njrat | ef295d4914256847b5f0accbc001a5dda588e05e0c85fcb479eca30cb17aee18

General

Target

JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe
Size

29KB
MD5

599dec1733d7b4ec8fe1aa21dfed2abb
SHA1

905c256944efa5d3f5776490e990f3a6ed79fc07
SHA256

ef295d4914256847b5f0accbc001a5dda588e05e0c85fcb479eca30cb17aee18
SHA512

9e86230d5e017469a2320742d7b5d7341a457dbafa0c40ad1c094dd328b8cf82799775dceba3bf2ff84d8663a8c9f76c042139b8f17f586ce04f0b9976f7e93f
SSDEEP

768:Zv/27NYsDkf3mEMqw7ecBKh0p29SgRGr:Zm7N1XfdFKhG29jGr

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

unkusernj.ddns.net:1177

Mutex

a474c6d2b75d64b3ed1078b377b83c48

Attributes

reg_key
a474c6d2b75d64b3ed1078b377b83c48
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
2172	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a474c6d2b75d64b3ed1078b377b83c48.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a474c6d2b75d64b3ed1078b377b83c48.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
1272	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-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Windows\CurrentVersion\Run\a474c6d2b75d64b3ed1078b377b83c48 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a474c6d2b75d64b3ed1078b377b83c48 = "\"C:\\Windows\\svchost.exe\" .."	svchost.exe

Drops file in Windows directory 4 IoCs

description	ioc	Process
File created	C:\Windows\svchost.exe	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe
File opened for modification	C:\Windows\svchost.exe	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe
File created	C:\Windows\svchost.exe.tmp	svchost.exe
File opened for modification	C:\Windows\svchost.exe.tmp	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	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.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 39 IoCs

pid	Process
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe
1272	svchost.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1272	svchost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 1272	2360	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe	31
PID 2360 wrote to memory of 1272	2360	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe	31
PID 2360 wrote to memory of 1272	2360	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe	31
PID 2360 wrote to memory of 1272	2360	JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe	31
PID 1272 wrote to memory of 2172	1272	svchost.exe	32
PID 1272 wrote to memory of 2172	1272	svchost.exe	32
PID 1272 wrote to memory of 2172	1272	svchost.exe	32
PID 1272 wrote to memory of 2172	1272	svchost.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_599dec1733d7b4ec8fe1aa21dfed2abb.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Windows\svchost.exe
  "C:\Windows\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Drops file in Windows directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1272
- - 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:2172

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:\Windows\svchost.exe

Filesize
29KB

MD5
599dec1733d7b4ec8fe1aa21dfed2abb

SHA1
905c256944efa5d3f5776490e990f3a6ed79fc07

SHA256
ef295d4914256847b5f0accbc001a5dda588e05e0c85fcb479eca30cb17aee18

SHA512
9e86230d5e017469a2320742d7b5d7341a457dbafa0c40ad1c094dd328b8cf82799775dceba3bf2ff84d8663a8c9f76c042139b8f17f586ce04f0b9976f7e93f

Download Submit
memory/1272-9-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/1272-11-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/1272-13-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-0-0x0000000074C41000-0x0000000074C42000-memory.dmp

Filesize
4KB

Download
memory/2360-1-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-2-0x0000000074C40000-0x00000000751EB000-memory.dmp

Filesize
5.7MB

Download
memory/2360-10-0x0000000074C40000-0x00000000751EB000-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