njrat | 324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90

General

Target

324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe
Size

32KB
MD5

c67eed120155cdf646a2510a6b003596
SHA1

82225def4effc77a5f36875f66b7c9adf39bdaea
SHA256

324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90
SHA512

c739d9583f2ea6a53f8bbb29db2190d57903ff62984b43a9894913ceab4badd661a8be0ecc321681a7bed748d65bf88ef1428123a3a99721929f12f56afa2c92
SSDEEP

384:qr0ZyYkmNYUo4gsiRNG34OWpHNFPIsKTOyElDXodg9TdFpyFEIGsJjwE7UMcrieO:lPVlENGopftZouDbEEIGfRf+f

Score

10^/10

njrat person_anonymous discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Botnet

Person_Anonymous

Mutex

b48bd383056441b474989fb5582a172b

Attributes

reg_key
b48bd383056441b474989fb5582a172b

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
2820	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b48bd383056441b474989fb5582a172b.exe	System32.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\b48bd383056441b474989fb5582a172b.exe	System32.exe

Executes dropped EXE 1 IoCs

pid	Process
532	System32.exe

Loads dropped DLL 1 IoCs

pid	Process
2900	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\b48bd383056441b474989fb5582a172b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b48bd383056441b474989fb5582a172b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\System32.exe\" .."	System32.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	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe
Token: 33	532	System32.exe
Token: SeIncBasePriorityPrivilege	532	System32.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2900 wrote to memory of 532	2900	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe	31
PID 2900 wrote to memory of 532	2900	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe	31
PID 2900 wrote to memory of 532	2900	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe	31
PID 2900 wrote to memory of 532	2900	324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe	31
PID 532 wrote to memory of 2820	532	System32.exe	32
PID 532 wrote to memory of 2820	532	System32.exe	32
PID 532 wrote to memory of 2820	532	System32.exe	32
PID 532 wrote to memory of 2820	532	System32.exe	32

C:\Users\Admin\AppData\Local\Temp\324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe
"C:\Users\Admin\AppData\Local\Temp\324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2900
- C:\Users\Admin\AppData\Local\Temp\System32.exe
  "C:\Users\Admin\AppData\Local\Temp\System32.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:532
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\System32.exe" "System32.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2820

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\System32.exe

Filesize
32KB

MD5
c67eed120155cdf646a2510a6b003596

SHA1
82225def4effc77a5f36875f66b7c9adf39bdaea

SHA256
324c53b81b626af489bb2a1d0a42cc88b4e7f18e291060503455ac1a7a4fce90

SHA512
c739d9583f2ea6a53f8bbb29db2190d57903ff62984b43a9894913ceab4badd661a8be0ecc321681a7bed748d65bf88ef1428123a3a99721929f12f56afa2c92

Download Submit
memory/532-12-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/532-10-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/532-14-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/532-15-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-0-0x00000000741F1000-0x00000000741F2000-memory.dmp

Filesize
4KB

Download
memory/2900-1-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-2-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2900-11-0x00000000741F0000-0x000000007479B000-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