njrat | d0518ad96b2c42c799f9f0dc50f9043c7881095c5c17c068c44241b808e10988

General

Target

sample.exe
Size

29KB
MD5

2a8847ebfe7ab2f15d166640d196b9ab
SHA1

5855abd2d9e15c9a7dfc96b08b737fe664433478
SHA256

19e0a51ad19bda6e5ddd16b4d3954dc959b832b3cd8c23478ee3524015bca350
SHA512

fcfc0077d8a40f1996b7eca425045c9f37ae28bd78b5dbf617fdd8cecd3162b603d968523e30ba04182989049b66dd41fde5f35edc54a12f10f9f82571075f7b
SSDEEP

768:j7RmpgGD1BH9D8qbILeuBKh0p29SgRs2:j7RKIcIrKhG29js2

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

blackmagix.no-ip.org:1177

Mutex

a49931bd13ad32f9534c94e1f51783c7

Attributes

reg_key
a49931bd13ad32f9534c94e1f51783c7
splitter
|'|'|

Signatures

Njrat family
njrat
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
2052	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a49931bd13ad32f9534c94e1f51783c7.exe	video.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a49931bd13ad32f9534c94e1f51783c7.exe	video.exe

Executes dropped EXE 1 IoCs

pid	Process
1984	video.exe

Loads dropped DLL 1 IoCs

pid	Process
2320	sample.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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\a49931bd13ad32f9534c94e1f51783c7 = "\"C:\\ProgramData\\video.exe\" .."	video.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a49931bd13ad32f9534c94e1f51783c7 = "\"C:\\ProgramData\\video.exe\" .."	video.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	sample.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	video.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe
1984	video.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	video.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2320 wrote to memory of 1984	2320	sample.exe	30
PID 2320 wrote to memory of 1984	2320	sample.exe	30
PID 2320 wrote to memory of 1984	2320	sample.exe	30
PID 2320 wrote to memory of 1984	2320	sample.exe	30
PID 1984 wrote to memory of 2052	1984	video.exe	31
PID 1984 wrote to memory of 2052	1984	video.exe	31
PID 1984 wrote to memory of 2052	1984	video.exe	31
PID 1984 wrote to memory of 2052	1984	video.exe	31

C:\Users\Admin\AppData\Local\Temp\sample.exe
"C:\Users\Admin\AppData\Local\Temp\sample.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2320
- C:\ProgramData\video.exe
  "C:\ProgramData\video.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1984
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\video.exe" "video.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2052

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

\ProgramData\video.exe

Filesize
29KB

MD5
2a8847ebfe7ab2f15d166640d196b9ab

SHA1
5855abd2d9e15c9a7dfc96b08b737fe664433478

SHA256
19e0a51ad19bda6e5ddd16b4d3954dc959b832b3cd8c23478ee3524015bca350

SHA512
fcfc0077d8a40f1996b7eca425045c9f37ae28bd78b5dbf617fdd8cecd3162b603d968523e30ba04182989049b66dd41fde5f35edc54a12f10f9f82571075f7b

Download Submit
memory/1984-12-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-11-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/1984-14-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2320-0-0x0000000074C01000-0x0000000074C02000-memory.dmp

Filesize
4KB

Download
memory/2320-1-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2320-2-0x0000000074C00000-0x00000000751AB000-memory.dmp

Filesize
5.7MB

Download
memory/2320-10-0x0000000074C00000-0x00000000751AB000-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