njrat | 2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af

General

Target

svchost.exe
Size

23KB
MD5

fe65e21ee42fd764716943a1bf1fe638
SHA1

854c5afd287f44b760aceaba2541fb34c5bff365
SHA256

2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af
SHA512

3bf488655b5fe7cc3917fac0ae5e8743b9325675e20ee958af05e33b9acc675c8e97c1a83d0b65fe6f770096e545a61ee78ca9210ca8ff94d1896dda4731fc2e
SSDEEP

384:MDbJ2T4JjWZFNwXd0eiNUSmvt6agw+t7OxQmRvR6JZlbw8hqIusZzZPp:nT2CZ1NQRpcnuG

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

C2

147.50.253.94:5557

Mutex

a50eb2cdc1c4cff9d0b54be4964c226d

Attributes

reg_key
a50eb2cdc1c4cff9d0b54be4964c226d
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
2868	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1152	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
860	svchost.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\a50eb2cdc1c4cff9d0b54be4964c226d = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a50eb2cdc1c4cff9d0b54be4964c226d = "\"C:\\Users\\Admin\\svchost.exe\" .."	svchost.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	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe
Token: 33	1152	svchost.exe
Token: SeIncBasePriorityPrivilege	1152	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 860 wrote to memory of 1152	860	svchost.exe	30
PID 860 wrote to memory of 1152	860	svchost.exe	30
PID 860 wrote to memory of 1152	860	svchost.exe	30
PID 860 wrote to memory of 1152	860	svchost.exe	30
PID 1152 wrote to memory of 2868	1152	svchost.exe	31
PID 1152 wrote to memory of 2868	1152	svchost.exe	31
PID 1152 wrote to memory of 2868	1152	svchost.exe	31
PID 1152 wrote to memory of 2868	1152	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\svchost.exe
"C:\Users\Admin\AppData\Local\Temp\svchost.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:860
- C:\Users\Admin\svchost.exe
  "C:\Users\Admin\svchost.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:1152
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2868

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\svchost.exe

Filesize
23KB

MD5
fe65e21ee42fd764716943a1bf1fe638

SHA1
854c5afd287f44b760aceaba2541fb34c5bff365

SHA256
2f0c3425f42cc767ed0735bd688b6c41b8996f0b07943284509bd6200d03f6af

SHA512
3bf488655b5fe7cc3917fac0ae5e8743b9325675e20ee958af05e33b9acc675c8e97c1a83d0b65fe6f770096e545a61ee78ca9210ca8ff94d1896dda4731fc2e

Download Submit
memory/860-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

Filesize
4KB

Download
memory/860-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/860-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/860-12-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1152-10-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1152-11-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/1152-13-0x0000000074D50000-0x00000000752FB000-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