njrat | 4ec0ed4f04a5e091eb8b2f9189e4e6f50dc5c107c3d47e69691fda901a2e0686

General

Target

22497ED35962BA4106D6CD6751AFD06B.exe
Size

333KB
MD5

22497ed35962ba4106d6cd6751afd06b
SHA1

2010377a9652e65e3e3cce583b06b2232857d8bf
SHA256

4ec0ed4f04a5e091eb8b2f9189e4e6f50dc5c107c3d47e69691fda901a2e0686
SHA512

f2f2dd11679619363be076d33d2147f5ff6c248b378e4fdd2b2e688c3e1a4d32d8287f38f4d313170aae50390c909d3fcef2d9cdf0c58cc66b2df2045518cc52
SSDEEP

6144:vnJMBDdqCP+Y+RJ92nf5O3lPXhRVtGJYub8Upa61MbRDI0zzx/vnG2pFgLbW:vniBB+RJ92nfo3BhRVMBGvOW

Score

10^/10

njrat hacked evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

leechon.hackcrack.io:1111

Mutex

Bluetooth Uninstall Device Task

Attributes

reg_key
Bluetooth Uninstall Device Task
splitter
|'|'|

Signatures

Njrat family
njrat
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
2956	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2900	bthudtask.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\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Bluetooth Uninstall Device Task = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\bthudtask.exe\" ."	bthudtask.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bluetooth Uninstall Device Task = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\bthudtask.exe\" ."	bthudtask.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\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe
Token: 33	2900	bthudtask.exe
Token: SeIncBasePriorityPrivilege	2900	bthudtask.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 2900	1764	22497ED35962BA4106D6CD6751AFD06B.exe	31
PID 1764 wrote to memory of 2900	1764	22497ED35962BA4106D6CD6751AFD06B.exe	31
PID 1764 wrote to memory of 2900	1764	22497ED35962BA4106D6CD6751AFD06B.exe	31
PID 2900 wrote to memory of 2956	2900	bthudtask.exe	32
PID 2900 wrote to memory of 2956	2900	bthudtask.exe	32
PID 2900 wrote to memory of 2956	2900	bthudtask.exe	32

C:\Users\Admin\AppData\Local\Temp\22497ED35962BA4106D6CD6751AFD06B.exe
"C:\Users\Admin\AppData\Local\Temp\22497ED35962BA4106D6CD6751AFD06B.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\bthudtask.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\bthudtask.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2900
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\bthudtask.exe" "bthudtask.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:2956

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\bthudtask.exe

Filesize
333KB

MD5
22497ed35962ba4106d6cd6751afd06b

SHA1
2010377a9652e65e3e3cce583b06b2232857d8bf

SHA256
4ec0ed4f04a5e091eb8b2f9189e4e6f50dc5c107c3d47e69691fda901a2e0686

SHA512
f2f2dd11679619363be076d33d2147f5ff6c248b378e4fdd2b2e688c3e1a4d32d8287f38f4d313170aae50390c909d3fcef2d9cdf0c58cc66b2df2045518cc52

Download Submit
memory/1764-0-0x000007FEF5E7E000-0x000007FEF5E7F000-memory.dmp

Filesize
4KB

Download
memory/1764-1-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1764-2-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/1764-3-0x0000000000350000-0x000000000035C000-memory.dmp

Filesize
48KB

Download
memory/1764-9-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2900-10-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2900-11-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download
memory/2900-12-0x000007FEF5BC0000-0x000007FEF655D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads