njrat | 4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841

General

Target

4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe
Size

23KB
MD5

81e650a3b9257dcd86e3df93160727c1
SHA1

e66d562839bb6b634afe5a678b9d5172c1ae617d
SHA256

4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841
SHA512

17002c5feddfdf1b63b7ac23db37ec0e775220bef829448952477299edceeed6562e376d9ec37139bedad32cf408e9616f83b2668ce07e3247077713cae98d84

Score

10^/10

njrat hacked evasion persistence 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
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

2044 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1596 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe

pid process

2024 4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe

pid	process
2044	server.exe

pid	process
1596	netsh.exe

pid	process
2024	4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\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). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe
Token: 33	2044	server.exe
Token: SeIncBasePriorityPrivilege	2044	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exeserver.exe

description	pid	process	target process
PID 2024 wrote to memory of 2044	2024	4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe	server.exe
PID 2024 wrote to memory of 2044	2024	4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe	server.exe
PID 2024 wrote to memory of 2044	2024	4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe	server.exe
PID 2024 wrote to memory of 2044	2024	4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe	server.exe
PID 2044 wrote to memory of 1596	2044	server.exe	netsh.exe
PID 2044 wrote to memory of 1596	2044	server.exe	netsh.exe
PID 2044 wrote to memory of 1596	2044	server.exe	netsh.exe
PID 2044 wrote to memory of 1596	2044	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe
"C:\Users\Admin\AppData\Local\Temp\4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2024

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:2044

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1596

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
81e650a3b9257dcd86e3df93160727c1

SHA1
e66d562839bb6b634afe5a678b9d5172c1ae617d

SHA256
4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841

SHA512
17002c5feddfdf1b63b7ac23db37ec0e775220bef829448952477299edceeed6562e376d9ec37139bedad32cf408e9616f83b2668ce07e3247077713cae98d84

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
81e650a3b9257dcd86e3df93160727c1

SHA1
e66d562839bb6b634afe5a678b9d5172c1ae617d

SHA256
4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841

SHA512
17002c5feddfdf1b63b7ac23db37ec0e775220bef829448952477299edceeed6562e376d9ec37139bedad32cf408e9616f83b2668ce07e3247077713cae98d84

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
Filesize
23KB

MD5
81e650a3b9257dcd86e3df93160727c1

SHA1
e66d562839bb6b634afe5a678b9d5172c1ae617d

SHA256
4de84a73f90891c2671018482c913cccd62d4483627ebaaedbe0196ae1ac1841

SHA512
17002c5feddfdf1b63b7ac23db37ec0e775220bef829448952477299edceeed6562e376d9ec37139bedad32cf408e9616f83b2668ce07e3247077713cae98d84

Download Submit
memory/1596-63-0x0000000000000000-mapping.dmp

Download
memory/2024-54-0x00000000765D1000-0x00000000765D3000-memory.dmp

Filesize
8KB

Download
memory/2024-55-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2024-61-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-57-0x0000000000000000-mapping.dmp

Download
memory/2044-62-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download
memory/2044-65-0x0000000074970000-0x0000000074F1B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads