njrat | 1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123

Analysis

max time kernel
149s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 18:54

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General

Target

1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe
Size

23KB
MD5

7bb78cc20bfe85ed1d48d92440ed3860
SHA1

b82a13b4d2ea6de6a0c152f2c16ca33e11383c91
SHA256

1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123
SHA512

a4f6c84a8b5b0c3a21863f9584b43d1ced6275e6097626efbfeb09b88ef6c4a98238cba9190258728add6a543ce02f4de2604b37aec0a2c3e14f6bbd87cbde6d
SSDEEP

384:N8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZbZ:uXcwt3tRpcnue

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

220 netsh.exe

pid	process
220	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation	1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

3100 server.exe

pid	process
3100	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\bc4633c7cad50e9fd5e79a99a4157416 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bc4633c7cad50e9fd5e79a99a4157416 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

Processes:

netsh.exe

description	ioc	process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe
Token: 33	3100	server.exe
Token: SeIncBasePriorityPrivilege	3100	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exeserver.exe

description	pid	process	target process
PID 2584 wrote to memory of 3100	2584	1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe	server.exe
PID 2584 wrote to memory of 3100	2584	1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe	server.exe
PID 2584 wrote to memory of 3100	2584	1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe	server.exe
PID 3100 wrote to memory of 220	3100	server.exe	netsh.exe
PID 3100 wrote to memory of 220	3100	server.exe	netsh.exe
PID 3100 wrote to memory of 220	3100	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2584

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3100

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
PID:220

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
7bb78cc20bfe85ed1d48d92440ed3860

SHA1
b82a13b4d2ea6de6a0c152f2c16ca33e11383c91

SHA256
1277b10f80a1e61fe1f20bb24adc43e69f621ce73cf4e88ec8419f32dd261123

SHA512
a4f6c84a8b5b0c3a21863f9584b43d1ced6275e6097626efbfeb09b88ef6c4a98238cba9190258728add6a543ce02f4de2604b37aec0a2c3e14f6bbd87cbde6d

Download Submit
memory/2584-0-0x0000000074C02000-0x0000000074C03000-memory.dmp

Filesize
4KB

Download
memory/2584-1-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-2-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/2584-12-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3100-13-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3100-14-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download
memory/3100-15-0x0000000074C00000-0x00000000751B1000-memory.dmp

Filesize
5.7MB

Download