njrat | 5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83

General

Target

5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe
Size

23KB
MD5

dafc19b65a1d5c42989e2258f51cbe44
SHA1

d87e886de1bd237ece73a000ed8e2891b0e7d241
SHA256

5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83
SHA512

605e24bba49573d01a85e53d406f97540bf10312bf221c896d10e78eb1b237f19c7e46ed04ab8540a6f27aedbe5e48d3724c72503cb3ec8fe85c7834e62aa4ca

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:8808

Mutex

f974c04cda44f6d8679500cc9da12bdb

Attributes

reg_key
f974c04cda44f6d8679500cc9da12bdb
splitter
|'|'|

Signatures

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

Processes:

server.exe

pid process

1720 server.exe
Modifies Windows Firewall 1 TTPs
evasion

Modify Existing Service
T1031

pid	process
1720	server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

server.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\f974c04cda44f6d8679500cc9da12bdb = "\"C:\\Windows\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\f974c04cda44f6d8679500cc9da12bdb = "\"C:\\Windows\\server.exe\" .."	server.exe

Drops file in Windows directory 1 IoCs

Processes:

5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe

description ioc process

File created C:\Windows\server.exe 5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File created	C:\Windows\server.exe	5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe
Token: 33	1720	server.exe
Token: SeIncBasePriorityPrivilege	1720	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exeserver.exe

description	pid	process	target process
PID 1224 wrote to memory of 1720	1224	5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe	server.exe
PID 1224 wrote to memory of 1720	1224	5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe	server.exe
PID 1224 wrote to memory of 1720	1224	5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe	server.exe
PID 1224 wrote to memory of 1720	1224	5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe	server.exe
PID 1720 wrote to memory of 1632	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1632	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1632	1720	server.exe	netsh.exe
PID 1720 wrote to memory of 1632	1720	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe
"C:\Users\Admin\AppData\Local\Temp\5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83.exe"
1⤵
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:1224

C:\Windows\server.exe
"C:\Windows\server.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Windows\server.exe" "server.exe" ENABLE
3⤵
PID:1632

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:\Windows\server.exe
Filesize
23KB

MD5
dafc19b65a1d5c42989e2258f51cbe44

SHA1
d87e886de1bd237ece73a000ed8e2891b0e7d241

SHA256
5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83

SHA512
605e24bba49573d01a85e53d406f97540bf10312bf221c896d10e78eb1b237f19c7e46ed04ab8540a6f27aedbe5e48d3724c72503cb3ec8fe85c7834e62aa4ca

Download Submit
C:\Windows\server.exe
Filesize
23KB

MD5
dafc19b65a1d5c42989e2258f51cbe44

SHA1
d87e886de1bd237ece73a000ed8e2891b0e7d241

SHA256
5a8c05db738e43447bc36122d5e83a8c2b1cfd34b6c8036bfa946b95bf16cc83

SHA512
605e24bba49573d01a85e53d406f97540bf10312bf221c896d10e78eb1b237f19c7e46ed04ab8540a6f27aedbe5e48d3724c72503cb3ec8fe85c7834e62aa4ca

Download Submit
memory/1224-54-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1224-55-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download
memory/1632-61-0x0000000000000000-mapping.dmp

Download
memory/1720-56-0x0000000000000000-mapping.dmp

Download
memory/1720-60-0x0000000074AE0000-0x000000007508B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads