njrat | c16c299ce7b493462cd973c199d2fec2544800711ba0b42cf47f84374d6e71d7

Analysis

max time kernel
168s
max time network
204s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04/12/2024, 16:11

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General

Target
celex.exe
Size 55KB
Sample241204-tnamrawldk
SHA256 c16c299ce7b493462cd973c199d2fec2544800711ba0b42cf47f84374d6e71d7
MD5 12b85b6e730f6f4a92e2b10056269197
SHA1 f642ac330be5fe04bc21cd4a98e77e9d017f97c6
SHA512 ab7bac1c0603ece5339baccd8566a2151ec488e820f6f0a119a9882a92f27f9a6844d6273ad27026b869363a9366531d0f4e7677461538cd350e1111e15c5081
SSDEEP 1536:sjYADn8fLN2/SbxRDD3wsNMD7XExI3pmSm:RADnccqbTDD3wsNMD7XExI3pm
MD5 SHA1 SHA512 SSDEEP

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
2648	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
4596	sc.exe
2936	sc.exe
4260	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 12 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.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

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
1660	cmd.exe
1548	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1548	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2648	powershell.exe
2648	powershell.exe

Suspicious use of AdjustPrivilegeToken 40 IoCs

description	pid	Process
Token: SeDebugPrivilege	2648	powershell.exe
Token: SeDebugPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe
Token: 33	1888	celex.exe
Token: SeIncBasePriorityPrivilege	1888	celex.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 1888 wrote to memory of 1268	1888	celex.exe	85
PID 1888 wrote to memory of 1268	1888	celex.exe	85
PID 1888 wrote to memory of 1268	1888	celex.exe	85
PID 1268 wrote to memory of 2648	1268	cmd.exe	87
PID 1268 wrote to memory of 2648	1268	cmd.exe	87
PID 1268 wrote to memory of 2648	1268	cmd.exe	87
PID 1888 wrote to memory of 1540	1888	celex.exe	93
PID 1888 wrote to memory of 1540	1888	celex.exe	93
PID 1888 wrote to memory of 1540	1888	celex.exe	93
PID 1540 wrote to memory of 4596	1540	cmd.exe	95
PID 1540 wrote to memory of 4596	1540	cmd.exe	95
PID 1540 wrote to memory of 4596	1540	cmd.exe	95
PID 1888 wrote to memory of 4440	1888	celex.exe	96
PID 1888 wrote to memory of 4440	1888	celex.exe	96
PID 1888 wrote to memory of 4440	1888	celex.exe	96
PID 4440 wrote to memory of 2936	4440	cmd.exe	98
PID 4440 wrote to memory of 2936	4440	cmd.exe	98
PID 4440 wrote to memory of 2936	4440	cmd.exe	98
PID 1888 wrote to memory of 4548	1888	celex.exe	99
PID 1888 wrote to memory of 4548	1888	celex.exe	99
PID 1888 wrote to memory of 4548	1888	celex.exe	99
PID 4548 wrote to memory of 4260	4548	cmd.exe	101
PID 4548 wrote to memory of 4260	4548	cmd.exe	101
PID 4548 wrote to memory of 4260	4548	cmd.exe	101
PID 1888 wrote to memory of 3644	1888	celex.exe	113
PID 1888 wrote to memory of 3644	1888	celex.exe	113
PID 1888 wrote to memory of 3644	1888	celex.exe	113
PID 1888 wrote to memory of 1660	1888	celex.exe	115
PID 1888 wrote to memory of 1660	1888	celex.exe	115
PID 1888 wrote to memory of 1660	1888	celex.exe	115
PID 1660 wrote to memory of 1548	1660	cmd.exe	117
PID 1660 wrote to memory of 1548	1660	cmd.exe	117
PID 1660 wrote to memory of 1548	1660	cmd.exe	117

C:\Users\Admin\AppData\Local\Temp\celex.exe
"C:\Users\Admin\AppData\Local\Temp\celex.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1888
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1268
- - 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:2648
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc query windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4596
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4440
- - C:\Windows\SysWOW64\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2936
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4548
- - C:\Windows\SysWOW64\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4260
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /delete /tn CleanSweepCheck /f
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3644
- C:\Windows\SysWOW64\cmd.exe
  cmd.exe /c ping 0 -n 2 & del "C:\Users\Admin\AppData\Local\Temp\celex.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - System Network Configuration Discovery: Internet Connection Discovery
  - Suspicious use of WriteProcessMemory
  PID:1660
- - 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:1548

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

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Downloads

__PSScriptPolicyTest_mgwuebo3.wv0.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_mgwuebo3.wv0.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

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memory/1888-1-0x00000000749B0000-0x0000000074F61000-memory.dmp

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memory/1888-2-0x00000000749B0000-0x0000000074F61000-memory.dmp

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memory/1888-53-0x00000000749B0000-0x0000000074F61000-memory.dmp

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memory/1888-4-0x00000000749B2000-0x00000000749B3000-memory.dmp

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memory/1888-0-0x00000000749B2000-0x00000000749B3000-memory.dmp

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memory/1888-6-0x00000000749B0000-0x0000000074F61000-memory.dmp

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memory/2648-24-0x0000000007600000-0x0000000007632000-memory.dmp

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memory/2648-37-0x0000000072750000-0x0000000072F00000-memory.dmp

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memory/2648-9-0x0000000005D50000-0x0000000005D72000-memory.dmp

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memory/2648-10-0x0000000005DF0000-0x0000000005E56000-memory.dmp

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memory/2648-11-0x0000000005ED0000-0x0000000005F36000-memory.dmp

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memory/2648-7-0x0000000005720000-0x0000000005D48000-memory.dmp

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memory/2648-21-0x0000000006000000-0x0000000006354000-memory.dmp

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memory/2648-22-0x00000000065F0000-0x000000000660E000-memory.dmp

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memory/2648-23-0x0000000006630000-0x000000000667C000-memory.dmp

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memory/2648-5-0x0000000005020000-0x0000000005056000-memory.dmp

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memory/2648-35-0x0000000072750000-0x0000000072F00000-memory.dmp

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memory/2648-36-0x0000000006BC0000-0x0000000006BDE000-memory.dmp

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memory/2648-25-0x000000006EBD0000-0x000000006EC1C000-memory.dmp

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memory/2648-8-0x0000000072750000-0x0000000072F00000-memory.dmp

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memory/2648-38-0x0000000007640000-0x00000000076E3000-memory.dmp

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memory/2648-39-0x0000000072750000-0x0000000072F00000-memory.dmp

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memory/2648-40-0x0000000007F70000-0x00000000085EA000-memory.dmp

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memory/2648-41-0x0000000007920000-0x000000000793A000-memory.dmp

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memory/2648-42-0x0000000007990000-0x000000000799A000-memory.dmp

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memory/2648-43-0x0000000007BA0000-0x0000000007C36000-memory.dmp

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memory/2648-44-0x0000000007B20000-0x0000000007B31000-memory.dmp

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memory/2648-45-0x0000000007B50000-0x0000000007B5E000-memory.dmp

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memory/2648-46-0x0000000007B60000-0x0000000007B74000-memory.dmp

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memory/2648-47-0x0000000007C60000-0x0000000007C7A000-memory.dmp

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memory/2648-48-0x0000000007C40000-0x0000000007C48000-memory.dmp

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memory/2648-51-0x0000000072750000-0x0000000072F00000-memory.dmp

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memory/2648-3-0x000000007275E000-0x000000007275F000-memory.dmp

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