njrat | ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029

General

Target

ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe
Size

29KB
MD5

c10f0ddca879cbe5566ec40e3d99da8a
SHA1

ed8d73f2d7371f070790c414b586974679135243
SHA256

ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029
SHA512

f9b2f1111b8f6fc4afae7eb25c8eee497564abe2ef882a316e725946560ecaaf893fcb6032631d4f20965f1da03f40a5d221748dd5a203650cfae4f383ce7d30
SSDEEP

768:12u75oa4fu124AqFjXeJBKh0p29SgReq:t75CPkj8KhG29jeq

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

adam1424.ddns.net:1177

Mutex

301b5fcf8ce2fab8868e80b6c1f912fe

Attributes

reg_key
301b5fcf8ce2fab8868e80b6c1f912fe
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1472	System.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1168	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1948	ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\Run\301b5fcf8ce2fab8868e80b6c1f912fe = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System.exe\" .."	System.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

pid	Process
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe
1472	System.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1472	System.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 1472	1948	ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe	28
PID 1948 wrote to memory of 1472	1948	ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe	28
PID 1948 wrote to memory of 1472	1948	ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe	28
PID 1948 wrote to memory of 1472	1948	ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe	28
PID 1472 wrote to memory of 1168	1472	System.exe	29
PID 1472 wrote to memory of 1168	1472	System.exe	29
PID 1472 wrote to memory of 1168	1472	System.exe	29
PID 1472 wrote to memory of 1168	1472	System.exe	29

C:\Users\Admin\AppData\Local\Temp\ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe
"C:\Users\Admin\AppData\Local\Temp\ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1168

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\System.exe

Filesize
29KB

MD5
c10f0ddca879cbe5566ec40e3d99da8a

SHA1
ed8d73f2d7371f070790c414b586974679135243

SHA256
ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029

SHA512
f9b2f1111b8f6fc4afae7eb25c8eee497564abe2ef882a316e725946560ecaaf893fcb6032631d4f20965f1da03f40a5d221748dd5a203650cfae4f383ce7d30

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

Filesize
29KB

MD5
c10f0ddca879cbe5566ec40e3d99da8a

SHA1
ed8d73f2d7371f070790c414b586974679135243

SHA256
ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029

SHA512
f9b2f1111b8f6fc4afae7eb25c8eee497564abe2ef882a316e725946560ecaaf893fcb6032631d4f20965f1da03f40a5d221748dd5a203650cfae4f383ce7d30

Download Submit
\Users\Admin\AppData\Local\Temp\System.exe

Filesize
29KB

MD5
c10f0ddca879cbe5566ec40e3d99da8a

SHA1
ed8d73f2d7371f070790c414b586974679135243

SHA256
ca0ec790100549b31925f4263827f8a3c5fd6d981af2d30380d2efa65cb28029

SHA512
f9b2f1111b8f6fc4afae7eb25c8eee497564abe2ef882a316e725946560ecaaf893fcb6032631d4f20965f1da03f40a5d221748dd5a203650cfae4f383ce7d30

Download Submit
memory/1472-63-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/1472-65-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-54-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1948-55-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download
memory/1948-61-0x0000000074FC0000-0x000000007556B000-memory.dmp

Filesize
5.7MB

Download

Analysis

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