njrat | 5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3

General

Target

5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe
Size

40KB
MD5

f0d14609d7e942c1010ec9cfb9036ce0
SHA1

48bf70faab42fc40d2d46ea736bd80b1ca70b5c5
SHA256

5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3
SHA512

1bc9146cfe05a2e5b157b060a214025048bf47e5647ad83ea7e565b9e0424521baebd49fbbc861c8c8de78e9e8306303dd4758c6cd34bcdc6e43eebc340a98b1
SSDEEP

768:FD71oGc1FRVp74q8HesBKh0p29SgRkSczWVC1xOgT:FD71IPkpZKhG29jkScKVZgT

Score

10^/10

njrat hbsg 2 discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HBSG 2

C2

salieri-new.no-ip.biz:999

Mutex

6fe48491caf03390d0c48d6fb6c86d73

Attributes

reg_key
6fe48491caf03390d0c48d6fb6c86d73
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
2308	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6fe48491caf03390d0c48d6fb6c86d73.exe	iRkEn.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6fe48491caf03390d0c48d6fb6c86d73.exe	iRkEn.exe

Executes dropped EXE 1 IoCs

pid	Process
2280	iRkEn.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.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\6fe48491caf03390d0c48d6fb6c86d73 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\iRkEn.exe\" .."	iRkEn.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\6fe48491caf03390d0c48d6fb6c86d73 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\iRkEn.exe\" .."	iRkEn.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	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	iRkEn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe
2280	iRkEn.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2280	iRkEn.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2280	1732	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe	30
PID 1732 wrote to memory of 2280	1732	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe	30
PID 1732 wrote to memory of 2280	1732	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe	30
PID 1732 wrote to memory of 2280	1732	5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe	30
PID 2280 wrote to memory of 2308	2280	iRkEn.exe	31
PID 2280 wrote to memory of 2308	2280	iRkEn.exe	31
PID 2280 wrote to memory of 2308	2280	iRkEn.exe	31
PID 2280 wrote to memory of 2308	2280	iRkEn.exe	31

C:\Users\Admin\AppData\Local\Temp\5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe
"C:\Users\Admin\AppData\Local\Temp\5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\iRkEn.exe
  "C:\Users\Admin\AppData\Local\Temp\iRkEn.exe"
  2⤵
  - Drops startup file
  - 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:2280
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\iRkEn.exe" "iRkEn.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2308

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\Local\Temp\iRkEn.exe

Filesize
40KB

MD5
f0d14609d7e942c1010ec9cfb9036ce0

SHA1
48bf70faab42fc40d2d46ea736bd80b1ca70b5c5

SHA256
5dada24e36e7a78f9be85c877d6c49a864ca7feae1c846db966d4e543b0c7fb3

SHA512
1bc9146cfe05a2e5b157b060a214025048bf47e5647ad83ea7e565b9e0424521baebd49fbbc861c8c8de78e9e8306303dd4758c6cd34bcdc6e43eebc340a98b1

Download Submit
memory/1732-0-0x0000000074D81000-0x0000000074D82000-memory.dmp

Filesize
4KB

Download
memory/1732-1-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-3-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/1732-10-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-11-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-12-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-13-0x0000000074D80000-0x000000007532B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-15-0x0000000074D80000-0x000000007532B000-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