njrat | 3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecb

General

Target

3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
Size

930KB
MD5

7629995fef4ead652941d6e16073bb10
SHA1

8b23f79a85cb1917a4d9bddf3e040c5686cf1a1c
SHA256

3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecb
SHA512

b10a4daff7b05c527ee7d72448016ed46a964d886d016986df99aa3ea90c0e42f185384aacec9db0f1720d0a56deb80d907d23680ce20fe4aabda426dc409f2f
SSDEEP

24576:lyx6q7OtSIZM98utO/MMEApCahAtcg6Zld6BbfZ:Ax17tUMO/MMtlA+Zz65fZ

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2844	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe

Executes dropped EXE 3 IoCs

pid	Process
2328	tournour.exe
2244	svchost.exe
2856	OBOXCL~1.EXE

Loads dropped DLL 4 IoCs

pid	Process
1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
2856	OBOXCL~1.EXE

Adds Run key to start application 2 TTPs 3 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\""	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OBOXCL~1.EXE

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe
2244	svchost.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	2328	tournour.exe
Token: 33	2328	tournour.exe
Token: SeIncBasePriorityPrivilege	2328	tournour.exe
Token: SeDebugPrivilege	2244	svchost.exe
Token: 33	2244	svchost.exe
Token: SeIncBasePriorityPrivilege	2244	svchost.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2856	OBOXCL~1.EXE
2856	OBOXCL~1.EXE

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2856	OBOXCL~1.EXE
2856	OBOXCL~1.EXE

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 1964 wrote to memory of 2328	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	30
PID 2328 wrote to memory of 2244	2328	tournour.exe	31
PID 2328 wrote to memory of 2244	2328	tournour.exe	31
PID 2328 wrote to memory of 2244	2328	tournour.exe	31
PID 2328 wrote to memory of 2244	2328	tournour.exe	31
PID 2328 wrote to memory of 2244	2328	tournour.exe	31
PID 2244 wrote to memory of 2844	2244	svchost.exe	32
PID 2244 wrote to memory of 2844	2244	svchost.exe	32
PID 2244 wrote to memory of 2844	2244	svchost.exe	32
PID 2244 wrote to memory of 2844	2244	svchost.exe	32
PID 2244 wrote to memory of 2844	2244	svchost.exe	32
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33
PID 1964 wrote to memory of 2856	1964	3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe	33

C:\Users\Admin\AppData\Local\Temp\3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe
"C:\Users\Admin\AppData\Local\Temp\3065acfbbf6e00ca7a43132ac13a91c755e98e0b75b0aa844d7a877e6e366ecbN.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tournour.exe
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tournour.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Users\Admin\AppData\Local\Temp\svchost.exe
    "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2244
  - - C:\Windows\system32\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      PID:2844
- C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OBOXCL~1.EXE
  C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OBOXCL~1.EXE
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\OBOXCL~1.EXE

Filesize
1.8MB

MD5
19c5f2529928354f11d85cbadb7b1241

SHA1
369de9fd7a522d5f95b98c1a1d17d98c36d806e3

SHA256
ea513d83410e658ff98696f6127cc695260ed87d2dc9243c5a4257fdc236ab1b

SHA512
a2eb4caa3741798b371bdaeb17cfdc07fc0272016ec2a8d8de2a31a8c1d8b10763c66630c81fd107f39b2974fca9adfedb253669bf39781ee0928b9d7cb54548

Download Submit
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\tournour.exe

Filesize
192KB

MD5
9fe2c5c40cfa595dc7654c60ef18f8ae

SHA1
866a066b6655e7d20c4a769ca1454f20dac95c4a

SHA256
39748fe2be41922a654fbbaf81d4f012410f8eff5366ae7c4ff0af69e8caea3d

SHA512
43c23e7663ca1316469dc70ab8622dc1bf78e4f021847dc965bfe7acccb96ea269dd4bcee7bfa28249bf3a434114f6b8d0a5f94bb459b90a7abe81028d61a56a

Download Submit
memory/2328-11-0x000007FEF5B8E000-0x000007FEF5B8F000-memory.dmp

Filesize
4KB

Download
memory/2328-12-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-13-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-14-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-15-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2328-16-0x0000000000600000-0x0000000000610000-memory.dmp

Filesize
64KB

Download
memory/2328-17-0x0000000000610000-0x000000000061A000-memory.dmp

Filesize
40KB

Download
memory/2328-18-0x0000000000730000-0x000000000073E000-memory.dmp

Filesize
56KB

Download
memory/2328-26-0x000007FEF58D0000-0x000007FEF626D000-memory.dmp

Filesize
9.6MB

Download
memory/2856-34-0x0000000000400000-0x00000000005D1000-memory.dmp

Filesize
1.8MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads