njrat | 49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62

General

Target

49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe
Size

37KB
MD5

1bcf67c1f8bc98427e91ef1f55b08543
SHA1

5027465199412f584324cdd9b7cfe2cc72a356cd
SHA256

49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62
SHA512

15048ea869527dc6cafc04f18edc4c77d8e3d160525386db3ff70a3810e61c4822d39e6e505cd6264789acfa9f7bf705b389f7a56833fc0844f8a19b722bf5c8
SSDEEP

384:tLGQqQilwhHeTnMGiyMTl03HOj3YTrrAF+rMRTyN/0L+EcoinblneHQM3epzXPNp:7rSMGxMTl0ejY/rM+rMRa8Nu15t

Score

10^/10

njrat ab discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

AB

C2

gman123.duckdns.org:5552

Mutex

a7dbbfe19f5aa2c19ff5ee9aac621d3e

Attributes

reg_key
a7dbbfe19f5aa2c19ff5ee9aac621d3e
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
2784	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a7dbbfe19f5aa2c19ff5ee9aac621d3e.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a7dbbfe19f5aa2c19ff5ee9aac621d3e.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2328	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
488	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.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	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.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	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe
Token: 33	2328	svchost.exe
Token: SeIncBasePriorityPrivilege	2328	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 488 wrote to memory of 2328	488	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe	29
PID 488 wrote to memory of 2328	488	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe	29
PID 488 wrote to memory of 2328	488	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe	29
PID 488 wrote to memory of 2328	488	49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe	29
PID 2328 wrote to memory of 2784	2328	svchost.exe	30
PID 2328 wrote to memory of 2784	2328	svchost.exe	30
PID 2328 wrote to memory of 2784	2328	svchost.exe	30
PID 2328 wrote to memory of 2784	2328	svchost.exe	30

C:\Users\Admin\AppData\Local\Temp\49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe
"C:\Users\Admin\AppData\Local\Temp\49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:488
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2328
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2784

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

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

\Users\Admin\AppData\Roaming\svchost.exe

Filesize
37KB

MD5
1bcf67c1f8bc98427e91ef1f55b08543

SHA1
5027465199412f584324cdd9b7cfe2cc72a356cd

SHA256
49e686db686ea8dc3e3eebd8b35e461f062684de3ca06fc3d8b4664b3f175f62

SHA512
15048ea869527dc6cafc04f18edc4c77d8e3d160525386db3ff70a3810e61c4822d39e6e505cd6264789acfa9f7bf705b389f7a56833fc0844f8a19b722bf5c8

Download Submit
memory/488-0-0x0000000074A21000-0x0000000074A22000-memory.dmp

Filesize
4KB

Download
memory/488-1-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/488-2-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/488-10-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-11-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-12-0x0000000074A20000-0x0000000074FCB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-14-0x0000000074A20000-0x0000000074FCB000-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