Malware Analysis Report

2025-01-22 13:52

Sample ID 240825-y54dlsvbqn
Target b99e6d6efdb9bc4c499777012af3b750N
SHA256 d4ced4ae6bc687c6472748be1967ddd5283b5731c1e1890662050672988c4f46
Tags
hacked njrat discovery 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

d4ced4ae6bc687c6472748be1967ddd5283b5731c1e1890662050672988c4f46

Threat Level: Known bad

The file b99e6d6efdb9bc4c499777012af3b750N was found to be: Known bad.

Malicious Activity Summary

hacked njrat discovery trojan

njRAT/Bladabindi

Njrat family

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-25 20:23

Signatures

Njrat family

njrat

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-25 20:23

Reported

2024-08-25 20:25

Platform

win7-20240729-en

Max time kernel

118s

Max time network

17s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Executes dropped EXE

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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe N/A

Enumerates physical storage devices

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\b99e6d6efdb9bc4c499777012af3b750N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\robloxget.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\robloxget.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe

"C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe"

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

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

Files

memory/2908-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

memory/2908-1-0x00000000000E0000-0x00000000000F2000-memory.dmp

memory/2908-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

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

MD5 b99e6d6efdb9bc4c499777012af3b750
SHA1 933841aa5c2766cd36f1184f6703adcfb4f7f18c
SHA256 d4ced4ae6bc687c6472748be1967ddd5283b5731c1e1890662050672988c4f46
SHA512 affdca92a7d093a1b0b69eaf63dcca128f9c7748c0e49e295ae446f0edea1b5c415f651ddbe2dbeca85324a0e96ce6d84d496646898cac94ab131a7111e52c49

memory/2908-10-0x00000000745F0000-0x0000000074CDE000-memory.dmp

memory/2220-12-0x00000000745F0000-0x0000000074CDE000-memory.dmp

memory/2220-11-0x00000000000F0000-0x0000000000102000-memory.dmp

memory/2220-13-0x00000000745F0000-0x0000000074CDE000-memory.dmp

memory/2220-14-0x00000000745F0000-0x0000000074CDE000-memory.dmp

memory/2220-15-0x00000000745F0000-0x0000000074CDE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-25 20:23

Reported

2024-08-25 20:25

Platform

win10v2004-20240802-en

Max time kernel

116s

Max time network

105s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe"

Signatures

njRAT/Bladabindi

trojan njrat

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe N/A

Executes dropped EXE

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

Enumerates physical storage devices

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\b99e6d6efdb9bc4c499777012af3b750N.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\robloxget.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\robloxget.exe N/A

Suspicious use of AdjustPrivilegeToken

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

Processes

C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe

"C:\Users\Admin\AppData\Local\Temp\b99e6d6efdb9bc4c499777012af3b750N.exe"

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

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 150.171.27.10:443 g.bing.com tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.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
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 172.210.232.199.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
US 8.8.8.8:53 172.214.232.199.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
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
N/A 127.0.0.1:5552 tcp
N/A 127.0.0.1:5552 tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 88.156.103.20.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/1128-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

memory/1128-1-0x00000000000B0000-0x00000000000C2000-memory.dmp

memory/1128-2-0x0000000004A90000-0x0000000004B2C000-memory.dmp

memory/1128-3-0x0000000005430000-0x00000000059D4000-memory.dmp

memory/1128-4-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/1128-5-0x0000000004E80000-0x0000000004F12000-memory.dmp

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

MD5 b99e6d6efdb9bc4c499777012af3b750
SHA1 933841aa5c2766cd36f1184f6703adcfb4f7f18c
SHA256 d4ced4ae6bc687c6472748be1967ddd5283b5731c1e1890662050672988c4f46
SHA512 affdca92a7d093a1b0b69eaf63dcca128f9c7748c0e49e295ae446f0edea1b5c415f651ddbe2dbeca85324a0e96ce6d84d496646898cac94ab131a7111e52c49

memory/1128-15-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/1696-16-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/1696-17-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/1696-18-0x00000000052F0000-0x00000000052FA000-memory.dmp

memory/1696-19-0x00000000749F0000-0x00000000751A0000-memory.dmp

memory/1696-20-0x00000000749F0000-0x00000000751A0000-memory.dmp