njrat | 6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785a

General

Target

6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe
Size

93KB
MD5

4638a4d3255b6fa95b8cca9ada4746f0
SHA1

45e155e6af5ffc94aaeefa3b5e689da936e125a6
SHA256

6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785a
SHA512

1fcd84fdec97db5c6b5a9f35ea694ea29452fa8991852099bcd5414f3148a2248a98a07561b4449add087d0d1cf8995e3b751999ea7a485bdcb6d37bbb57ed5f
SSDEEP

768:3Y3cCnD9O/pBcxYsbae6GIXb9pDX2t98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk33sGt:BCxOx6baIa9RZj00ljEwzGi1dDjDhgS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

127.0.0.1:7183

Mutex

058a6375393cb12414731e355531b4a5

Attributes

reg_key
058a6375393cb12414731e355531b4a5
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2828	netsh.exe

Drops startup file 4 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Security Info.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows Security Info.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\058a6375393cb12414731e355531b4a5Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\058a6375393cb12414731e355531b4a5Windows Update.exe	server.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	server.exe

Loads dropped DLL 2 IoCs

pid	Process
2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe
2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe
Token: 33	2920	server.exe
Token: SeIncBasePriorityPrivilege	2920	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2512 wrote to memory of 2920	2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe	31
PID 2512 wrote to memory of 2920	2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe	31
PID 2512 wrote to memory of 2920	2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe	31
PID 2512 wrote to memory of 2920	2512	6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe	31
PID 2920 wrote to memory of 2828	2920	server.exe	32
PID 2920 wrote to memory of 2828	2920	server.exe	32
PID 2920 wrote to memory of 2828	2920	server.exe	32
PID 2920 wrote to memory of 2828	2920	server.exe	32

C:\Users\Admin\AppData\Local\Temp\6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe
"C:\Users\Admin\AppData\Local\Temp\6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785aN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2512
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2828

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
5B

MD5
69cf10399d0d1350c3698099796624cb

SHA1
d0b58b76ff065f51172971853a7da414286d9ea7

SHA256
a7bff94c7cdef50b67a3bab142ebcec4d360491e339581c41f433fec6d002f48

SHA512
5e1c9745b2b529c026e51fbff7fd4e1e0bd208c705b7da830459758d28c01b32b9bc93caa7ad60228d3e785784023d8a739fda0dab62d3c76770ea84c257f1f7

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

Filesize
93KB

MD5
4638a4d3255b6fa95b8cca9ada4746f0

SHA1
45e155e6af5ffc94aaeefa3b5e689da936e125a6

SHA256
6f473d9e7115a0555505eea67dc49226229e24c4ff874d5f7f5e82f7647d785a

SHA512
1fcd84fdec97db5c6b5a9f35ea694ea29452fa8991852099bcd5414f3148a2248a98a07561b4449add087d0d1cf8995e3b751999ea7a485bdcb6d37bbb57ed5f

Download Submit
memory/2512-0-0x0000000074611000-0x0000000074612000-memory.dmp

Filesize
4KB

Download
memory/2512-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2512-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2512-14-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2920-15-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2920-16-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2920-17-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2920-29-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads