njrat | d4ffb7e8cefcf9db3e3a8771b05ee02c4f6235a8c13677217a8a49e5cf2dc8bd

General

Target

sibmne.exe
Size

31KB
MD5

b92b3115473d465d03d54ed3a2a7defa
SHA1

6e11bb60d8c01aa6032e927acdcec335b2181007
SHA256

d4ffb7e8cefcf9db3e3a8771b05ee02c4f6235a8c13677217a8a49e5cf2dc8bd
SHA512

be339251a191bad40a2f7a7e013b717dae439ffa0d9328da5d0fb44ce7659e390fa943b61fceb20ad6bb7e3ee349e4a35f29e548c3b23d96024fdeb4822f6aef

Score

10^/10

njrat mybot32 evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

MyBot32

C2

4.tcp.eu.ngrok.io:4542

Mutex

60ba8fa2947818e6663b2c1251a2ccd2

Attributes

reg_key
60ba8fa2947818e6663b2c1251a2ccd2
splitter
Y262SUCZ4UJJ

Signatures

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

Processes:

Bluetooth.exe

pid process

1216 Bluetooth.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

1132 netsh.exe

pid	process
1216	Bluetooth.exe

pid	process
1132	netsh.exe

Drops startup file 2 IoCs

Processes:

Bluetooth.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60ba8fa2947818e6663b2c1251a2ccd2.exe	Bluetooth.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\60ba8fa2947818e6663b2c1251a2ccd2.exe	Bluetooth.exe

Loads dropped DLL 1 IoCs

Processes:

sibmne.exe

pid process

852 sibmne.exe

pid	process
852	sibmne.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Bluetooth.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\60ba8fa2947818e6663b2c1251a2ccd2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bluetooth.exe\" .."	Bluetooth.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\60ba8fa2947818e6663b2c1251a2ccd2 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Bluetooth.exe\" .."	Bluetooth.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 19 IoCs

Processes:

Bluetooth.exe

description	pid	process
Token: SeDebugPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe
Token: 33	1216	Bluetooth.exe
Token: SeIncBasePriorityPrivilege	1216	Bluetooth.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

sibmne.exeBluetooth.exe

description	pid	process	target process
PID 852 wrote to memory of 1216	852	sibmne.exe	Bluetooth.exe
PID 852 wrote to memory of 1216	852	sibmne.exe	Bluetooth.exe
PID 852 wrote to memory of 1216	852	sibmne.exe	Bluetooth.exe
PID 852 wrote to memory of 1216	852	sibmne.exe	Bluetooth.exe
PID 1216 wrote to memory of 1132	1216	Bluetooth.exe	netsh.exe
PID 1216 wrote to memory of 1132	1216	Bluetooth.exe	netsh.exe
PID 1216 wrote to memory of 1132	1216	Bluetooth.exe	netsh.exe
PID 1216 wrote to memory of 1132	1216	Bluetooth.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\sibmne.exe
"C:\Users\Admin\AppData\Local\Temp\sibmne.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:852

C:\Users\Admin\AppData\Roaming\Bluetooth.exe
"C:\Users\Admin\AppData\Roaming\Bluetooth.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1216

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Bluetooth.exe" "Bluetooth.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:1132

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Bluetooth.exe
Filesize
31KB

MD5
b92b3115473d465d03d54ed3a2a7defa

SHA1
6e11bb60d8c01aa6032e927acdcec335b2181007

SHA256
d4ffb7e8cefcf9db3e3a8771b05ee02c4f6235a8c13677217a8a49e5cf2dc8bd

SHA512
be339251a191bad40a2f7a7e013b717dae439ffa0d9328da5d0fb44ce7659e390fa943b61fceb20ad6bb7e3ee349e4a35f29e548c3b23d96024fdeb4822f6aef

Download Submit
C:\Users\Admin\AppData\Roaming\Bluetooth.exe
Filesize
31KB

MD5
b92b3115473d465d03d54ed3a2a7defa

SHA1
6e11bb60d8c01aa6032e927acdcec335b2181007

SHA256
d4ffb7e8cefcf9db3e3a8771b05ee02c4f6235a8c13677217a8a49e5cf2dc8bd

SHA512
be339251a191bad40a2f7a7e013b717dae439ffa0d9328da5d0fb44ce7659e390fa943b61fceb20ad6bb7e3ee349e4a35f29e548c3b23d96024fdeb4822f6aef

Download Submit
\Users\Admin\AppData\Roaming\Bluetooth.exe
Filesize
31KB

MD5
b92b3115473d465d03d54ed3a2a7defa

SHA1
6e11bb60d8c01aa6032e927acdcec335b2181007

SHA256
d4ffb7e8cefcf9db3e3a8771b05ee02c4f6235a8c13677217a8a49e5cf2dc8bd

SHA512
be339251a191bad40a2f7a7e013b717dae439ffa0d9328da5d0fb44ce7659e390fa943b61fceb20ad6bb7e3ee349e4a35f29e548c3b23d96024fdeb4822f6aef

Download Submit
memory/852-54-0x0000000076781000-0x0000000076783000-memory.dmp

Filesize
8KB

Download
memory/852-55-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/852-61-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/1132-63-0x0000000000000000-mapping.dmp

Download
memory/1216-57-0x0000000000000000-mapping.dmp

Download
memory/1216-62-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download
memory/1216-65-0x0000000074A70000-0x000000007501B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads