njrat | c16c299ce7b493462cd973c199d2fec2544800711ba0b42cf47f84374d6e71d7

Analysis

max time kernel
173s
max time network
173s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-12-2024 16:11

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General

Target

celex.exe
Size

55KB
MD5

12b85b6e730f6f4a92e2b10056269197
SHA1

f642ac330be5fe04bc21cd4a98e77e9d017f97c6
SHA256

c16c299ce7b493462cd973c199d2fec2544800711ba0b42cf47f84374d6e71d7
SHA512

ab7bac1c0603ece5339baccd8566a2151ec488e820f6f0a119a9882a92f27f9a6844d6273ad27026b869363a9366531d0f4e7677461538cd350e1111e15c5081
SSDEEP

1536:sjYADn8fLN2/SbxRDD3wsNMD7XExI3pmSm:RADnccqbTDD3wsNMD7XExI3pm

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

Deletes itself 1 IoCs

pid	Process
2528	cmd.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2916	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
2728	sc.exe
2860	sc.exe
2964	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 13 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	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	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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	celex.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2528	cmd.exe
676	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
676	PING.EXE

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2916	powershell.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe
2392	celex.exe

Suspicious use of AdjustPrivilegeToken 42 IoCs

description	pid	Process
Token: SeDebugPrivilege	2916	powershell.exe
Token: SeDebugPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe
Token: 33	2392	celex.exe
Token: SeIncBasePriorityPrivilege	2392	celex.exe

Suspicious use of WriteProcessMemory 48 IoCs

description	pid	Process	procid_target
PID 2392 wrote to memory of 876	2392	celex.exe	30
PID 2392 wrote to memory of 876	2392	celex.exe	30
PID 2392 wrote to memory of 876	2392	celex.exe	30
PID 2392 wrote to memory of 876	2392	celex.exe	30
PID 876 wrote to memory of 2916	876	cmd.exe	32
PID 876 wrote to memory of 2916	876	cmd.exe	32
PID 876 wrote to memory of 2916	876	cmd.exe	32
PID 876 wrote to memory of 2916	876	cmd.exe	32
PID 2392 wrote to memory of 2812	2392	celex.exe	33
PID 2392 wrote to memory of 2812	2392	celex.exe	33
PID 2392 wrote to memory of 2812	2392	celex.exe	33
PID 2392 wrote to memory of 2812	2392	celex.exe	33
PID 2812 wrote to memory of 2860	2812	cmd.exe	35
PID 2812 wrote to memory of 2860	2812	cmd.exe	35
PID 2812 wrote to memory of 2860	2812	cmd.exe	35
PID 2812 wrote to memory of 2860	2812	cmd.exe	35
PID 2392 wrote to memory of 2816	2392	celex.exe	36
PID 2392 wrote to memory of 2816	2392	celex.exe	36
PID 2392 wrote to memory of 2816	2392	celex.exe	36
PID 2392 wrote to memory of 2816	2392	celex.exe	36
PID 2816 wrote to memory of 2964	2816	cmd.exe	38
PID 2816 wrote to memory of 2964	2816	cmd.exe	38
PID 2816 wrote to memory of 2964	2816	cmd.exe	38
PID 2816 wrote to memory of 2964	2816	cmd.exe	38
PID 2392 wrote to memory of 2744	2392	celex.exe	39
PID 2392 wrote to memory of 2744	2392	celex.exe	39
PID 2392 wrote to memory of 2744	2392	celex.exe	39
PID 2392 wrote to memory of 2744	2392	celex.exe	39
PID 2744 wrote to memory of 2728	2744	cmd.exe	41
PID 2744 wrote to memory of 2728	2744	cmd.exe	41
PID 2744 wrote to memory of 2728	2744	cmd.exe	41
PID 2744 wrote to memory of 2728	2744	cmd.exe	41
PID 2392 wrote to memory of 1688	2392	celex.exe	43
PID 2392 wrote to memory of 1688	2392	celex.exe	43
PID 2392 wrote to memory of 1688	2392	celex.exe	43
PID 2392 wrote to memory of 1688	2392	celex.exe	43
PID 2392 wrote to memory of 2420	2392	celex.exe	45
PID 2392 wrote to memory of 2420	2392	celex.exe	45
PID 2392 wrote to memory of 2420	2392	celex.exe	45
PID 2392 wrote to memory of 2420	2392	celex.exe	45
PID 2392 wrote to memory of 2528	2392	celex.exe	47
PID 2392 wrote to memory of 2528	2392	celex.exe	47
PID 2392 wrote to memory of 2528	2392	celex.exe	47
PID 2392 wrote to memory of 2528	2392	celex.exe	47
PID 2528 wrote to memory of 676	2528	cmd.exe	49
PID 2528 wrote to memory of 676	2528	cmd.exe	49
PID 2528 wrote to memory of 676	2528	cmd.exe	49
PID 2528 wrote to memory of 676	2528	cmd.exe	49

C:\Users\Admin\AppData\Local\Temp\celex.exe
"C:\Users\Admin\AppData\Local\Temp\celex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2392
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:876
- - 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:2916
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc query windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2860
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2816
- - C:\Windows\SysWOW64\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2728
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1688
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /delete /tn CleanSweepCheck /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2420
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\celex.exe"
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:2528
- - C:\Windows\SysWOW64\PING.EXE
    ping 0 -n 2
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:676

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

Remote System Discovery

T1018

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

T1489

Replay Monitor

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Downloads

memory/2392-0-0x0000000074061000-0x0000000074062000-memory.dmp

Filesize
4KB

Download
memory/2392-2-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2392-1-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2392-7-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2392-10-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-5-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-6-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-8-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download
memory/2916-9-0x0000000074060000-0x000000007460B000-memory.dmp

Filesize
5.7MB

Download