njrat | b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06/02/2025, 04:06

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General

Target

b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
Size

1.4MB
MD5

fab832128cfee7b34fb7600408e27dc3
SHA1

b22e992d765113ee427a254f98d68cf28f37ead4
SHA256

b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff
SHA512

74ddc16c9016bfdc0c3f824941b667f630a22a62e4ab0ab1454f519d90150b2cba9c1d9c36c99e3a9692018322859b1ec8d8749d9c6cbbd792bc0faceb52ff8f
SSDEEP

24576:Gu6J33O0c+JY5UZ+XC0kGso6FabA1M+OO5SJ46cQMpdhEWYX:Iu0c++OCvkGs9FabA1rOOsi6cQ8YX

Score

10^/10

njrat nddy defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

NDDY

88.208.246.143:5201

Mutex

baeb5144863fb199998c3361c106958f

Attributes

reg_key
baeb5144863fb199998c3361c106958f
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
3840	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	notepad.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	notepad.exe

Executes dropped EXE 2 IoCs

pid	Process
2828	notepad.exe
1804	notepad.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/files/0x000a000000023b97-16.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 4792 set thread context of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 2828 set thread context of 1784	2828	notepad.exe	97
PID 1804 set thread context of 1204	1804	notepad.exe	101

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

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

System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3184	schtasks.exe
3912	schtasks.exe
3316	schtasks.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
2828	notepad.exe
2828	notepad.exe
2828	notepad.exe
2828	notepad.exe
1804	notepad.exe
1804	notepad.exe
1804	notepad.exe
1804	notepad.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe
Token: 33	1472	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1472	RegSvcs.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 4792 wrote to memory of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 4792 wrote to memory of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 4792 wrote to memory of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 4792 wrote to memory of 1472	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	82
PID 1472 wrote to memory of 3840	1472	RegSvcs.exe	83
PID 1472 wrote to memory of 3840	1472	RegSvcs.exe	83
PID 1472 wrote to memory of 3840	1472	RegSvcs.exe	83
PID 4792 wrote to memory of 3316	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	92
PID 4792 wrote to memory of 3316	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	92
PID 4792 wrote to memory of 3316	4792	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	92
PID 2828 wrote to memory of 1784	2828	notepad.exe	97
PID 2828 wrote to memory of 1784	2828	notepad.exe	97
PID 2828 wrote to memory of 1784	2828	notepad.exe	97
PID 2828 wrote to memory of 1784	2828	notepad.exe	97
PID 2828 wrote to memory of 1784	2828	notepad.exe	97
PID 2828 wrote to memory of 3184	2828	notepad.exe	98
PID 2828 wrote to memory of 3184	2828	notepad.exe	98
PID 2828 wrote to memory of 3184	2828	notepad.exe	98
PID 1804 wrote to memory of 1204	1804	notepad.exe	101
PID 1804 wrote to memory of 1204	1804	notepad.exe	101
PID 1804 wrote to memory of 1204	1804	notepad.exe	101
PID 1804 wrote to memory of 1204	1804	notepad.exe	101
PID 1804 wrote to memory of 1204	1804	notepad.exe	101
PID 1804 wrote to memory of 3912	1804	notepad.exe	102
PID 1804 wrote to memory of 3912	1804	notepad.exe	102
PID 1804 wrote to memory of 3912	1804	notepad.exe	102

C:\Users\Admin\AppData\Local\Temp\b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
"C:\Users\Admin\AppData\Local\Temp\b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" "RegSvcs.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3840
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn curl /tr "C:\Users\Admin\AppXDeploymentServer\notepad.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3316

C:\Users\Admin\AppXDeploymentServer\notepad.exe
C:\Users\Admin\AppXDeploymentServer\notepad.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1784
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn curl /tr "C:\Users\Admin\AppXDeploymentServer\notepad.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3184

C:\Users\Admin\AppXDeploymentServer\notepad.exe
C:\Users\Admin\AppXDeploymentServer\notepad.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1804
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1204
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\SysWOW64\schtasks.exe" /create /tn curl /tr "C:\Users\Admin\AppXDeploymentServer\notepad.exe" /sc minute /mo 1 /F
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:3912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RegSvcs.exe.log

Filesize
418B

MD5
89c8a5340eb284f551067d44e27ae8dd

SHA1
d2431ae25a1ab67762a5125574f046f4c951d297

SHA256
73ca1f27b1c153e3405856ebe8b3c6cdd23424d2ab09c0fe1eb0e2075513057b

SHA512
b101ac2e008bd3cc6f97fedb97b8253fb07fed1c334629ecbebe0f4942ccc1070491cddc4daea521164543b6f97ba9b99d2be1c50cc5a013f04e697fea9dbdac

Download Submit
C:\Users\Admin\AppXDeploymentServer\notepad.exe

Filesize
1.4MB

MD5
f896c178af0bbcf694e73df31bff0ec1

SHA1
4e2dde0365331ddd4434a3a0e9a1416f0529f6c8

SHA256
7254afdf550c0378369d306e6716a80f252eb769113ff4906eac954d8eaacaa6

SHA512
81dc8b7dafe476483f655ee98346e293f894bc330ab237e850b80809f4e8d474020ed06cdefbf2be49db885bb5964057e890bd948b300e954cdbbc75c5b61cd7

Download Submit
memory/1472-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1472-6-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1472-7-0x0000000005340000-0x00000000053DC000-memory.dmp

Filesize
624KB

Download
memory/1472-8-0x0000000005990000-0x0000000005F34000-memory.dmp

Filesize
5.6MB

Download
memory/1472-9-0x0000000005550000-0x00000000055E2000-memory.dmp

Filesize
584KB

Download
memory/1472-10-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/1472-11-0x0000000005510000-0x000000000551A000-memory.dmp

Filesize
40KB

Download
memory/1472-12-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/1472-15-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/4792-0-0x0000000000D20000-0x0000000000D21000-memory.dmp

Filesize
4KB

Download