njrat | ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a

General

Target

ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe
Size

28KB
MD5

8578b95d87f0dced871f1f9941b85ca2
SHA1

d90f174ecc3046ca6b79002266c02bd6832eb327
SHA256

ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a
SHA512

91ad1e87780be13111c094e5af2680ec33b2031c9cf8276bdcfde6f9ee1713afa29b7513db1333862eed5084a459c3a9a623456dfd7ebd18226116829e54958d
SSDEEP

384:l6FLvll7jBFoYoKTtV529XiumqD0NDeIqGBsbh0w4wlAokw9OhgOL1vYRGOZzUZd:Y73oYoszmXcqoDewBKh0p29SgRmd

Score

10^/10

njrat [email protected] evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

[email protected]

C2

chiheb147.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Processes:

Trojan.exe

pid process

524 Trojan.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1384 netsh.exe

pid	process
1384	netsh.exe

Drops startup file 2 IoCs

Processes:

Trojan.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5cd8f17f4086744065eb0992a09e05a2.exe	Trojan.exe

Loads dropped DLL 2 IoCs

Processes:

ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe

pid	process
752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe
752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Trojan.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 16 IoCs

Processes:

Trojan.exe

pid	process
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe
524	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Trojan.exe

description pid process

Token: SeDebugPrivilege 524 Trojan.exe

description	pid	process
Token: SeDebugPrivilege	524	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exeTrojan.exe

description	pid	process	target process
PID 752 wrote to memory of 524	752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe	Trojan.exe
PID 752 wrote to memory of 524	752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe	Trojan.exe
PID 752 wrote to memory of 524	752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe	Trojan.exe
PID 752 wrote to memory of 524	752	ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe	Trojan.exe
PID 524 wrote to memory of 1384	524	Trojan.exe	netsh.exe
PID 524 wrote to memory of 1384	524	Trojan.exe	netsh.exe
PID 524 wrote to memory of 1384	524	Trojan.exe	netsh.exe
PID 524 wrote to memory of 1384	524	Trojan.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe
"C:\Users\Admin\AppData\Local\Temp\ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:752

C:\Users\Admin\AppData\Local\Temp\Trojan.exe
"C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:524

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1384

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

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Downloads

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

MD5
8578b95d87f0dced871f1f9941b85ca2

SHA1
d90f174ecc3046ca6b79002266c02bd6832eb327

SHA256
ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a

SHA512
91ad1e87780be13111c094e5af2680ec33b2031c9cf8276bdcfde6f9ee1713afa29b7513db1333862eed5084a459c3a9a623456dfd7ebd18226116829e54958d

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

MD5
8578b95d87f0dced871f1f9941b85ca2

SHA1
d90f174ecc3046ca6b79002266c02bd6832eb327

SHA256
ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a

SHA512
91ad1e87780be13111c094e5af2680ec33b2031c9cf8276bdcfde6f9ee1713afa29b7513db1333862eed5084a459c3a9a623456dfd7ebd18226116829e54958d

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

MD5
8578b95d87f0dced871f1f9941b85ca2

SHA1
d90f174ecc3046ca6b79002266c02bd6832eb327

SHA256
ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a

SHA512
91ad1e87780be13111c094e5af2680ec33b2031c9cf8276bdcfde6f9ee1713afa29b7513db1333862eed5084a459c3a9a623456dfd7ebd18226116829e54958d

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

MD5
8578b95d87f0dced871f1f9941b85ca2

SHA1
d90f174ecc3046ca6b79002266c02bd6832eb327

SHA256
ef4b617c15ad882a2336db5fead1e849a938f731a7ab5f0e514ef9aa6559cd6a

SHA512
91ad1e87780be13111c094e5af2680ec33b2031c9cf8276bdcfde6f9ee1713afa29b7513db1333862eed5084a459c3a9a623456dfd7ebd18226116829e54958d

Download Submit
memory/524-58-0x0000000000000000-mapping.dmp

Download
memory/524-64-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/524-66-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/752-54-0x0000000074DA1000-0x0000000074DA3000-memory.dmp

Filesize
8KB

Download
memory/752-55-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/752-62-0x0000000073EB0000-0x000000007445B000-memory.dmp

Filesize
5.7MB

Download
memory/1384-63-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads