njrat | f6bae7dc8e556000b04a6cd492cde51e5f5245c970d8b5f2ef4a13391e3a2f54

General

Target

JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe
Size

262KB
MD5

6c15c8ad188c009a4be8e7c115e5eee1
SHA1

ad868ffec492f29e6f82c87ce5b15dbcf9b1bdd4
SHA256

f6bae7dc8e556000b04a6cd492cde51e5f5245c970d8b5f2ef4a13391e3a2f54
SHA512

d0fb1b6ae5af06b2f6ad3d8d7a8744b97dd4128483ab1640c7210dd3a186d000b75a60f68899522a5121f832843a7008baba08ab41828d9a404eb8e3ac7982ef
SSDEEP

3072:be85cLTbxSgGUKZM08ALXwpkVT6vq4BJH2+lySOFyKGPFpb1jGGluezjE00CyFSI:bZcTM7Icw0UxBbVLsnAGl3MJw7X/

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

bachir7.hopto.org:5552

Mutex

6aee4d6aa03ae92d90d6c71b250d69a4

Attributes

reg_key
6aee4d6aa03ae92d90d6c71b250d69a4
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
1380	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6aee4d6aa03ae92d90d6c71b250d69a4.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6aee4d6aa03ae92d90d6c71b250d69a4.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
1168	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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6aee4d6aa03ae92d90d6c71b250d69a4 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6aee4d6aa03ae92d90d6c71b250d69a4 = "\"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 13 IoCs

description	pid	Process
Token: SeDebugPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe
Token: 33	1168	server.exe
Token: SeIncBasePriorityPrivilege	1168	server.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2076 wrote to memory of 1168	2076	JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe	99
PID 2076 wrote to memory of 1168	2076	JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe	99
PID 1168 wrote to memory of 1380	1168	server.exe	101
PID 1168 wrote to memory of 1380	1168	server.exe	101

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c15c8ad188c009a4be8e7c115e5eee1.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2076
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1168
- - 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:1380

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
262KB

MD5
6c15c8ad188c009a4be8e7c115e5eee1

SHA1
ad868ffec492f29e6f82c87ce5b15dbcf9b1bdd4

SHA256
f6bae7dc8e556000b04a6cd492cde51e5f5245c970d8b5f2ef4a13391e3a2f54

SHA512
d0fb1b6ae5af06b2f6ad3d8d7a8744b97dd4128483ab1640c7210dd3a186d000b75a60f68899522a5121f832843a7008baba08ab41828d9a404eb8e3ac7982ef

Download Submit
memory/1168-32-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-31-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-30-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-29-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-27-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-26-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-25-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/1168-24-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/2076-5-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/2076-10-0x000000001C7A0000-0x000000001C7AC000-memory.dmp

Filesize
48KB

Download
memory/2076-9-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/2076-8-0x00007FFA81D15000-0x00007FFA81D16000-memory.dmp

Filesize
4KB

Download
memory/2076-23-0x00007FFA81A60000-0x00007FFA82401000-memory.dmp

Filesize
9.6MB

Download
memory/2076-7-0x000000001C830000-0x000000001C87C000-memory.dmp

Filesize
304KB

Download
memory/2076-6-0x0000000001330000-0x0000000001338000-memory.dmp

Filesize
32KB

Download
memory/2076-0-0x00007FFA81D15000-0x00007FFA81D16000-memory.dmp

Filesize
4KB

Download
memory/2076-4-0x000000001C6B0000-0x000000001C74C000-memory.dmp

Filesize
624KB

Download
memory/2076-3-0x000000001C140000-0x000000001C60E000-memory.dmp

Filesize
4.8MB

Download
memory/2076-2-0x000000001BBC0000-0x000000001BC66000-memory.dmp

Filesize
664KB

Download
memory/2076-1-0x00007FFA81A60000-0x00007FFA82401000-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