njrat | a49eaa46a8ae3eef440327ed2584391e11e25b4e21ef7494ee1fa64a79da074b

General

Target

2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe
Size

121KB
MD5

8e925eb0ba4d130df3247581e3a67ee4
SHA1

9412c506371043a97986d6e3a7a06faa07316ef5
SHA256

a49eaa46a8ae3eef440327ed2584391e11e25b4e21ef7494ee1fa64a79da074b
SHA512

35d70864eb6ec2835f37b43246b43efdaeb68ff4d38d4501bd4fb8c9a6b65357f6fe2ccbea749d1f24b56dbe19f8f9b631ce18817a518f4920caa7819911fad2
SSDEEP

1536:P589ZvRWu+cAMwflmsolaTIrRuw+mqbz9j1MWLQs:B89501M+lmsolAIrRuw+mqv9j1MWLQ

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

who-college.gl.at.ply.gg:33692

Mutex

6902b79845ea5609e3b40ff7042b1a29

Attributes

reg_key
6902b79845ea5609e3b40ff7042b1a29
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
2740	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2396	server.exe

Loads dropped DLL 1 IoCs

pid	Process
236	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\6902b79845ea5609e3b40ff7042b1a29 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6902b79845ea5609e3b40ff7042b1a29 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe
Token: 33	2396	server.exe
Token: SeIncBasePriorityPrivilege	2396	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 236 wrote to memory of 2396	236	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe	30
PID 236 wrote to memory of 2396	236	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe	30
PID 236 wrote to memory of 2396	236	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe	30
PID 236 wrote to memory of 2396	236	2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe	30
PID 2396 wrote to memory of 2740	2396	server.exe	32
PID 2396 wrote to memory of 2740	2396	server.exe	32
PID 2396 wrote to memory of 2740	2396	server.exe	32
PID 2396 wrote to memory of 2740	2396	server.exe	32

C:\Users\Admin\AppData\Local\Temp\2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe
"C:\Users\Admin\AppData\Local\Temp\2024-10-25_8e925eb0ba4d130df3247581e3a67ee4_hiddentear_njrat.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:236
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2396
- - 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:2740

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
121KB

MD5
8e925eb0ba4d130df3247581e3a67ee4

SHA1
9412c506371043a97986d6e3a7a06faa07316ef5

SHA256
a49eaa46a8ae3eef440327ed2584391e11e25b4e21ef7494ee1fa64a79da074b

SHA512
35d70864eb6ec2835f37b43246b43efdaeb68ff4d38d4501bd4fb8c9a6b65357f6fe2ccbea749d1f24b56dbe19f8f9b631ce18817a518f4920caa7819911fad2

Download Submit
memory/236-0-0x0000000074D11000-0x0000000074D12000-memory.dmp

Filesize
4KB

Download
memory/236-1-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/236-2-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/236-12-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-10-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-11-0x0000000074D10000-0x00000000752BB000-memory.dmp

Filesize
5.7MB

Download
memory/2396-13-0x0000000074D10000-0x00000000752BB000-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