njrat | c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fb

General

Target

c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe
Size

1017KB
MD5

b9d1281cc35d5a9e43e5a973f252add0
SHA1

55cccb436a78a85325d8a3ca8df529bdd855a648
SHA256

c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fb
SHA512

28ec43eee9520807d496e1cf4e90348cedc480ba7e345c9b69cb2586fa1c3937c9f1b951b3deecd51e7fb04f4c2c265abb01abc2ff6e764c9c468143925cd015
SSDEEP

12288:zZVVPwiE/xzp4yXyjHy15n4/7iFf/LnJFhP4lS8kGUb55aY6KoAjV3La1Ixd2hc6:z1wrp4/gAX+63YxWcE

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2760	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2812	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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\866940942622730158d6b7ceeeac0740 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\866940942622730158d6b7ceeeac0740 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch.new	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.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	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 2812	2420	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe	30
PID 2420 wrote to memory of 2812	2420	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe	30
PID 2420 wrote to memory of 2812	2420	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe	30
PID 2420 wrote to memory of 2812	2420	c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe	30
PID 2812 wrote to memory of 2760	2812	svchost.exe	31
PID 2812 wrote to memory of 2760	2812	svchost.exe	31
PID 2812 wrote to memory of 2760	2812	svchost.exe	31
PID 2812 wrote to memory of 2760	2812	svchost.exe	31

C:\Users\Admin\AppData\Local\Temp\c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe
"C:\Users\Admin\AppData\Local\Temp\c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fbN.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\svchost.exe
  "C:\Windows\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:2812
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2760

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\enterprisesec.config.cch

Filesize
516B

MD5
42b74ad14400a1c92753d6799fff6e87

SHA1
fb7ddc1f8e60e5db5acc8bab9f395bd64d4cf811

SHA256
57fd5317234234fdb7d86cb527a382317ab8e5588bafb3beafbfa588ad404a55

SHA512
1c41cf7be0c8e05dbc250eabd3a71c0e9c8810f4bf9e374a331b44a1d2b772add4369f47c27cc61d74b41bd730098cb589b8cd10441018621b8d0591e00ba128

Download Submit
C:\Windows\svchost.exe

Filesize
1017KB

MD5
b9d1281cc35d5a9e43e5a973f252add0

SHA1
55cccb436a78a85325d8a3ca8df529bdd855a648

SHA256
c52329b3f7d86f8845f0a8ac10ddf8f9197f65cee7db1afaac71fd66e29249fb

SHA512
28ec43eee9520807d496e1cf4e90348cedc480ba7e345c9b69cb2586fa1c3937c9f1b951b3deecd51e7fb04f4c2c265abb01abc2ff6e764c9c468143925cd015

Download Submit
memory/2420-0-0x0000000074D21000-0x0000000074D22000-memory.dmp

Filesize
4KB

Download
memory/2420-1-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-2-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2420-15-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-18-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-17-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-16-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download
memory/2812-19-0x0000000074D20000-0x00000000752CB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads