njrat | 3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649

General

Target

3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe
Size

80KB
MD5

3a34fff5558946f770cd4c5aefb030b0
SHA1

cda1596e44a0f29c683f533b2c11ba9f03e90673
SHA256

3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649
SHA512

3917a8dceebda87e66901341d6002858ffdee1b7cd6d625b5b5e083c1ba8878dbc2e2e5040abce4b7a936d50e1e7ab173b01600d734b4c39108c8f697355fbb6
SSDEEP

768:UDB4tow5DMLPGWmKULeVagylnly/LtQOmmKsjYy6nPQfg3MVNJ5EpRM7di/F:amawNMLPFULeVXely/xsmZYZofAeWF

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

ngm.ddns.net:6060

Mutex

42b6019350ac5d33a1fa8d0a74849f88

Attributes

reg_key
42b6019350ac5d33a1fa8d0a74849f88
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
2812	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
1052	634.exe
1808	server.exe

Loads dropped DLL 1 IoCs

pid	Process
1052	634.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\42b6019350ac5d33a1fa8d0a74849f88 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\42b6019350ac5d33a1fa8d0a74849f88 = "\"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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	634.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe
Token: 33	1808	server.exe
Token: SeIncBasePriorityPrivilege	1808	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 548 wrote to memory of 1052	548	3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe	32
PID 548 wrote to memory of 1052	548	3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe	32
PID 548 wrote to memory of 1052	548	3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe	32
PID 548 wrote to memory of 1052	548	3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe	32
PID 1052 wrote to memory of 1808	1052	634.exe	33
PID 1052 wrote to memory of 1808	1052	634.exe	33
PID 1052 wrote to memory of 1808	1052	634.exe	33
PID 1052 wrote to memory of 1808	1052	634.exe	33
PID 1808 wrote to memory of 2812	1808	server.exe	34
PID 1808 wrote to memory of 2812	1808	server.exe	34
PID 1808 wrote to memory of 2812	1808	server.exe	34
PID 1808 wrote to memory of 2812	1808	server.exe	34

C:\Users\Admin\AppData\Local\Temp\3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe
"C:\Users\Admin\AppData\Local\Temp\3b9380136a78bbcaddb4b35df124ff4bc6843448b663435e74208f2f8e443649N.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:548
- C:\Users\Admin\AppData\Local\Temp\634.exe
  C:\Users\Admin\AppData\Local\Temp\634.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1052
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:1808
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2812

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

C:\Users\Admin\AppData\Local\Temp\634.exe

Filesize
23KB

MD5
0d8a343211304f814f65335471e575ee

SHA1
d1ab93fd810e66c3d907c90e9453b32a643745ce

SHA256
a21da1a7600570c13dd498a96168563683f1606ee0ea79e934aafff7d78f4fad

SHA512
0d0a86604b41a06f090d9e2c51a3c27e4ed33b82379861b612a89f00cda5f135854ce0be62ac029cd44ea2b7bc3f3e4ff18a1cdce65fe97f0da9e0afe61ea7db

Download Submit
memory/548-0-0x000007FEF602E000-0x000007FEF602F000-memory.dmp

Filesize
4KB

Download
memory/548-6-0x000007FEF5D70000-0x000007FEF670D000-memory.dmp

Filesize
9.6MB

Download
memory/548-18-0x000007FEF5D70000-0x000007FEF670D000-memory.dmp

Filesize
9.6MB

Download
memory/1052-8-0x0000000074712000-0x0000000074714000-memory.dmp

Filesize
8KB

Download
memory/1052-7-0x0000000002210000-0x0000000002250000-memory.dmp

Filesize
256KB

Download
memory/1052-9-0x0000000074710000-0x0000000074CBB000-memory.dmp

Filesize
5.7MB

Download
memory/1052-17-0x0000000074710000-0x0000000074CBB000-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