njrat | b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff

Analysis

max time kernel
149s
max time network
148s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-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
2388	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1840	notepad.exe
1968	notepad.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral1/files/0x0008000000015cc0-16.dat	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 1588 set thread context of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1840 set thread context of 2208	1840	notepad.exe	38
PID 1968 set thread context of 484	1968	notepad.exe	42

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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	schtasks.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	notepad.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	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.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
1188	schtasks.exe
2752	schtasks.exe
2332	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
1840	notepad.exe
1840	notepad.exe
1968	notepad.exe
1968	notepad.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe
Token: 33	1284	RegSvcs.exe
Token: SeIncBasePriorityPrivilege	1284	RegSvcs.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1588 wrote to memory of 1284	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	30
PID 1284 wrote to memory of 2388	1284	RegSvcs.exe	31
PID 1284 wrote to memory of 2388	1284	RegSvcs.exe	31
PID 1284 wrote to memory of 2388	1284	RegSvcs.exe	31
PID 1284 wrote to memory of 2388	1284	RegSvcs.exe	31
PID 1588 wrote to memory of 2752	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	33
PID 1588 wrote to memory of 2752	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	33
PID 1588 wrote to memory of 2752	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	33
PID 1588 wrote to memory of 2752	1588	b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe	33
PID 1684 wrote to memory of 1840	1684	taskeng.exe	37
PID 1684 wrote to memory of 1840	1684	taskeng.exe	37
PID 1684 wrote to memory of 1840	1684	taskeng.exe	37
PID 1684 wrote to memory of 1840	1684	taskeng.exe	37
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2208	1840	notepad.exe	38
PID 1840 wrote to memory of 2332	1840	notepad.exe	39
PID 1840 wrote to memory of 2332	1840	notepad.exe	39
PID 1840 wrote to memory of 2332	1840	notepad.exe	39
PID 1840 wrote to memory of 2332	1840	notepad.exe	39
PID 1684 wrote to memory of 1968	1684	taskeng.exe	41
PID 1684 wrote to memory of 1968	1684	taskeng.exe	41
PID 1684 wrote to memory of 1968	1684	taskeng.exe	41
PID 1684 wrote to memory of 1968	1684	taskeng.exe	41
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 484	1968	notepad.exe	42
PID 1968 wrote to memory of 1188	1968	notepad.exe	43
PID 1968 wrote to memory of 1188	1968	notepad.exe	43
PID 1968 wrote to memory of 1188	1968	notepad.exe	43
PID 1968 wrote to memory of 1188	1968	notepad.exe	43

C:\Users\Admin\AppData\Local\Temp\b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe
"C:\Users\Admin\AppData\Local\Temp\b7733baa9e4276e1d83c5c4633f578d89923ece929d79ee0e834a22252cec3ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1588
- 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:1284
- - 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:2388
- 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:2752

C:\Windows\system32\taskeng.exe
taskeng.exe {191C26A0-8E82-4C1B-A0B6-86FB2CC5B616} S-1-5-21-3533259084-2542256011-65585152-1000:XPAJOTIY\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1684
- C:\Users\Admin\AppXDeploymentServer\notepad.exe
  C:\Users\Admin\AppXDeploymentServer\notepad.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1840
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2208
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2332
- C:\Users\Admin\AppXDeploymentServer\notepad.exe
  C:\Users\Admin\AppXDeploymentServer\notepad.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1968
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:484
- - 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
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:1188

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

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\AppXDeploymentServer\notepad.exe

Filesize
1.4MB

MD5
f896c178af0bbcf694e73df31bff0ec1

SHA1
4e2dde0365331ddd4434a3a0e9a1416f0529f6c8

SHA256
7254afdf550c0378369d306e6716a80f252eb769113ff4906eac954d8eaacaa6

SHA512
81dc8b7dafe476483f655ee98346e293f894bc330ab237e850b80809f4e8d474020ed06cdefbf2be49db885bb5964057e890bd948b300e954cdbbc75c5b61cd7

Download Submit
memory/1284-1-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1284-9-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1284-8-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1284-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1284-2-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1284-10-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1284-11-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1284-12-0x00000000748CE000-0x00000000748CF000-memory.dmp

Filesize
4KB

Download
memory/1284-15-0x00000000748C0000-0x0000000074FAE000-memory.dmp

Filesize
6.9MB

Download
memory/1588-0-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download