njrat | 8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cf

General

Target

8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe
Size

29KB
MD5

b75c2571ee3ebdabfd06cbeaf46cbd30
SHA1

3c0fc5781655c264538a09d880b6e0343bf06d58
SHA256

8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cf
SHA512

6b920934f3c57d6142e042abd0c23b954e3d89ea3a7175427358f5a6860c5f777ae95cebc419a99abf5e019d03e6dbb52ce37cb12896d73f8b0793cb6d4762ae
SSDEEP

768:3Iv/27NYsDkf3mEMqw7ecBKh0p29SgR8i:Ym7N1XfdFKhG29j8i

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

aboseif2040.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
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

pid	Process
2696	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\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
1364	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2328	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe
1364	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1364	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 1364	2328	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe	31
PID 2328 wrote to memory of 1364	2328	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe	31
PID 2328 wrote to memory of 1364	2328	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe	31
PID 2328 wrote to memory of 1364	2328	8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe	31
PID 1364 wrote to memory of 2696	1364	Trojan.exe	32
PID 1364 wrote to memory of 2696	1364	Trojan.exe	32
PID 1364 wrote to memory of 2696	1364	Trojan.exe	32
PID 1364 wrote to memory of 2696	1364	Trojan.exe	32

C:\Users\Admin\AppData\Local\Temp\8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe
"C:\Users\Admin\AppData\Local\Temp\8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cfN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2328
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:1364
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2696

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

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
29KB

MD5
b75c2571ee3ebdabfd06cbeaf46cbd30

SHA1
3c0fc5781655c264538a09d880b6e0343bf06d58

SHA256
8da6bf2b8a4b8e598f8172fa982e0f1a48fcef032bcd59906d15af0b7c9911cf

SHA512
6b920934f3c57d6142e042abd0c23b954e3d89ea3a7175427358f5a6860c5f777ae95cebc419a99abf5e019d03e6dbb52ce37cb12896d73f8b0793cb6d4762ae

Download Submit
memory/1364-11-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-12-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/1364-14-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-0-0x0000000074F21000-0x0000000074F22000-memory.dmp

Filesize
4KB

Download
memory/2328-1-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-2-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download
memory/2328-10-0x0000000074F20000-0x00000000754CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads