njrat | a3cadd3c7b8eef38c0b512960c50a15957b6d443a4bda2023f975ad3a39db30e

Analysis

max time kernel
148s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 21:32

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General

Target

Payload.exe
Size

55KB
MD5

e78b361c762a3593d0a8793ea238bab9
SHA1

d805c5466d79292a0654898d20efa755036efa20
SHA256

a3cadd3c7b8eef38c0b512960c50a15957b6d443a4bda2023f975ad3a39db30e
SHA512

e263f560c8855967ca537b0d1b972106cce95459cfcf5c47eec9ac049c4a1f4d0568e25a8d22a6514b52bb3f84503db3bd41f42d90ae6de045b11393fccc76d8
SSDEEP

1536:O68oDnb4DNA7SQJHDrwsNMD+XExI3pmom:SoDnEmO2HDrwsNMD+XExI3pm

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
4792	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
4460	sc.exe
4180	sc.exe
3564	sc.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	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.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

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4792	powershell.exe
4792	powershell.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	4792	powershell.exe
Token: SeDebugPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe
Token: 33	524	Payload.exe
Token: SeIncBasePriorityPrivilege	524	Payload.exe

Suspicious use of WriteProcessMemory 27 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 5084	524	Payload.exe	86
PID 524 wrote to memory of 5084	524	Payload.exe	86
PID 524 wrote to memory of 5084	524	Payload.exe	86
PID 524 wrote to memory of 4372	524	Payload.exe	88
PID 524 wrote to memory of 4372	524	Payload.exe	88
PID 524 wrote to memory of 4372	524	Payload.exe	88
PID 4372 wrote to memory of 4792	4372	cmd.exe	90
PID 4372 wrote to memory of 4792	4372	cmd.exe	90
PID 4372 wrote to memory of 4792	4372	cmd.exe	90
PID 524 wrote to memory of 3964	524	Payload.exe	97
PID 524 wrote to memory of 3964	524	Payload.exe	97
PID 524 wrote to memory of 3964	524	Payload.exe	97
PID 3964 wrote to memory of 3564	3964	cmd.exe	99
PID 3964 wrote to memory of 3564	3964	cmd.exe	99
PID 3964 wrote to memory of 3564	3964	cmd.exe	99
PID 524 wrote to memory of 3844	524	Payload.exe	100
PID 524 wrote to memory of 3844	524	Payload.exe	100
PID 524 wrote to memory of 3844	524	Payload.exe	100
PID 3844 wrote to memory of 4460	3844	cmd.exe	102
PID 3844 wrote to memory of 4460	3844	cmd.exe	102
PID 3844 wrote to memory of 4460	3844	cmd.exe	102
PID 524 wrote to memory of 384	524	Payload.exe	103
PID 524 wrote to memory of 384	524	Payload.exe	103
PID 524 wrote to memory of 384	524	Payload.exe	103
PID 384 wrote to memory of 4180	384	cmd.exe	105
PID 384 wrote to memory of 4180	384	cmd.exe	105
PID 384 wrote to memory of 4180	384	cmd.exe	105

Views/modifies file attributes 1 TTPs 1 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
5084	attrib.exe

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524
- C:\Windows\SysWOW64\attrib.exe
  attrib +h "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:5084
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4372
- - 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:4792
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc query windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3964
- - C:\Windows\SysWOW64\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:3564
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3844
- - C:\Windows\SysWOW64\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4460
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:384
- - C:\Windows\SysWOW64\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4180

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ov1cdces.ksk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/524-6-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/524-1-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/524-2-0x00000000745C0000-0x0000000074B71000-memory.dmp

Filesize
5.7MB

Download
memory/524-0-0x00000000745C2000-0x00000000745C3000-memory.dmp

Filesize
4KB

Download
memory/524-4-0x00000000745C2000-0x00000000745C3000-memory.dmp

Filesize
4KB

Download
memory/4792-24-0x0000000006700000-0x000000000674C000-memory.dmp

Filesize
304KB

Download
memory/4792-26-0x000000006E7E0000-0x000000006E82C000-memory.dmp

Filesize
304KB

Download
memory/4792-9-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-8-0x0000000005950000-0x0000000005F78000-memory.dmp

Filesize
6.2MB

Download
memory/4792-10-0x0000000005810000-0x0000000005832000-memory.dmp

Filesize
136KB

Download
memory/4792-12-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/4792-11-0x00000000058B0000-0x0000000005916000-memory.dmp

Filesize
408KB

Download
memory/4792-5-0x0000000002DA0000-0x0000000002DD6000-memory.dmp

Filesize
216KB

Download
memory/4792-22-0x0000000006310000-0x0000000006664000-memory.dmp

Filesize
3.3MB

Download
memory/4792-23-0x00000000066D0000-0x00000000066EE000-memory.dmp

Filesize
120KB

Download
memory/4792-3-0x000000007236E000-0x000000007236F000-memory.dmp

Filesize
4KB

Download
memory/4792-36-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-37-0x0000000006CD0000-0x0000000006CEE000-memory.dmp

Filesize
120KB

Download
memory/4792-7-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-25-0x0000000006C90000-0x0000000006CC2000-memory.dmp

Filesize
200KB

Download
memory/4792-38-0x0000000007720000-0x00000000077C3000-memory.dmp

Filesize
652KB

Download
memory/4792-39-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-40-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download
memory/4792-42-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

Download
memory/4792-41-0x0000000008050000-0x00000000086CA000-memory.dmp

Filesize
6.5MB

Download
memory/4792-43-0x0000000007A70000-0x0000000007A7A000-memory.dmp

Filesize
40KB

Download
memory/4792-44-0x0000000007C80000-0x0000000007D16000-memory.dmp

Filesize
600KB

Download
memory/4792-45-0x0000000007C00000-0x0000000007C11000-memory.dmp

Filesize
68KB

Download
memory/4792-46-0x0000000007C30000-0x0000000007C3E000-memory.dmp

Filesize
56KB

Download
memory/4792-47-0x0000000007C40000-0x0000000007C54000-memory.dmp

Filesize
80KB

Download
memory/4792-48-0x0000000007D40000-0x0000000007D5A000-memory.dmp

Filesize
104KB

Download
memory/4792-49-0x0000000007D20000-0x0000000007D28000-memory.dmp

Filesize
32KB

Download
memory/4792-52-0x0000000072360000-0x0000000072B10000-memory.dmp

Filesize
7.7MB

Download