njrat | d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289e

General

Target

d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe
Size

89KB
MD5

fa3f20e10231190f449017b08f05c930
SHA1

6c8202dfbb81d01b9e99cbcf97a4c4113f0023ac
SHA256

d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289e
SHA512

4ba760536aedb767c7f38068ab9cabf497a1499998ddd4e5810588c848e561ead8ddb60b847653ef921b71ca2e8a6f7d893c30d27fd8aa1e97cf176b1bb67f27
SSDEEP

768:47qAn2N2urOxBPF6ozWUshy9x+UwVbYdguJcF4Qhc4VjsS8jdxKNu6LUEEDeyDvJ:4+AnP/BPEMW3hyj+UwV82hBjsVx1n5N

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

279f6960ed84a752570aca7fb2dc1552

Attributes

reg_key
279f6960ed84a752570aca7fb2dc1552
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
864	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe

Executes dropped EXE 1 IoCs

pid	Process
5072	server.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe
Token: 33	5072	server.exe
Token: SeIncBasePriorityPrivilege	5072	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3688 wrote to memory of 5072	3688	d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe	82
PID 3688 wrote to memory of 5072	3688	d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe	82
PID 5072 wrote to memory of 864	5072	server.exe	88
PID 5072 wrote to memory of 864	5072	server.exe	88

C:\Users\Admin\AppData\Local\Temp\d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe
"C:\Users\Admin\AppData\Local\Temp\d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289eN.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3688
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5072
- - C:\Windows\SYSTEM32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:864

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe

Filesize
89KB

MD5
fa3f20e10231190f449017b08f05c930

SHA1
6c8202dfbb81d01b9e99cbcf97a4c4113f0023ac

SHA256
d6586c14bc8871306d01f5d2065f3340e1e9419f260695880a1c9947340a289e

SHA512
4ba760536aedb767c7f38068ab9cabf497a1499998ddd4e5810588c848e561ead8ddb60b847653ef921b71ca2e8a6f7d893c30d27fd8aa1e97cf176b1bb67f27

Download Submit
memory/3688-10-0x00007FF874115000-0x00007FF874116000-memory.dmp

Filesize
4KB

Download
memory/3688-5-0x000000001C8D0000-0x000000001C96C000-memory.dmp

Filesize
624KB

Download
memory/3688-11-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/3688-25-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/3688-1-0x000000001BD40000-0x000000001BDE6000-memory.dmp

Filesize
664KB

Download
memory/3688-6-0x00000000014D0000-0x00000000014D8000-memory.dmp

Filesize
32KB

Download
memory/3688-7-0x000000001CA30000-0x000000001CA7C000-memory.dmp

Filesize
304KB

Download
memory/3688-8-0x00000000019F0000-0x00000000019FC000-memory.dmp

Filesize
48KB

Download
memory/3688-9-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/3688-0-0x00007FF874115000-0x00007FF874116000-memory.dmp

Filesize
4KB

Download
memory/3688-3-0x000000001C310000-0x000000001C7DE000-memory.dmp

Filesize
4.8MB

Download
memory/3688-2-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/3688-4-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-24-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-26-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-27-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-28-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-29-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-30-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-31-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download
memory/5072-32-0x00007FF873E60000-0x00007FF874801000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads