njrat | 899fe26243b6efab008d442b471a000977f75113589d11cd33c793573c76cf79

Analysis

max time kernel
148s
max time network
151s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
03/12/2024, 07:55

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General

Target

Payload.exe
Size

55KB
MD5

9543a1b2a52c40fa3a2fc33f9b7251de
SHA1

6fde8e48fb74f1860f470f6e0ed1297c5181618e
SHA256

899fe26243b6efab008d442b471a000977f75113589d11cd33c793573c76cf79
SHA512

3f6a08ac664288e192df7deac35a9e27df2e7f96217f53384cc9f1c60af818e478dfe4ef12ea7bee0689bb66f9f74a2dc3989c0365b87fc92eb2046425a05a56
SSDEEP

1536:gjYADn8fLN2/SbxRDD3wsNMD7XExI3pmEm:lADnccqbTDD3wsNMD7XExI3pm

Score

10^/10

njrat discovery evasion execution trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Stops running service(s) 4 TTPs
evasion execution

Windows Service
T1543.003

Impair Defenses
T1562

Service Stop
T1489

Service Execution
T1569.002

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	Payload.exe

Executes dropped EXE 1 IoCs

pid	Process
5956	2dd64fa213624edea2f145d2f2ff6d36.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
5192	powershell.exe

Launches sc.exe 3 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
2724	sc.exe
1088	sc.exe
5720	sc.exe

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

System Information Discovery
T1082

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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5192	powershell.exe
5192	powershell.exe

Suspicious use of AdjustPrivilegeToken 59 IoCs

description	pid	Process
Token: SeDebugPrivilege	5192	powershell.exe
Token: SeIncreaseQuotaPrivilege	5192	powershell.exe
Token: SeSecurityPrivilege	5192	powershell.exe
Token: SeTakeOwnershipPrivilege	5192	powershell.exe
Token: SeLoadDriverPrivilege	5192	powershell.exe
Token: SeSystemProfilePrivilege	5192	powershell.exe
Token: SeSystemtimePrivilege	5192	powershell.exe
Token: SeProfSingleProcessPrivilege	5192	powershell.exe
Token: SeIncBasePriorityPrivilege	5192	powershell.exe
Token: SeCreatePagefilePrivilege	5192	powershell.exe
Token: SeBackupPrivilege	5192	powershell.exe
Token: SeRestorePrivilege	5192	powershell.exe
Token: SeShutdownPrivilege	5192	powershell.exe
Token: SeDebugPrivilege	5192	powershell.exe
Token: SeSystemEnvironmentPrivilege	5192	powershell.exe
Token: SeRemoteShutdownPrivilege	5192	powershell.exe
Token: SeUndockPrivilege	5192	powershell.exe
Token: SeManageVolumePrivilege	5192	powershell.exe
Token: 33	5192	powershell.exe
Token: 34	5192	powershell.exe
Token: 35	5192	powershell.exe
Token: 36	5192	powershell.exe
Token: SeDebugPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	2360	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2360	AUDIODG.EXE
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe
Token: 33	5792	Payload.exe
Token: SeIncBasePriorityPrivilege	5792	Payload.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 5792 wrote to memory of 472	5792	Payload.exe	88
PID 5792 wrote to memory of 472	5792	Payload.exe	88
PID 5792 wrote to memory of 472	5792	Payload.exe	88
PID 472 wrote to memory of 5192	472	cmd.exe	90
PID 472 wrote to memory of 5192	472	cmd.exe	90
PID 472 wrote to memory of 5192	472	cmd.exe	90
PID 5792 wrote to memory of 4872	5792	Payload.exe	94
PID 5792 wrote to memory of 4872	5792	Payload.exe	94
PID 5792 wrote to memory of 4872	5792	Payload.exe	94
PID 4872 wrote to memory of 2724	4872	cmd.exe	96
PID 4872 wrote to memory of 2724	4872	cmd.exe	96
PID 4872 wrote to memory of 2724	4872	cmd.exe	96
PID 5792 wrote to memory of 5460	5792	Payload.exe	97
PID 5792 wrote to memory of 5460	5792	Payload.exe	97
PID 5792 wrote to memory of 5460	5792	Payload.exe	97
PID 5460 wrote to memory of 1088	5460	cmd.exe	99
PID 5460 wrote to memory of 1088	5460	cmd.exe	99
PID 5460 wrote to memory of 1088	5460	cmd.exe	99
PID 5792 wrote to memory of 4424	5792	Payload.exe	100
PID 5792 wrote to memory of 4424	5792	Payload.exe	100
PID 5792 wrote to memory of 4424	5792	Payload.exe	100
PID 4424 wrote to memory of 5720	4424	cmd.exe	102
PID 4424 wrote to memory of 5720	4424	cmd.exe	102
PID 4424 wrote to memory of 5720	4424	cmd.exe	102
PID 5792 wrote to memory of 3460	5792	Payload.exe	104
PID 5792 wrote to memory of 3460	5792	Payload.exe	104
PID 5792 wrote to memory of 3460	5792	Payload.exe	104
PID 5792 wrote to memory of 5956	5792	Payload.exe	106
PID 5792 wrote to memory of 5956	5792	Payload.exe	106

