njrat | ec42e0369da6a7296ab3dfadd47b61b857c626e1181333089851ffb088e76740

Analysis

max time kernel
152s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
05-12-2022 19:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Extreme Injector.v3.7.2.-.by.master131.exe
Size

174KB
MD5

f40ed39309831ba693ab389aa1dc5b56
SHA1

80044850f09949adb5c83a42f4e58158f98f10dc
SHA256

ec42e0369da6a7296ab3dfadd47b61b857c626e1181333089851ffb088e76740
SHA512

a409bbc9e2c3502ab6a792f1194366208535bac4abf634a1f161262b41b144fb9b7fc95b10fa294f79c615b542b47f51bd9b253752cc0c876335baaf82eb746e
SSDEEP

1536:+3ZdeRqxoZ+gRJNJoLNAgV5sM7gSA+z874dqlZfFO73AyJpj/CQQmao5GFV2:+3feIq+yJbKNr7Lt3Q7EsYhJVQC5Gv

Score

10^/10

njrat hacked trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

4.tcp.eu.ngrok.io:1604

Mutex

0b0b7987b03c6cda3a4ba11ac605e050

Attributes

reg_key
0b0b7987b03c6cda3a4ba11ac605e050
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 2 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

952 AcroRd32.exe
952 AcroRd32.exe
952 AcroRd32.exe

pid	process
952	AcroRd32.exe
952	AcroRd32.exe
952	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Extreme Injector.v3.7.2.-.by.master131.exerundll32.exe

description	pid	process	target process
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1896 wrote to memory of 1272	1896	Extreme Injector.v3.7.2.-.by.master131.exe	rundll32.exe
PID 1272 wrote to memory of 952	1272	rundll32.exe	AcroRd32.exe
PID 1272 wrote to memory of 952	1272	rundll32.exe	AcroRd32.exe
PID 1272 wrote to memory of 952	1272	rundll32.exe	AcroRd32.exe
PID 1272 wrote to memory of 952	1272	rundll32.exe	AcroRd32.exe

C:\Users\Admin\AppData\Local\Temp\Extreme Injector.v3.7.2.-.by.master131.exe
"C:\Users\Admin\AppData\Local\Temp\Extreme Injector.v3.7.2.-.by.master131.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1896

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Roaming\Google Crash Handler
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1272

C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Roaming\Google Crash Handler"
3⤵
- Suspicious use of SetWindowsHookEx
PID:952

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Google Crash Handler
Filesize
174KB

MD5
f40ed39309831ba693ab389aa1dc5b56

SHA1
80044850f09949adb5c83a42f4e58158f98f10dc

SHA256
ec42e0369da6a7296ab3dfadd47b61b857c626e1181333089851ffb088e76740

SHA512
a409bbc9e2c3502ab6a792f1194366208535bac4abf634a1f161262b41b144fb9b7fc95b10fa294f79c615b542b47f51bd9b253752cc0c876335baaf82eb746e

Download Submit
memory/952-61-0x0000000000000000-mapping.dmp

Download
memory/1272-57-0x0000000000000000-mapping.dmp

Download
memory/1896-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

Filesize
8KB

Download
memory/1896-55-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-56-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/1896-58-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download