njrat | fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685

General

Target

fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe
Size

29KB
MD5

4b7bb7bad08d60eb78b3f51602b27250
SHA1

273d281125e0e407fbc87c2dd1a18279eef1bc11
SHA256

fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685
SHA512

d6ff81aa2a045ede6ee3fb0553bbf3cd9389e7185fa53d347f6f6d28cf8495cd14649269b9a92d446db3a191aa271554f5e7cd072169c6344cbcd9c129a62799
SSDEEP

384:Sx8EBl7Bvgk4Xe0exn5RhVNaemqDh9xrefTGBsbh0w4wlAokw9OhgOL1vYRGOZzq:SN7Kk4XePlFzsq3xre6BKh0p29SgR43

Score

10^/10

njrat hacked4 discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed4

C2

getf2f.zapto.org:8884

Mutex

8d7adfba634ca4d7fd0411eab4206b44

Attributes

reg_key
8d7adfba634ca4d7fd0411eab4206b44
splitter
|'|'|

Signatures

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
2540	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2376	liwer.exe

Loads dropped DLL 1 IoCs

pid	Process
2120	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe

Adds Run key to start application 2 TTPs 2 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\Run\8d7adfba634ca4d7fd0411eab4206b44 = "\"C:\\Users\\Admin\\AppData\\Roaming\\liwer.exe\" .."	liwer.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\8d7adfba634ca4d7fd0411eab4206b44 = "\"C:\\Users\\Admin\\AppData\\Roaming\\liwer.exe\" .."	liwer.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 opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	liwer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe
2376	liwer.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2376	liwer.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2120 wrote to memory of 2376	2120	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe	30
PID 2120 wrote to memory of 2376	2120	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe	30
PID 2120 wrote to memory of 2376	2120	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe	30
PID 2120 wrote to memory of 2376	2120	fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe	30
PID 2376 wrote to memory of 2540	2376	liwer.exe	31
PID 2376 wrote to memory of 2540	2376	liwer.exe	31
PID 2376 wrote to memory of 2540	2376	liwer.exe	31
PID 2376 wrote to memory of 2540	2376	liwer.exe	31

C:\Users\Admin\AppData\Local\Temp\fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe
"C:\Users\Admin\AppData\Local\Temp\fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2120
- C:\Users\Admin\AppData\Roaming\liwer.exe
  "C:\Users\Admin\AppData\Roaming\liwer.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2376
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\liwer.exe" "liwer.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2540

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\Roaming\liwer.exe

Filesize
29KB

MD5
4b7bb7bad08d60eb78b3f51602b27250

SHA1
273d281125e0e407fbc87c2dd1a18279eef1bc11

SHA256
fe288f5ec37f318223e6112af0e1ccbf290c321d13540c0fef1743ab2b191685

SHA512
d6ff81aa2a045ede6ee3fb0553bbf3cd9389e7185fa53d347f6f6d28cf8495cd14649269b9a92d446db3a191aa271554f5e7cd072169c6344cbcd9c129a62799

Download Submit
memory/2120-0-0x00000000748D1000-0x00000000748D2000-memory.dmp

Filesize
4KB

Download
memory/2120-1-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-2-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2120-10-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-11-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-12-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download
memory/2376-13-0x00000000748D0000-0x0000000074E7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads