njrat | 6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef

General

Target

6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe
Size

264KB
MD5

19403c2cd224dc7a4a97dfd7178a2956
SHA1

b764f2d45a2232c9fea85cd897eac7bc1893862a
SHA256

6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef
SHA512

16cea4e4111c3750d1572899d1993321de9608662c0e3092bfe4344339e78fc2a7d602d934cc32a30aac395ace982564afc08adf466ec9bf848d6fd762423eba
SSDEEP

6144:39547uj9LbZR2lGM9jyPgkGOmKSU9Oo2EL:34y9xTohTLE

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

naceurhackerz.no-ip.biz:5552

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Executes dropped EXE 2 IoCs

pid	Process
4788	LocalHwLbneffYw.exe
3052	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
3252	netsh.exe

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	LocalHwLbneffYw.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe

Drops startup file 2 IoCs

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

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\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 6 IoCs

pid	Process
3052	Trojan.exe
3052	Trojan.exe
3052	Trojan.exe
3052	Trojan.exe
3052	Trojan.exe
3052	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3052	Trojan.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3800 wrote to memory of 4788	3800	6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe	81
PID 3800 wrote to memory of 4788	3800	6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe	81
PID 3800 wrote to memory of 4788	3800	6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe	81
PID 4788 wrote to memory of 3052	4788	LocalHwLbneffYw.exe	83
PID 4788 wrote to memory of 3052	4788	LocalHwLbneffYw.exe	83
PID 4788 wrote to memory of 3052	4788	LocalHwLbneffYw.exe	83
PID 3052 wrote to memory of 3252	3052	Trojan.exe	84
PID 3052 wrote to memory of 3252	3052	Trojan.exe	84
PID 3052 wrote to memory of 3252	3052	Trojan.exe	84

C:\Users\Admin\AppData\Local\Temp\6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe
"C:\Users\Admin\AppData\Local\Temp\6f7e51b74ffee64a15bfc6adbb2df5198b98941199f22795992e3727c2e1beef.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3800
- C:\Users\Admin\AppData\LocalHwLbneffYw.exe
  "C:\Users\Admin\AppData\LocalHwLbneffYw.exe"
  2⤵
  - Executes dropped EXE
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4788
- - C:\Users\Admin\AppData\Local\Temp\Trojan.exe
    "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
    3⤵
    - Executes dropped EXE
    - Drops startup file
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3052
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      PID:3252

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalHwLbneffYw.exe

Filesize
29KB

MD5
d95890d8b39ece123cab2a757edbf6ca

SHA1
2ae55d38ac129af05a94c217a8cf05a8fb137087

SHA256
30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

SHA512
1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

Download Submit
C:\Users\Admin\AppData\LocalHwLbneffYw.exe

Filesize
29KB

MD5
d95890d8b39ece123cab2a757edbf6ca

SHA1
2ae55d38ac129af05a94c217a8cf05a8fb137087

SHA256
30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

SHA512
1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

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

Filesize
29KB

MD5
d95890d8b39ece123cab2a757edbf6ca

SHA1
2ae55d38ac129af05a94c217a8cf05a8fb137087

SHA256
30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

SHA512
1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

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

Filesize
29KB

MD5
d95890d8b39ece123cab2a757edbf6ca

SHA1
2ae55d38ac129af05a94c217a8cf05a8fb137087

SHA256
30529640d9a167c5a20b6e5398c21eaa98469cceb32829d6a5df5e224a38cee0

SHA512
1a609e483291c329798691c2152b966d4f959fca40e4dc28246d98e06c5099192e2319923b0e7827c343074bbd0facdec6d3d52edb4c68debee6f4c89b5d34db

Download Submit
memory/3052-143-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/3052-144-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/3800-132-0x00007FFEAEB20000-0x00007FFEAF556000-memory.dmp

Filesize
10.2MB

Download
memory/4788-136-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/4788-137-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download
memory/4788-141-0x0000000074DE0000-0x0000000075391000-memory.dmp

Filesize
5.7MB

Download

Analysis

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