njrat | cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0

Analysis

max time kernel
147s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23/01/2025, 07:38

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General

Target

cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe
Size

29KB
MD5

a1a937e60363cc1a074d3a28a790d901
SHA1

76dfbb0fd9362af83a1079515388079d4b2fa0fd
SHA256

cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0
SHA512

0d4d8621d78a2c25d79aae93be5719ece952921f658974558ded2b2c8d4d24a05aeab012a5ddd8a7b2d487cb90f9d28801936ed4757fff0a656dbd82efe8939f
SSDEEP

384:BaFCtl7Dh+oqIqEXV5HEQTGumqDgN3eH6GBsbh0w4wlAokw9OhgOL1vYRGOZzKZB:P74oqIjlLTAqM3eFBKh0p29SgRcB

Score

10^/10

njrat hacker defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Hacker

ywsfalsysy.duckdns.org:1177

Mutex

8b8934ec24fc05c5f20511aa61ac2fa9

Attributes

reg_key
8b8934ec24fc05c5f20511aa61ac2fa9
splitter
|'|'|

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2896	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
3028	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2380	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe
3028	Server.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3028	Server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2380 wrote to memory of 3028	2380	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe	31
PID 2380 wrote to memory of 3028	2380	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe	31
PID 2380 wrote to memory of 3028	2380	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe	31
PID 2380 wrote to memory of 3028	2380	cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe	31
PID 3028 wrote to memory of 2896	3028	Server.exe	32
PID 3028 wrote to memory of 2896	3028	Server.exe	32
PID 3028 wrote to memory of 2896	3028	Server.exe	32
PID 3028 wrote to memory of 2896	3028	Server.exe	32

C:\Users\Admin\AppData\Local\Temp\cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe
"C:\Users\Admin\AppData\Local\Temp\cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2380
- C:\Users\Admin\AppData\Roaming\Server.exe
  "C:\Users\Admin\AppData\Roaming\Server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3028
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Server.exe" "Server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2896

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\Server.exe

Filesize
29KB

MD5
a1a937e60363cc1a074d3a28a790d901

SHA1
76dfbb0fd9362af83a1079515388079d4b2fa0fd

SHA256
cee7fe6594f75c3c29a6ddf4cfe2ba8b20747c5faed3a9171fc3897e383cd3e0

SHA512
0d4d8621d78a2c25d79aae93be5719ece952921f658974558ded2b2c8d4d24a05aeab012a5ddd8a7b2d487cb90f9d28801936ed4757fff0a656dbd82efe8939f

Download Submit
memory/2380-0-0x0000000074C11000-0x0000000074C12000-memory.dmp

Filesize
4KB

Download
memory/2380-1-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-2-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/2380-11-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-10-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-12-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3028-13-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download