njrat | 2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f

General

Target

2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe
Size

863KB
MD5

8b32e28becfe5553d9b59e6ea2973265
SHA1

e731235f8faeb6d04d936ebb69b7032132663566
SHA256

2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f
SHA512

6dae649db1d6033850741bb8cc316f222b6f5d476097f1a581fdad5e42f98e667a70457f2fbf0a30870b47976fe5a39c38e8f745ebcc22745e2ce4b3c466ff4a

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

UAC bypass 3 TTPs
evasion trojan

Bypass User Account Control
T1088

Disabling Security Tools
T1089

Modify Registry
T1112
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 2 IoCs

Processes:

2982.exeserver.exe

pid process

2200 2982.exe
4152 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
2200	2982.exe
4152	server.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.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 33 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe
Token: 33	4152	server.exe
Token: SeIncBasePriorityPrivilege	4152	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe2982.exeserver.exe

description	pid	process	target process
PID 4640 wrote to memory of 2200	4640	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe	2982.exe
PID 4640 wrote to memory of 2200	4640	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe	2982.exe
PID 4640 wrote to memory of 2200	4640	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe	2982.exe
PID 2200 wrote to memory of 4152	2200	2982.exe	server.exe
PID 2200 wrote to memory of 4152	2200	2982.exe	server.exe
PID 2200 wrote to memory of 4152	2200	2982.exe	server.exe
PID 4152 wrote to memory of 4068	4152	server.exe	netsh.exe
PID 4152 wrote to memory of 4068	4152	server.exe	netsh.exe
PID 4152 wrote to memory of 4068	4152	server.exe	netsh.exe

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

Processes:

2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe

C:\Users\Admin\AppData\Local\Temp\2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe
"C:\Users\Admin\AppData\Local\Temp\2f95f95b19cea5951ebd8ec19f46e8178f427702fc9193d0f851d65a1488a18f.exe"
1⤵
- Checks whether UAC is enabled
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4640

C:\Users\Admin\AppData\Local\Temp\2982\2982.exe
"C:\Users\Admin\AppData\Local\Temp\2982\2982.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:2200

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
3⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4152

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
4⤵
PID:4068

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

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

1

T1089

Modify Registry

3

T1112

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\2982\2982.exe
MD5
7d2b36fc0b2bceb385763f409d3a8bbf

SHA1
c4e0ae7f40f08bce86d8af752debc0f0f2d32874

SHA256
5c7e89ac219880e2bf1906d071e1fba266b8b138cd3e32dd3f7807d959e5f166

SHA512
b53f8670b06014f40f68931552c7aa5a877502ba707f770e92f2188341932b9e4bfc58c538404660c6e962366e72dee2039f5d8101fa3fb543158d45dad3e70f

Download Submit
C:\Users\Admin\AppData\Local\Temp\2982\2982.exe
MD5
7d2b36fc0b2bceb385763f409d3a8bbf

SHA1
c4e0ae7f40f08bce86d8af752debc0f0f2d32874

SHA256
5c7e89ac219880e2bf1906d071e1fba266b8b138cd3e32dd3f7807d959e5f166

SHA512
b53f8670b06014f40f68931552c7aa5a877502ba707f770e92f2188341932b9e4bfc58c538404660c6e962366e72dee2039f5d8101fa3fb543158d45dad3e70f

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
7d2b36fc0b2bceb385763f409d3a8bbf

SHA1
c4e0ae7f40f08bce86d8af752debc0f0f2d32874

SHA256
5c7e89ac219880e2bf1906d071e1fba266b8b138cd3e32dd3f7807d959e5f166

SHA512
b53f8670b06014f40f68931552c7aa5a877502ba707f770e92f2188341932b9e4bfc58c538404660c6e962366e72dee2039f5d8101fa3fb543158d45dad3e70f

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
MD5
7d2b36fc0b2bceb385763f409d3a8bbf

SHA1
c4e0ae7f40f08bce86d8af752debc0f0f2d32874

SHA256
5c7e89ac219880e2bf1906d071e1fba266b8b138cd3e32dd3f7807d959e5f166

SHA512
b53f8670b06014f40f68931552c7aa5a877502ba707f770e92f2188341932b9e4bfc58c538404660c6e962366e72dee2039f5d8101fa3fb543158d45dad3e70f

Download Submit
memory/2200-2-0x0000000000000000-mapping.dmp

Download
memory/2200-5-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

Download
memory/4068-10-0x0000000000000000-mapping.dmp

Download
memory/4152-6-0x0000000000000000-mapping.dmp

Download
memory/4152-9-0x00000000027A0000-0x00000000027A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads