njrat | 3180329acbe4bef309498a65b0db0df853102257fdc3c71838c969289121f425

General

Target

0x0036000000015d4215.exe
Size

37KB
MD5

93bf6f4e5c7a5cfa70924d084796388d
SHA1

92c32c2ae89aefceb51468eca032adce232e0bbb
SHA256

3180329acbe4bef309498a65b0db0df853102257fdc3c71838c969289121f425
SHA512

eb13a2d5590aa20e426a8d93b27d57f467be9efe496a180d2c6c921597b6ed2b232a0e0c43dd451b377b356c2ffa22083062c67172b9f109d3efa87e31e6de42
SSDEEP

384:nlmFnqi0lJZtbH9KyM+2VzmiPZMsWerErAF+rMRTyN/0L+EcoinblneHQM3epzXW:lmSJ95M+2V6iqVe4rM+rMRa8NuMJt

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

born-administrative.gl.at.ply.gg:10324

Mutex

c6aa749155b3480287d64e2d4a50cdbf

Attributes

reg_key
c6aa749155b3480287d64e2d4a50cdbf
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
2740	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c6aa749155b3480287d64e2d4a50cdbf.exe	svhost.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c6aa749155b3480287d64e2d4a50cdbf.exe	svhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2932	svhost.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\USER\S-1-5-21-3502430532-24693940-2469786940-1000\Software\Microsoft\Windows\CurrentVersion\Run\c6aa749155b3480287d64e2d4a50cdbf = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\c6aa749155b3480287d64e2d4a50cdbf = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\svhost.exe	0x0036000000015d4215.exe
File opened for modification	C:\Windows\svhost.exe	0x0036000000015d4215.exe
File opened for modification	C:\Windows\svhost.exe	svhost.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\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0x0036000000015d4215.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe
Token: 33	2932	svhost.exe
Token: SeIncBasePriorityPrivilege	2932	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2080 wrote to memory of 2932	2080	0x0036000000015d4215.exe	30
PID 2080 wrote to memory of 2932	2080	0x0036000000015d4215.exe	30
PID 2080 wrote to memory of 2932	2080	0x0036000000015d4215.exe	30
PID 2080 wrote to memory of 2932	2080	0x0036000000015d4215.exe	30
PID 2932 wrote to memory of 2740	2932	svhost.exe	31
PID 2932 wrote to memory of 2740	2932	svhost.exe	31
PID 2932 wrote to memory of 2740	2932	svhost.exe	31
PID 2932 wrote to memory of 2740	2932	svhost.exe	31

C:\Users\Admin\AppData\Local\Temp\0x0036000000015d4215.exe
"C:\Users\Admin\AppData\Local\Temp\0x0036000000015d4215.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2080
- C:\Windows\svhost.exe
  "C:\Windows\svhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2932
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svhost.exe" "svhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2740

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:\Windows\svhost.exe

Filesize
37KB

MD5
93bf6f4e5c7a5cfa70924d084796388d

SHA1
92c32c2ae89aefceb51468eca032adce232e0bbb

SHA256
3180329acbe4bef309498a65b0db0df853102257fdc3c71838c969289121f425

SHA512
eb13a2d5590aa20e426a8d93b27d57f467be9efe496a180d2c6c921597b6ed2b232a0e0c43dd451b377b356c2ffa22083062c67172b9f109d3efa87e31e6de42

Download Submit
memory/2080-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/2080-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2080-10-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-11-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-9-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2932-13-0x0000000074A20000-0x0000000074FCB000-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