Malware Analysis Report

2025-03-15 06:27

Sample ID 240117-whcw2abhfn
Target 633c2616fcd3a0b3774556615072b801
SHA256 5181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048
Tags
njrat hacked 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

5181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048

Threat Level: Known bad

The file 633c2616fcd3a0b3774556615072b801 was found to be: Known bad.

Malicious Activity Summary

njrat hacked evasion persistence trojan

njRAT/Bladabindi

Modifies Windows Firewall

Executes dropped EXE

Loads dropped DLL

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

2024-01-17 17:54

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-17 17:54

Reported

2024-01-17 17:57

Platform

win7-20231215-en

Max time kernel

150s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3601492379-692465709-652514833-1000\Software\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .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\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1248 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe
PID 1248 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe
PID 1248 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe
PID 1248 wrote to memory of 2748 N/A C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe C:\Users\Admin\AppData\Local\Temp\Windows.exe
PID 2748 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
PID 2748 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
PID 2748 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
PID 2748 wrote to memory of 2552 N/A C:\Users\Admin\AppData\Local\Temp\Windows.exe C:\Users\Admin\AppData\Local\Temp\Microsoft .exe
PID 2552 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe C:\Windows\SysWOW64\netsh.exe
PID 2552 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe C:\Windows\SysWOW64\netsh.exe
PID 2552 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe C:\Windows\SysWOW64\netsh.exe
PID 2552 wrote to memory of 2884 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe C:\Windows\SysWOW64\netsh.exe

Processes

C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe

"C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe"

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

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

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 fadlfreh.hopto.org udp

Files

memory/1248-0-0x0000000000080000-0x00000000000BA000-memory.dmp

memory/1248-1-0x0000000074A40000-0x000000007512E000-memory.dmp

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

MD5 633c2616fcd3a0b3774556615072b801
SHA1 84132978d3952c72dc3a86d95ddd788f537e78f7
SHA256 5181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048
SHA512 a90baf7f86855672827d383326c37773e81a3954b5761fed03845e5c4ded20baa5779fbd357bde2a231eddf45042966691021540ae6400433efd7ae537d994df

memory/1248-10-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2748-11-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2748-9-0x00000000012C0000-0x00000000012FA000-memory.dmp

memory/2748-12-0x00000000005B0000-0x00000000005F0000-memory.dmp

memory/2748-13-0x0000000000460000-0x000000000046C000-memory.dmp

memory/2748-14-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2748-23-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2552-24-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2552-22-0x0000000000D40000-0x0000000000D7A000-memory.dmp

memory/2552-25-0x0000000004B80000-0x0000000004BC0000-memory.dmp

memory/2552-26-0x0000000074A40000-0x000000007512E000-memory.dmp

memory/2552-27-0x0000000004B80000-0x0000000004BC0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-17 17:54

Reported

2024-01-17 17:57

Platform

win10v2004-20231215-en

Max time kernel

150s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.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-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Windows.exe N/A

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\2e36917ee12f744b21767673c17c8221 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Microsoft .exe\" .." C:\Users\Admin\AppData\Local\Temp\Microsoft .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\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Microsoft .exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe

"C:\Users\Admin\AppData\Local\Temp\633c2616fcd3a0b3774556615072b801.exe"

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

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

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

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

C:\Windows\SysWOW64\netsh.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 5.179.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 147.160.77.104.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp
US 8.8.8.8:53 fadlfreh.hopto.org udp

Files

memory/1796-0-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/1796-1-0x0000000000490000-0x00000000004CA000-memory.dmp

memory/1796-2-0x0000000004ED0000-0x0000000004F6C000-memory.dmp

memory/1796-3-0x0000000005520000-0x0000000005AC4000-memory.dmp

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

MD5 633c2616fcd3a0b3774556615072b801
SHA1 84132978d3952c72dc3a86d95ddd788f537e78f7
SHA256 5181ab8ffd12b09e974dafdb618d572a60f5a95a09c26b5531cafd64595a4048
SHA512 a90baf7f86855672827d383326c37773e81a3954b5761fed03845e5c4ded20baa5779fbd357bde2a231eddf45042966691021540ae6400433efd7ae537d994df

memory/1796-12-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3104-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/1796-18-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3104-19-0x0000000005120000-0x0000000005130000-memory.dmp

memory/3104-20-0x00000000028E0000-0x00000000028EC000-memory.dmp

memory/3104-21-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3104-34-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3528-35-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3528-36-0x0000000005770000-0x0000000005780000-memory.dmp

memory/3528-37-0x0000000074B40000-0x00000000752F0000-memory.dmp

memory/3528-38-0x00000000059A0000-0x0000000005A32000-memory.dmp

memory/3528-39-0x0000000005C90000-0x0000000005C9A000-memory.dmp

memory/3528-40-0x0000000005770000-0x0000000005780000-memory.dmp