njrat | 5667c5beb1b1a9ec830a432202098352750d1baa7ddb710bf179d0fd0e568c3e

General

Target

JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe
Size

29KB
MD5

51ec4cf6280fefd1a63c24bdc123a910
SHA1

cf8ff8a09a2d583d1b3d7627141b1c784f6f3eee
SHA256

5667c5beb1b1a9ec830a432202098352750d1baa7ddb710bf179d0fd0e568c3e
SHA512

7d2f7529d6ef2f1079e2fe39d9ad36d5550f1eafff317626bf5b97a05e6c477ee8c5515b12a1d526a07629016ab36ec5863d312a936d0f6124a96ddfcd32e48d
SSDEEP

384:mos5l7l7EMrof6oy135BW2HGmmWD5jQEe0cGBsbh0w4wlAokw9OhgOL1vYRGOZzC:q7GMroynRJHwW9QEe+BKh0p29SgRiF

Score

10^/10

njrat dooda discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Dooda

C2

fucker-hacked.no-ip.biz:1177

Mutex

cd9e051ed80df1a0c0b000059793bab8

Attributes

reg_key
cd9e051ed80df1a0c0b000059793bab8
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
2352	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd9e051ed80df1a0c0b000059793bab8.exe	Trojan.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd9e051ed80df1a0c0b000059793bab8.exe	Trojan.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
1968	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\cd9e051ed80df1a0c0b000059793bab8 = "\"C:\\ProgramData\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\cd9e051ed80df1a0c0b000059793bab8 = "\"C:\\ProgramData\\Trojan.exe\" .."	Trojan.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	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe
2056	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1968 wrote to memory of 2056	1968	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe	30
PID 1968 wrote to memory of 2056	1968	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe	30
PID 1968 wrote to memory of 2056	1968	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe	30
PID 1968 wrote to memory of 2056	1968	JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe	30
PID 2056 wrote to memory of 2352	2056	Trojan.exe	31
PID 2056 wrote to memory of 2352	2056	Trojan.exe	31
PID 2056 wrote to memory of 2352	2056	Trojan.exe	31
PID 2056 wrote to memory of 2352	2056	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_51ec4cf6280fefd1a63c24bdc123a910.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1968
- C:\ProgramData\Trojan.exe
  "C:\ProgramData\Trojan.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:2056
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\ProgramData\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2352

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\Trojan.exe

Filesize
29KB

MD5
51ec4cf6280fefd1a63c24bdc123a910

SHA1
cf8ff8a09a2d583d1b3d7627141b1c784f6f3eee

SHA256
5667c5beb1b1a9ec830a432202098352750d1baa7ddb710bf179d0fd0e568c3e

SHA512
7d2f7529d6ef2f1079e2fe39d9ad36d5550f1eafff317626bf5b97a05e6c477ee8c5515b12a1d526a07629016ab36ec5863d312a936d0f6124a96ddfcd32e48d

Download Submit
memory/1968-0-0x00000000740A1000-0x00000000740A2000-memory.dmp

Filesize
4KB

Download
memory/1968-1-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-2-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/1968-10-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-13-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-12-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-11-0x00000000740A0000-0x000000007464B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-15-0x00000000740A0000-0x000000007464B000-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