njrat | c16c299ce7b493462cd973c199d2fec2544800711ba0b42cf47f84374d6e71d7

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3152	powershell.exe

Launches sc.exe 3 IoCs

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

pid	Process
4056	sc.exe
5100	sc.exe
2504	sc.exe

System Location Discovery: System Language Discovery 1 TTPs 9 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	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	celex.exe
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	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3152	powershell.exe
3152	powershell.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeIncreaseQuotaPrivilege	3152	powershell.exe
Token: SeSecurityPrivilege	3152	powershell.exe
Token: SeTakeOwnershipPrivilege	3152	powershell.exe
Token: SeLoadDriverPrivilege	3152	powershell.exe
Token: SeSystemProfilePrivilege	3152	powershell.exe
Token: SeSystemtimePrivilege	3152	powershell.exe
Token: SeProfSingleProcessPrivilege	3152	powershell.exe
Token: SeIncBasePriorityPrivilege	3152	powershell.exe
Token: SeCreatePagefilePrivilege	3152	powershell.exe
Token: SeBackupPrivilege	3152	powershell.exe
Token: SeRestorePrivilege	3152	powershell.exe
Token: SeShutdownPrivilege	3152	powershell.exe
Token: SeDebugPrivilege	3152	powershell.exe
Token: SeSystemEnvironmentPrivilege	3152	powershell.exe
Token: SeRemoteShutdownPrivilege	3152	powershell.exe
Token: SeUndockPrivilege	3152	powershell.exe
Token: SeManageVolumePrivilege	3152	powershell.exe
Token: 33	3152	powershell.exe
Token: 34	3152	powershell.exe
Token: 35	3152	powershell.exe
Token: 36	3152	powershell.exe
Token: SeDebugPrivilege	1472	celex.exe
Token: 33	1472	celex.exe
Token: SeIncBasePriorityPrivilege	1472	celex.exe
Token: 33	1472	celex.exe
Token: SeIncBasePriorityPrivilege	1472	celex.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 236	1472	celex.exe	86
PID 1472 wrote to memory of 236	1472	celex.exe	86
PID 1472 wrote to memory of 236	1472	celex.exe	86
PID 236 wrote to memory of 3152	236	cmd.exe	88
PID 236 wrote to memory of 3152	236	cmd.exe	88
PID 236 wrote to memory of 3152	236	cmd.exe	88
PID 1472 wrote to memory of 460	1472	celex.exe	91
PID 1472 wrote to memory of 460	1472	celex.exe	91
PID 1472 wrote to memory of 460	1472	celex.exe	91
PID 460 wrote to memory of 4056	460	cmd.exe	93
PID 460 wrote to memory of 4056	460	cmd.exe	93
PID 460 wrote to memory of 4056	460	cmd.exe	93
PID 1472 wrote to memory of 4832	1472	celex.exe	94
PID 1472 wrote to memory of 4832	1472	celex.exe	94
PID 1472 wrote to memory of 4832	1472	celex.exe	94
PID 4832 wrote to memory of 5100	4832	cmd.exe	96
PID 4832 wrote to memory of 5100	4832	cmd.exe	96
PID 4832 wrote to memory of 5100	4832	cmd.exe	96
PID 1472 wrote to memory of 556	1472	celex.exe	97
PID 1472 wrote to memory of 556	1472	celex.exe	97
PID 1472 wrote to memory of 556	1472	celex.exe	97
PID 556 wrote to memory of 2504	556	cmd.exe	99
PID 556 wrote to memory of 2504	556	cmd.exe	99
PID 556 wrote to memory of 2504	556	cmd.exe	99

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:1472
- C:\Windows\SysWOW64\cmd.exe
  cmd /c powershell Set-MpPreference -DisableRealtimeMonitoring $true
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:236
- - 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:3152
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc query windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:460
- - C:\Windows\SysWOW64\sc.exe
    sc query windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:4056
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc stop windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4832
- - C:\Windows\SysWOW64\sc.exe
    sc stop windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:5100
- C:\Windows\SysWOW64\cmd.exe
  cmd /c sc delete windefend
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\sc.exe
    sc delete windefend
    3⤵
    - Launches sc.exe
    - System Location Discovery: System Language Discovery
    PID:2504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

System Services

1

T1569

Service Execution

1

T1569.002

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Impair Defenses

1

T1562

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Service Stop

1

T1489

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_5ve2ftt1.1pb.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1472-6-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-1-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-2-0x0000000075410000-0x00000000759C1000-memory.dmp

Filesize
5.7MB

Download
memory/1472-0-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/1472-4-0x0000000075412000-0x0000000075413000-memory.dmp

Filesize
4KB

Download
memory/3152-22-0x0000000006160000-0x000000000617E000-memory.dmp

Filesize
120KB

Download
memory/3152-36-0x0000000007140000-0x000000000715E000-memory.dmp

Filesize
120KB

Download
memory/3152-7-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download
memory/3152-9-0x0000000005210000-0x0000000005232000-memory.dmp

Filesize
136KB

Download
memory/3152-10-0x00000000052B0000-0x0000000005316000-memory.dmp

Filesize
408KB

Download
memory/3152-11-0x0000000005AB0000-0x0000000005B16000-memory.dmp

Filesize
408KB

Download
memory/3152-5-0x0000000004AF0000-0x0000000004B26000-memory.dmp

Filesize
216KB

Download
memory/3152-21-0x0000000005C20000-0x0000000005F77000-memory.dmp

Filesize
3.3MB

Download
memory/3152-3-0x000000007319E000-0x000000007319F000-memory.dmp

Filesize
4KB

Download
memory/3152-23-0x0000000006350000-0x000000000639C000-memory.dmp

Filesize
304KB

Download
memory/3152-25-0x000000006F9E0000-0x000000006FA2C000-memory.dmp

Filesize
304KB

Download
memory/3152-8-0x0000000005370000-0x0000000005A3A000-memory.dmp

Filesize
6.8MB

Download
memory/3152-35-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download
memory/3152-24-0x0000000007160000-0x0000000007192000-memory.dmp

Filesize
200KB

Download
memory/3152-37-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download
memory/3152-38-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download
memory/3152-39-0x00000000073A0000-0x0000000007443000-memory.dmp

Filesize
652KB

Download
memory/3152-40-0x0000000007B00000-0x000000000817A000-memory.dmp

Filesize
6.5MB

Download
memory/3152-41-0x00000000074C0000-0x00000000074DA000-memory.dmp

Filesize
104KB

Download
memory/3152-42-0x0000000007520000-0x000000000752A000-memory.dmp

Filesize
40KB

Download
memory/3152-43-0x0000000007720000-0x00000000077B6000-memory.dmp

Filesize
600KB

Download
memory/3152-44-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download
memory/3152-47-0x0000000073190000-0x0000000073941000-memory.dmp

Filesize
7.7MB

Download

Analysis

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