njrat | 000996e02592d6f5216a77464baff2591739b5cb35a8ad930a5424c9099c7e11

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/03/2025, 06:33

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General

Target

0eb27c638574f831cab876ce13b9043a.exe
Size

23KB
MD5

0eb27c638574f831cab876ce13b9043a
SHA1

8b45b593edc1e9539e68106c087ccf71c2eb83b0
SHA256

209439e5a5d515be5ca3f5c578103301e52f08e7357fe0a882dbb725c75903b5
SHA512

bf7789c5afd1307ed351d7cf85995f67892b09a0d361b560bdc83163bbc163cea24c3fac763b4588124700f631d7ecf0c38073bd3bc4eb98ac1c4a964e6f73eb
SSDEEP

384:JPTWSEFDn65Egj6RGiYCINTY6xgXakh2oZDJmRvR6JZlbw8hqIusZzZ3Kgc:Jfm7OM9YX0MRpcnuoK1

Score

10^/10

njrat https://uloz.to/defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

https://uloz.to/

kamel-hacker.no-ip.biz:1188

Mutex

07f06f409b0231ba4f84af2f218145fb

Attributes

reg_key
07f06f409b0231ba4f84af2f218145fb
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
2740	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\07f06f409b0231ba4f84af2f218145fb.exe	taskmgr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\07f06f409b0231ba4f84af2f218145fb.exe	taskmgr.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	taskmgr.exe

Loads dropped DLL 1 IoCs

pid	Process
2364	0eb27c638574f831cab876ce13b9043a.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\07f06f409b0231ba4f84af2f218145fb = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskmgr.exe\" .."	taskmgr.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\07f06f409b0231ba4f84af2f218145fb = "\"C:\\Users\\Admin\\AppData\\Roaming\\taskmgr.exe\" .."	taskmgr.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	0eb27c638574f831cab876ce13b9043a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe
Token: 33	2452	taskmgr.exe
Token: SeIncBasePriorityPrivilege	2452	taskmgr.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2452	2364	0eb27c638574f831cab876ce13b9043a.exe	31
PID 2364 wrote to memory of 2452	2364	0eb27c638574f831cab876ce13b9043a.exe	31
PID 2364 wrote to memory of 2452	2364	0eb27c638574f831cab876ce13b9043a.exe	31
PID 2364 wrote to memory of 2452	2364	0eb27c638574f831cab876ce13b9043a.exe	31
PID 2452 wrote to memory of 2740	2452	taskmgr.exe	32
PID 2452 wrote to memory of 2740	2452	taskmgr.exe	32
PID 2452 wrote to memory of 2740	2452	taskmgr.exe	32
PID 2452 wrote to memory of 2740	2452	taskmgr.exe	32

C:\Users\Admin\AppData\Local\Temp\0eb27c638574f831cab876ce13b9043a.exe
"C:\Users\Admin\AppData\Local\Temp\0eb27c638574f831cab876ce13b9043a.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Roaming\taskmgr.exe
  "C:\Users\Admin\AppData\Roaming\taskmgr.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\taskmgr.exe" "taskmgr.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2740

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Modify Registry

T1112

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

C:\Users\Admin\AppData\Roaming\taskmgr.exe

Filesize
23KB

MD5
0eb27c638574f831cab876ce13b9043a

SHA1
8b45b593edc1e9539e68106c087ccf71c2eb83b0

SHA256
209439e5a5d515be5ca3f5c578103301e52f08e7357fe0a882dbb725c75903b5

SHA512
bf7789c5afd1307ed351d7cf85995f67892b09a0d361b560bdc83163bbc163cea24c3fac763b4588124700f631d7ecf0c38073bd3bc4eb98ac1c4a964e6f73eb

Download Submit
memory/2364-0-0x0000000074BB1000-0x0000000074BB2000-memory.dmp

Filesize
4KB

Download
memory/2364-1-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-2-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2364-11-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2452-10-0x0000000074BB0000-0x000000007515B000-memory.dmp

Filesize
5.7MB

Download
memory/2452-13-0x0000000074BB0000-0x000000007515B000-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