njrat | 4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5

General

Target

6c16c29393e52ccda35c043aea1b1940.exe
Size

37KB
MD5

6c16c29393e52ccda35c043aea1b1940
SHA1

f440a53a8e1949aa361a311721b88efb7122e56a
SHA256

4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5
SHA512

90d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44
SSDEEP

384:1SSvEiTbTvpWNcZ0y8fvCv3v3cLkacpjrAF+rMRTyN/0L+EcoinblneHQM3epzXO:sS7TZ38fvCv3E1c1rM+rMRa8Nuvct

Score

10^/10

njrat hacked evasion trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

0.tcp.sa.ngrok.io:19784

Mutex

d129900b08bb5de7ee3568103142da72

Attributes

reg_key
d129900b08bb5de7ee3568103142da72
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

520 netsh.exe
Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

1532 server.exe
Loads dropped DLL 1 IoCs

Processes:

6c16c29393e52ccda35c043aea1b1940.exe

pid process

1768 6c16c29393e52ccda35c043aea1b1940.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

pid	process
520	netsh.exe

pid	process
1532	server.exe

pid	process
1768	6c16c29393e52ccda35c043aea1b1940.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe
Token: 33	1532	server.exe
Token: SeIncBasePriorityPrivilege	1532	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

6c16c29393e52ccda35c043aea1b1940.exeserver.exe

description	pid	process	target process
PID 1768 wrote to memory of 1532	1768	6c16c29393e52ccda35c043aea1b1940.exe	server.exe
PID 1768 wrote to memory of 1532	1768	6c16c29393e52ccda35c043aea1b1940.exe	server.exe
PID 1768 wrote to memory of 1532	1768	6c16c29393e52ccda35c043aea1b1940.exe	server.exe
PID 1768 wrote to memory of 1532	1768	6c16c29393e52ccda35c043aea1b1940.exe	server.exe
PID 1532 wrote to memory of 520	1532	server.exe	netsh.exe
PID 1532 wrote to memory of 520	1532	server.exe	netsh.exe
PID 1532 wrote to memory of 520	1532	server.exe	netsh.exe
PID 1532 wrote to memory of 520	1532	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\6c16c29393e52ccda35c043aea1b1940.exe
"C:\Users\Admin\AppData\Local\Temp\6c16c29393e52ccda35c043aea1b1940.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1768

C:\Users\Admin\AppData\Local\Temp\server.exe
"C:\Users\Admin\AppData\Local\Temp\server.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1532

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:520

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
37KB

MD5
6c16c29393e52ccda35c043aea1b1940

SHA1
f440a53a8e1949aa361a311721b88efb7122e56a

SHA256
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5

SHA512
90d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44

Download Submit
C:\Users\Admin\AppData\Local\Temp\server.exe
Filesize
37KB

MD5
6c16c29393e52ccda35c043aea1b1940

SHA1
f440a53a8e1949aa361a311721b88efb7122e56a

SHA256
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5

SHA512
90d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe
Filesize
37KB

MD5
6c16c29393e52ccda35c043aea1b1940

SHA1
f440a53a8e1949aa361a311721b88efb7122e56a

SHA256
4445051491aed9c868c6641f7b2ff844047b5e61414bbc6e440ef2d7202348a5

SHA512
90d54c328c8443dcbba6be755578bd8c62fbb633000aafdba9d305e1b42a0e7b7bea8dfff978044c8712855ed72d71325f105ec1999c7a622e8d3bf6f7532f44

Download Submit
memory/1532-62-0x00000000005E0000-0x0000000000620000-memory.dmp

Filesize
256KB

Download
memory/1532-63-0x00000000005E0000-0x0000000000620000-memory.dmp

Filesize
256KB

Download
memory/1768-54-0x0000000002230000-0x0000000002270000-memory.dmp

Filesize
256KB

Download

Analysis

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