njrat | 3547f76e9402311df65abf4d79c8d0c4176aae5788bfa29946f0aff512e90774

General

Target

JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe
Size

150KB
MD5

62255580a8d1305ebe87087a087ed5a0
SHA1

8b2fd336f183d902de31e4d35cf7e75059ad4417
SHA256

3547f76e9402311df65abf4d79c8d0c4176aae5788bfa29946f0aff512e90774
SHA512

8806e2bb4af41022791ee28e70a68191206b43af72c66acd91ff830b336c272e1c66024096666d7fd4e7ba4b5d518c0cc6a519970ca94242b25901b6fecf6010
SSDEEP

3072:QxLubV/ZyD7+kVXqit9gn1xJAUFr1qJ4zpuscooRCmVL4Jbr1fDtI:PbKXqOIUUvS4zpuscjCm54JBfZI

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2700	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ba4c12bee3027d94da5c81db2d196bfd.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
3068	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2376	JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.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\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ba4c12bee3027d94da5c81db2d196bfd = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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_62255580a8d1305ebe87087a087ed5a0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe
3068	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3068	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2376 wrote to memory of 3068	2376	JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe	31
PID 2376 wrote to memory of 3068	2376	JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe	31
PID 2376 wrote to memory of 3068	2376	JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe	31
PID 2376 wrote to memory of 3068	2376	JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe	31
PID 3068 wrote to memory of 2700	3068	svchost.exe	32
PID 3068 wrote to memory of 2700	3068	svchost.exe	32
PID 3068 wrote to memory of 2700	3068	svchost.exe	32
PID 3068 wrote to memory of 2700	3068	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_62255580a8d1305ebe87087a087ed5a0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2376
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.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:3068
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\svchost.exe" "svchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2700

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\svchost.exe

Filesize
150KB

MD5
62255580a8d1305ebe87087a087ed5a0

SHA1
8b2fd336f183d902de31e4d35cf7e75059ad4417

SHA256
3547f76e9402311df65abf4d79c8d0c4176aae5788bfa29946f0aff512e90774

SHA512
8806e2bb4af41022791ee28e70a68191206b43af72c66acd91ff830b336c272e1c66024096666d7fd4e7ba4b5d518c0cc6a519970ca94242b25901b6fecf6010

Download Submit
memory/2376-0-0x0000000074C11000-0x0000000074C12000-memory.dmp

Filesize
4KB

Download
memory/2376-1-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-2-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/2376-11-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3068-12-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3068-13-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3068-10-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3068-15-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download
memory/3068-16-0x0000000074C10000-0x00000000751BB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads