njrat | d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80

General

Target

JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe
Size

24KB
MD5

65f4a96297b370caea9d1ccdd31e2270
SHA1

94c2f59f019840ede04857317648410a57cf10ea
SHA256

d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80
SHA512

8115e2462741c82213827b36b37568b8aec912d4cadb0455b7635a3ac71baca7178b612214f1ca9e1cb029b3c5dbdbbcec89ebeba99b3ab4f99f3f3b4b14d4a2
SSDEEP

384:8sqSefmxpDQcx2cSusSUtL+06jgFACcyMZZjvRmRvR6JZlbw8hqIusZzZ9t:DVhL1sSFPyqgRpcnuE

Score

10^/10

njrat xxx discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

xXx

C2

127.0.0.1:9200

Mutex

aea8f84570c5d2216045d7b2ed936eb3

Attributes

reg_key
aea8f84570c5d2216045d7b2ed936eb3
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
2864	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aea8f84570c5d2216045d7b2ed936eb3.exe	dlhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\aea8f84570c5d2216045d7b2ed936eb3.exe	dlhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2988	dlhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2248	JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\aea8f84570c5d2216045d7b2ed936eb3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlhost.exe\" .."	dlhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\aea8f84570c5d2216045d7b2ed936eb3 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\dlhost.exe\" .."	dlhost.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_65f4a96297b370caea9d1ccdd31e2270.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dlhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe
Token: 33	2988	dlhost.exe
Token: SeIncBasePriorityPrivilege	2988	dlhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2248 wrote to memory of 2988	2248	JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe	30
PID 2248 wrote to memory of 2988	2248	JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe	30
PID 2248 wrote to memory of 2988	2248	JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe	30
PID 2248 wrote to memory of 2988	2248	JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe	30
PID 2988 wrote to memory of 2864	2988	dlhost.exe	31
PID 2988 wrote to memory of 2864	2988	dlhost.exe	31
PID 2988 wrote to memory of 2864	2988	dlhost.exe	31
PID 2988 wrote to memory of 2864	2988	dlhost.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_65f4a96297b370caea9d1ccdd31e2270.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2248
- C:\Users\Admin\AppData\Local\Temp\dlhost.exe
  "C:\Users\Admin\AppData\Local\Temp\dlhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2988
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\dlhost.exe" "dlhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2864

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:\Users\Admin\AppData\Local\Temp\dlhost.exe

Filesize
24KB

MD5
65f4a96297b370caea9d1ccdd31e2270

SHA1
94c2f59f019840ede04857317648410a57cf10ea

SHA256
d562389df672af8ad2695e08fc44e6895110f629de3464587ec8289375038a80

SHA512
8115e2462741c82213827b36b37568b8aec912d4cadb0455b7635a3ac71baca7178b612214f1ca9e1cb029b3c5dbdbbcec89ebeba99b3ab4f99f3f3b4b14d4a2

Download Submit
memory/2248-0-0x0000000074611000-0x0000000074612000-memory.dmp

Filesize
4KB

Download
memory/2248-1-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2248-2-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2248-10-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-11-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-13-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-12-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download
memory/2988-15-0x0000000074610000-0x0000000074BBB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads