njrat | 9d819d361dde7d350a39060625fe9eaaefc6ed1613bf3ee3686bf56ed3a19103

General

Target

ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe
Size

22KB
MD5

ca2a5c2d18b75e54903592145d1b7714
SHA1

8cafe9a94498027b30e3cb8b1008e4e76b40695f
SHA256

9d819d361dde7d350a39060625fe9eaaefc6ed1613bf3ee3686bf56ed3a19103
SHA512

684c773a2e3067426de0028fa66732a6de014bad0efc0a35dc6e63c97f83b36bf9c328e2227113ef9719fb4dc61001e46f171dbf048b4e1c66d4d715082b2b4a
SSDEEP

384:9QeCo2zmZbQHkJeCdUwBvQ61gjuQBnB9mRvR6JZlbw8hqIusZzZY3:y5yBVd7Rpcnux

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
3952	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	server.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	ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe
Token: 33	5076	server.exe
Token: SeIncBasePriorityPrivilege	5076	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3328 wrote to memory of 5076	3328	ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe	94
PID 3328 wrote to memory of 5076	3328	ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe	94
PID 3328 wrote to memory of 5076	3328	ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe	94
PID 5076 wrote to memory of 3952	5076	server.exe	98
PID 5076 wrote to memory of 3952	5076	server.exe	98
PID 5076 wrote to memory of 3952	5076	server.exe	98

C:\Users\Admin\AppData\Local\Temp\ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ca2a5c2d18b75e54903592145d1b7714_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3328
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5076
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3952

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

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\server.exe

Filesize
22KB

MD5
ca2a5c2d18b75e54903592145d1b7714

SHA1
8cafe9a94498027b30e3cb8b1008e4e76b40695f

SHA256
9d819d361dde7d350a39060625fe9eaaefc6ed1613bf3ee3686bf56ed3a19103

SHA512
684c773a2e3067426de0028fa66732a6de014bad0efc0a35dc6e63c97f83b36bf9c328e2227113ef9719fb4dc61001e46f171dbf048b4e1c66d4d715082b2b4a

Download Submit
memory/3328-0-0x0000000075062000-0x0000000075063000-memory.dmp

Filesize
4KB

Download
memory/3328-1-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/3328-2-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/3328-13-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/5076-12-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/5076-14-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download
memory/5076-15-0x0000000075060000-0x0000000075611000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads