njrat | 5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5

General

Target

5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe
Size

28KB
MD5

09d9d38a61ca864ddca8c576b9a3526f
SHA1

03df810dc2f1b2bfd240a6532cd36e0965fa8dc8
SHA256

5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5
SHA512

ab950d0ab1567f7dac126d275797c7be2ba3b017b5c2a2cf4361dc675bd62631f6e65c5e3a37ab1d01d24fbbf085777d46be2bfe447f5cf53ad7c9a7d87b7c5b

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

212683d986fb740ad6a40184df48e604

Attributes

reg_key
212683d986fb740ad6a40184df48e604
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

2000 server.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1208 netsh.exe
Loads dropped DLL 1 IoCs

Processes:

5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe

pid process

1752 5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe

pid	process
2000	server.exe

pid	process
1208	netsh.exe

pid	process
1752	5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.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\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3440072777-2118400376-1759599358-1000\Software\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"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	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe
Token: 33	2000	server.exe
Token: SeIncBasePriorityPrivilege	2000	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exeserver.exe

description	pid	process	target process
PID 1752 wrote to memory of 2000	1752	5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe	server.exe
PID 1752 wrote to memory of 2000	1752	5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe	server.exe
PID 1752 wrote to memory of 2000	1752	5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe	server.exe
PID 1752 wrote to memory of 2000	1752	5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe	server.exe
PID 2000 wrote to memory of 1208	2000	server.exe	netsh.exe
PID 2000 wrote to memory of 1208	2000	server.exe	netsh.exe
PID 2000 wrote to memory of 1208	2000	server.exe	netsh.exe
PID 2000 wrote to memory of 1208	2000	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe
"C:\Users\Admin\AppData\Local\Temp\5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752

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:2000

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:1208

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
28KB

MD5
09d9d38a61ca864ddca8c576b9a3526f

SHA1
03df810dc2f1b2bfd240a6532cd36e0965fa8dc8

SHA256
5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5

SHA512
ab950d0ab1567f7dac126d275797c7be2ba3b017b5c2a2cf4361dc675bd62631f6e65c5e3a37ab1d01d24fbbf085777d46be2bfe447f5cf53ad7c9a7d87b7c5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
28KB

MD5
09d9d38a61ca864ddca8c576b9a3526f

SHA1
03df810dc2f1b2bfd240a6532cd36e0965fa8dc8

SHA256
5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5

SHA512
ab950d0ab1567f7dac126d275797c7be2ba3b017b5c2a2cf4361dc675bd62631f6e65c5e3a37ab1d01d24fbbf085777d46be2bfe447f5cf53ad7c9a7d87b7c5b

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
Filesize
28KB

MD5
09d9d38a61ca864ddca8c576b9a3526f

SHA1
03df810dc2f1b2bfd240a6532cd36e0965fa8dc8

SHA256
5e220b16575e55b589df04d15e2806160345f4d588bc659be5f3090919dd4be5

SHA512
ab950d0ab1567f7dac126d275797c7be2ba3b017b5c2a2cf4361dc675bd62631f6e65c5e3a37ab1d01d24fbbf085777d46be2bfe447f5cf53ad7c9a7d87b7c5b

Download Submit
memory/1208-63-0x0000000000000000-mapping.dmp

Download
memory/1752-54-0x0000000075DF1000-0x0000000075DF3000-memory.dmp

Filesize
8KB

Download
memory/1752-55-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/1752-61-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/2000-57-0x0000000000000000-mapping.dmp

Download
memory/2000-62-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download
memory/2000-65-0x0000000074C30000-0x00000000751DB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads