7
SHA256 bb92b3e624e7ab6f198ab61efe26490e2572b25de60ecfd8c400633d09877956
SHA512 6f22907cc7b36dda2e26b3b4331fafa1b1065445e6b21d4fdbda4388199c59d118ba0fe205dd73a2e973d9d1619663a93f1e1e2559e46d5777df6659e99f9e73

memory/2216-10-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2216-12-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2316-11-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2216-13-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2216-15-0x00000000747D0000-0x0000000074D7B000-memory.dmp

memory/2216-16-0x00000000747D0000-0x0000000074D7B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 11:38

Reported

2024-05-29 11:40

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_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-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09ee54365a3476474a4dd7eb84bad89f.exe C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\09ee54365a3476474a4dd7eb84bad89f.exe C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\09ee54365a3476474a4dd7eb84bad89f = "\"C:\\Users\\Admin\\AppData\\Roaming\\PW3DCoin.exe\" .." C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\09ee54365a3476474a4dd7eb84bad89f = "\"C:\\Users\\Admin\\AppData\\Roaming\\PW3DCoin.exe\" .." C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Roaming\PW3DCoin.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\809b1d7d62c6f7008b6ee36a4813cbcb_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\PW3DCoin.exe

"C:\Users\Admin\AppData\Roaming\PW3DCoin.exe"

C:\Windows\SysWOW64\netsh.exe

netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\PW3DCoin.exe" "PW3DCoin.exe" ENABLE

Network

Country Destination Domain Proto
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 5.181.190.20.in-addr.arpa udp
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 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
FR 178.33.34.238:80 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
US 8.8.8.8:53 142.144.22.2.in-addr.arpa udp
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
FR 178.33.34.238:80 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa 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
FR 178.33.34.238:80 tcp
FR 178.33.34.238:80 tcp

Files

memory/2724-0-0x0000000074C82000-0x0000000074C83000-memory.dmp

memory/2724-1-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/2724-2-0x0000000074C80000-0x0000000075231000-memory.dmp

C:\Users\Admin\AppData\Roaming\PW3DCoin.exe

MD5 809b1d7d62c6f7008b6ee36a4813cbcb
SHA1 23e3f4f15e55e147f584accd32263bfafed042f7
SHA256 bb92b3e624e7ab6f198ab61efe26490e2572b25de60ecfd8c400633d09877956
SHA512 6f22907cc7b36dda2e26b3b4331fafa1b1065445e6b21d4fdbda4388199c59d118ba0fe205dd73a2e973d9d1619663a93f1e1e2559e46d5777df6659e99f9e73

memory/2180-13-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/2724-12-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/2180-14-0x0000000074C80000-0x0000000075231000-memory.dmp

memory/2180-16-0x0000000074C80000-0x0000000075231000-memory.dmp