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5792
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:472
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell Set-MpPreference -DisableRealtimeMonitoring $true
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    PID:5192
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc query windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4872
- - C:\Windows\SysWOW64\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2724
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:5460
- - C:\Windows\SysWOW64\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:1088
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4424
- - C:\Windows\SysWOW64\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:5720
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3460
- C:\Users\Admin\AppData\Local\Temp\2dd64fa213624edea2f145d2f2ff6d36.exe
  "C:\Users\Admin\AppData\Local\Temp\2dd64fa213624edea2f145d2f2ff6d36.exe"
  2⤵
  - Executes dropped EXE
  PID:5956

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x3f8 0x404
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2360

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

System Services

T1569

Service Execution

T1569.002

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Impair Defenses

T1562

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

Service Stop

T1489

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Downloads

C:\Users\Admin\AppData\Local\Temp\2dd64fa213624edea2f145d2f2ff6d36.exe

Filesize
345KB

MD5
8efb7339fe13cf8cea9f6445776655c0

SHA1
081afd73c757c83825cf1e8ed4a4eab259d23b97

SHA256
c1badbacd2abe44fe4e8685c8eee7e983bf8b6780cfca03ae31f8fcebc98b1fb

SHA512
2a37e74aeff17b4f435d02a30019a017a4ff4fa29fc898229f6195876f53b38154c063cf052deebcc06785650f875d67eeb0de372a76df3c4e71bd4fc0392956

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_wbbxduti.lh5.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/5192-27-0x000000006EB70000-0x000000006EBBC000-memory.dmp

Filesize
304KB

Download
memory/5192-37-0x00000000078C0000-0x00000000078DE000-memory.dmp

Filesize
120KB

Download
memory/5192-48-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-5-0x0000000002DB0000-0x0000000002DE6000-memory.dmp

Filesize
216KB

Download
memory/5192-45-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-7-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-8-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-9-0x0000000005820000-0x0000000005EEA000-memory.dmp

Filesize
6.8MB

Download
memory/5192-10-0x0000000005F90000-0x0000000005FB2000-memory.dmp

Filesize
136KB

Download
memory/5192-11-0x0000000006070000-0x00000000060D6000-memory.dmp

Filesize
408KB

Download
memory/5192-26-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-44-0x0000000007CE0000-0x0000000007D76000-memory.dmp

Filesize
600KB

Download
memory/5192-22-0x0000000006250000-0x00000000065A7000-memory.dmp

Filesize
3.3MB

Download
memory/5192-23-0x00000000066F0000-0x000000000670E000-memory.dmp

Filesize
120KB

Download
memory/5192-24-0x0000000006740000-0x000000000678C000-memory.dmp

Filesize
304KB

Download
memory/5192-25-0x00000000078E0000-0x0000000007912000-memory.dmp

Filesize
200KB

Download
memory/5192-3-0x000000007232E000-0x000000007232F000-memory.dmp

Filesize
4KB

Download
memory/5192-43-0x0000000007AE0000-0x0000000007AEA000-memory.dmp

Filesize
40KB

Download
memory/5192-12-0x00000000060E0000-0x0000000006146000-memory.dmp

Filesize
408KB

Download
memory/5192-38-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-39-0x0000000072320000-0x0000000072AD1000-memory.dmp

Filesize
7.7MB

Download
memory/5192-40-0x0000000007920000-0x00000000079C3000-memory.dmp

Filesize
652KB

Download
memory/5192-41-0x00000000080D0000-0x000000000874A000-memory.dmp

Filesize
6.5MB

Download
memory/5192-42-0x0000000007A80000-0x0000000007A9A000-memory.dmp

Filesize
104KB

Download
memory/5792-0-0x00000000745A2000-0x00000000745A3000-memory.dmp

Filesize
4KB

Download
memory/5792-2-0x00000000745A0000-0x0000000074B51000-memory.dmp

Filesize
5.7MB

Download
memory/5792-6-0x00000000745A0000-0x0000000074B51000-memory.dmp

Filesize
5.7MB

Download
memory/5792-4-0x00000000745A2000-0x00000000745A3000-memory.dmp

Filesize
4KB

Download
memory/5792-1-0x00000000745A0000-0x0000000074B51000-memory.dmp

Filesize
5.7MB

Download
memory/5956-63-0x000000001BB00000-0x000000001BBA6000-memory.dmp

Filesize
664KB

Download
memory/5956-64-0x000000001C080000-0x000000001C54E000-memory.dmp

Filesize
4.8MB

Download
memory/5956-65-0x000000001C5F0000-0x000000001C68C000-memory.dmp

Filesize
624KB

Download
memory/5956-66-0x0000000001460000-0x0000000001468000-memory.dmp

Filesize
32KB

Download
memory/5956-67-0x000000001C720000-0x000000001C76C000-memory.dmp

Filesize
304KB

Download