Malware Analysis Report

2025-01-22 13:47

Sample ID 240827-xapfjaxckk
Target c5829f5156cdd624d8314d30b5ec92e0_JaffaCakes118
SHA256 26caf8c2bbc759cfb2fc2718a0aa502d5e8a1c5321544d0efe990f3242331707
Tags
njrat hacked 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

26caf8c2bbc759cfb2fc2718a0aa502d5e8a1c5321544d0efe990f3242331707

Threat Level: Known bad

The file c5829f5156cdd624d8314d30b5ec92e0_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

njrat hacked discovery persistence trojan

njRAT/Bladabindi

Drops startup file

Adds Run key to start application

Suspicious use of SetThreadContext

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-27 18:39

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-27 18:39

Reported

2024-08-27 18:41

Platform

win7-20240708-en

Max time kernel

149s

Max time network

121s

Command Line

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

Signatures

njRAT/Bladabindi

trojan njrat

Drops startup file

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2958949473-3205530200-1453100116-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\..exe\" .." C:\Users\Admin\AppData\Local\Temp\..exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\..exe\" .." C:\Users\Admin\AppData\Local\Temp\..exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2288 set thread context of 2816 N/A C:\Users\Admin\AppData\Local\Temp\..exe C:\Users\Admin\AppData\Local\Temp\..exe

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

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

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

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

Network

Country Destination Domain Proto
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp

Files

memory/2288-0-0x0000000074881000-0x0000000074882000-memory.dmp

memory/2288-1-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2288-2-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2288-3-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2816-4-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2816-8-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2816-6-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2288-9-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2816-11-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2816-10-0x0000000074880000-0x0000000074E2B000-memory.dmp

memory/2816-13-0x0000000074880000-0x0000000074E2B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-27 18:39

Reported

2024-08-27 18:41

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

137s

Command Line

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-2170637797-568393320-3232933035-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\..exe\" .." C:\Users\Admin\AppData\Local\Temp\..exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\..exe\" .." C:\Users\Admin\AppData\Local\Temp\..exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2548 set thread context of 1056 N/A C:\Users\Admin\AppData\Local\Temp\..exe C:\Users\Admin\AppData\Local\Temp\..exe

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

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

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

Processes

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

"C:\Users\Admin\AppData\Local\Temp\..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 --field-trial-handle=1284,i,7447299413640964517,4240724842020506306,262144 --variations-seed-version --mojo-platform-channel-handle=3824 /prefetch:8

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

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

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 20.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 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 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp
N/A 127.0.0.1:7777 tcp

Files

memory/2548-0-0x0000000075362000-0x0000000075363000-memory.dmp

memory/2548-1-0x0000000075360000-0x0000000075911000-memory.dmp

memory/2548-2-0x0000000075360000-0x0000000075911000-memory.dmp

memory/2548-3-0x0000000075362000-0x0000000075363000-memory.dmp

memory/2548-4-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-5-0x0000000000400000-0x0000000000412000-memory.dmp

memory/2548-8-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-10-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-9-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-7-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-13-0x0000000075360000-0x0000000075911000-memory.dmp

memory/1056-12-0x0000000075360000-0x0000000075911000-memory.dmp