Malware Analysis Report

2024-10-19 08:06

Sample ID 240529-zy23msaf67
Target 81edcd946e3156ee49f7c24b7100b110_JaffaCakes118
SHA256 53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852
Tags
njrat genram moto 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

53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852

Threat Level: Known bad

The file 81edcd946e3156ee49f7c24b7100b110_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat genram moto evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Drops startup file

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-29 21:08

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-29 21:08

Reported

2024-05-29 21:10

Platform

win7-20240508-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_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 opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1e444094e4e1836ba8400b3d476c9ef.exe C:\Users\Admin\AppData\Roaming\awsare.exe N/A
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1e444094e4e1836ba8400b3d476c9ef.exe C:\Users\Admin\AppData\Roaming\awsare.exe N/A

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\c1e444094e4e1836ba8400b3d476c9ef = "\"C:\\Users\\Admin\\AppData\\Roaming\\awsare.exe\" .." C:\Users\Admin\AppData\Roaming\awsare.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c1e444094e4e1836ba8400b3d476c9ef = "\"C:\\Users\\Admin\\AppData\\Roaming\\awsare.exe\" .." C:\Users\Admin\AppData\Roaming\awsare.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe"

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 milla.publicvm.com udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/2580-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

memory/2580-1-0x0000000000FC0000-0x0000000001370000-memory.dmp

memory/2580-2-0x0000000074DF0000-0x00000000754DE000-memory.dmp

memory/2580-3-0x0000000000310000-0x000000000031C000-memory.dmp

\Users\Admin\AppData\Roaming\awsare.exe

MD5 81edcd946e3156ee49f7c24b7100b110
SHA1 438562088c52dcf14ccb9a81fb76e5b42b9f87f0
SHA256 53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852
SHA512 8d8959a98fd40c58677edcebcf42ad3fb9ab36411e84526e34a30d90ddab938e7d2d22aa5295c86bf794798c1892bac6d1e6b442126fa7eca1cdd899b5a9ca83

memory/2020-11-0x0000000074DF0000-0x00000000754DE000-memory.dmp

memory/2020-12-0x0000000000040000-0x00000000003F0000-memory.dmp

memory/2580-14-0x0000000074DF0000-0x00000000754DE000-memory.dmp

memory/2020-13-0x0000000074DF0000-0x00000000754DE000-memory.dmp

memory/2020-16-0x0000000074DF0000-0x00000000754DE000-memory.dmp

memory/2020-17-0x0000000074DF0000-0x00000000754DE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-29 21:08

Reported

2024-05-29 21:11

Platform

win10v2004-20240508-en

Max time kernel

149s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_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\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe N/A

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1e444094e4e1836ba8400b3d476c9ef.exe C:\Users\Admin\AppData\Roaming\awsare.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c1e444094e4e1836ba8400b3d476c9ef.exe C:\Users\Admin\AppData\Roaming\awsare.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\awsare.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\c1e444094e4e1836ba8400b3d476c9ef = "\"C:\\Users\\Admin\\AppData\\Roaming\\awsare.exe\" .." C:\Users\Admin\AppData\Roaming\awsare.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c1e444094e4e1836ba8400b3d476c9ef = "\"C:\\Users\\Admin\\AppData\\Roaming\\awsare.exe\" .." C:\Users\Admin\AppData\Roaming\awsare.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\81edcd946e3156ee49f7c24b7100b110_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=3988,i,18168883380598738769,14202261231630113808,262144 --variations-seed-version --mojo-platform-channel-handle=4300 /prefetch:8

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.75:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 75.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 milla.publicvm.com udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
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
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp
N/A 127.0.0.1:1177 tcp

Files

memory/2020-0-0x000000007500E000-0x000000007500F000-memory.dmp

memory/2020-1-0x0000000000C90000-0x0000000001040000-memory.dmp

memory/2020-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

memory/2020-3-0x0000000005A30000-0x0000000005AC2000-memory.dmp

memory/2020-4-0x0000000005AD0000-0x0000000005B6C000-memory.dmp

memory/2020-5-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/2020-6-0x0000000005CE0000-0x0000000005CEA000-memory.dmp

memory/2020-7-0x0000000005CF0000-0x0000000005CFC000-memory.dmp

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

MD5 81edcd946e3156ee49f7c24b7100b110
SHA1 438562088c52dcf14ccb9a81fb76e5b42b9f87f0
SHA256 53e6818c438ceb53a4213a0cd961359043fff77bc2bb0674992e54c83705c852
SHA512 8d8959a98fd40c58677edcebcf42ad3fb9ab36411e84526e34a30d90ddab938e7d2d22aa5295c86bf794798c1892bac6d1e6b442126fa7eca1cdd899b5a9ca83

memory/2020-21-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/4796-20-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/4796-22-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/4796-24-0x0000000075000000-0x00000000757B0000-memory.dmp

memory/4796-25-0x0000000075000000-0x00000000757B0000-memory.dmp