njrat | 2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32

General

Target

2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe
Size

65KB
MD5

238a30e9eb78a74c018e0b2d602ea140
SHA1

ce425e2e719f1afb84f34e1a3ac6190302c414ba
SHA256

2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32
SHA512

d7faedc9814393945e052e6899f50d3cfda1812cdf499c1ab8fac449a16ae8381a70345f6e49fce421c4103bbf22cf07cf0e35da6876e19fbf23194d34048f7a
SSDEEP

768:jY+sNKqNHnSdRpcnuqhWYu2cbkxLuu0ycN:0+sdV+RWuq

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

192.168.10.1:5552

Mutex

9d253092f1a2b023ee6730bd5835421b

Attributes

reg_key
9d253092f1a2b023ee6730bd5835421b
splitter
|'|'|

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

Processes:

netsh.exe

pid process

2568 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

teamsupdate.exe

pid process

2312 teamsupdate.exe
Loads dropped DLL 1 IoCs

Processes:

2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe

pid process

2140 2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe

pid	process
2568	netsh.exe

pid	process
2312	teamsupdate.exe

pid	process
2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

teamsupdate.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\9d253092f1a2b023ee6730bd5835421b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\teamsupdate.exe\" .."	teamsupdate.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\9d253092f1a2b023ee6730bd5835421b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\teamsupdate.exe\" .."	teamsupdate.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

Processes:

netsh.exe

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

Processes:

2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exeteamsupdate.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	teamsupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

Processes:

teamsupdate.exe

description	pid	process
Token: SeDebugPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe
Token: 33	2312	teamsupdate.exe
Token: SeIncBasePriorityPrivilege	2312	teamsupdate.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exeteamsupdate.exe

description	pid	process	target process
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2140 wrote to memory of 2312	2140	2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe	teamsupdate.exe
PID 2312 wrote to memory of 2568	2312	teamsupdate.exe	netsh.exe
PID 2312 wrote to memory of 2568	2312	teamsupdate.exe	netsh.exe
PID 2312 wrote to memory of 2568	2312	teamsupdate.exe	netsh.exe
PID 2312 wrote to memory of 2568	2312	teamsupdate.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe
"C:\Users\Admin\AppData\Local\Temp\2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2140
- C:\Users\Admin\AppData\Local\Temp\teamsupdate.exe
  "C:\Users\Admin\AppData\Local\Temp\teamsupdate.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2312
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\teamsupdate.exe" "teamsupdate.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2568

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

\Users\Admin\AppData\Local\Temp\teamsupdate.exe

Filesize
65KB

MD5
238a30e9eb78a74c018e0b2d602ea140

SHA1
ce425e2e719f1afb84f34e1a3ac6190302c414ba

SHA256
2c43d8a297448b14dacd130cf520c4c2a6626881454660a46b4d88415ae41e32

SHA512
d7faedc9814393945e052e6899f50d3cfda1812cdf499c1ab8fac449a16ae8381a70345f6e49fce421c4103bbf22cf07cf0e35da6876e19fbf23194d34048f7a

Download Submit
memory/2140-0-0x0000000074E61000-0x0000000074E62000-memory.dmp

Filesize
4KB

Download
memory/2140-1-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-2-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-12-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-10-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-11-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-13-0x0000000074E60000-0x000000007540B000-memory.dmp

Filesize
5.7MB

Download
memory/2312-14-0x0000000074E60000-0x000000007540B000-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