njrat | ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0

General

Target

ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe
Size

23KB
MD5

5df583ec3d0da73461aa193c2aea4d23
SHA1

1841a11cb50fa14470a98a469547ee9169df1caf
SHA256

ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0
SHA512

f8f7defd5348380905ab2e3906b671a46506eda7909514bf6b10a3c541b5f35e4e0d5c6563c82f972125b79d6f079218d1870d3880dcad0f4ec82a2a5cf505b6
SSDEEP

384:nUn+E+NGW9JQFOp8AliM6vbS1puwJViz6RvlVUPVsWGsK5f9D:xGGKW6vbUpuY2cF

Score

10^/10

njrat new discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

NEW

C2

sharrych.ddns.net:5556

Mutex

723520b640cb39476dbbd3d566c664da

Attributes

reg_key
723520b640cb39476dbbd3d566c664da
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
2644	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\723520b640cb39476dbbd3d566c664da.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\723520b640cb39476dbbd3d566c664da.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2744	svchost.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\723520b640cb39476dbbd3d566c664da = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Microsoft\Windows\CurrentVersion\Run\723520b640cb39476dbbd3d566c664da = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.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	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe
Token: 33	2744	svchost.exe
Token: SeIncBasePriorityPrivilege	2744	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2716 wrote to memory of 2744	2716	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe	29
PID 2716 wrote to memory of 2744	2716	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe	29
PID 2716 wrote to memory of 2744	2716	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe	29
PID 2716 wrote to memory of 2744	2716	ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe	29
PID 2744 wrote to memory of 2644	2744	svchost.exe	30
PID 2744 wrote to memory of 2644	2744	svchost.exe	30
PID 2744 wrote to memory of 2644	2744	svchost.exe	30
PID 2744 wrote to memory of 2644	2744	svchost.exe	30

C:\Users\Admin\AppData\Local\Temp\ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe
"C:\Users\Admin\AppData\Local\Temp\ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2716
- C:\Windows\svchost.exe
  "C:\Windows\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2744
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2644

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\svchost.exe

Filesize
23KB

MD5
5df583ec3d0da73461aa193c2aea4d23

SHA1
1841a11cb50fa14470a98a469547ee9169df1caf

SHA256
ae9ba2145b99bca3d87d444a47246a5bcd426993c74733faf4892d20e195d6b0

SHA512
f8f7defd5348380905ab2e3906b671a46506eda7909514bf6b10a3c541b5f35e4e0d5c6563c82f972125b79d6f079218d1870d3880dcad0f4ec82a2a5cf505b6

Download Submit
memory/2716-0-0x0000000074541000-0x0000000074542000-memory.dmp

Filesize
4KB

Download
memory/2716-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2716-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2716-9-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2744-10-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2744-11-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2744-13-0x0000000074540000-0x0000000074AEB000-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