njrat | eec23b4f63c7f1e64f7f7daef27341b361997a2ad6fc43a6eaa5597fd888c811

General

Target

fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe
Size

424KB
MD5

fe4122261edf995548d6eeaeb5139510
SHA1

0479e00d5c8cd92d2a9bec52d2c1c0b3b83183ff
SHA256

eec23b4f63c7f1e64f7f7daef27341b361997a2ad6fc43a6eaa5597fd888c811
SHA512

252d5fda1ea470b7b10724051b7702add0a364845e986b87a401d3b4e1a777ff73196c6482b2a48abe7d7330407d0b8aa703cb4db03004011ab44355c98124ef
SSDEEP

12288:Lqdmggo/RmXY4z6ICGyn1p341LCKArMBgJS9UOIK:Ux/GD0cL6MCJSuOIK

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
2988	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
1504	Chrome.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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cf1d80da014a55f61bc484d4abd4495b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cf1d80da014a55f61bc484d4abd4495b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Chrome.exe\" .."	Chrome.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chrome.exe

Suspicious use of AdjustPrivilegeToken 34 IoCs

description	pid	Process
Token: SeDebugPrivilege	1256	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe
Token: SeDebugPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe
Token: 33	1504	Chrome.exe
Token: SeIncBasePriorityPrivilege	1504	Chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1256 wrote to memory of 1504	1256	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe	82
PID 1256 wrote to memory of 1504	1256	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe	82
PID 1256 wrote to memory of 1504	1256	fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe	82
PID 1504 wrote to memory of 2988	1504	Chrome.exe	88
PID 1504 wrote to memory of 2988	1504	Chrome.exe	88
PID 1504 wrote to memory of 2988	1504	Chrome.exe	88

C:\Users\Admin\AppData\Local\Temp\fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fe4122261edf995548d6eeaeb5139510_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1256
- C:\Users\Admin\AppData\Local\Temp\Chrome.exe
  "C:\Users\Admin\AppData\Local\Temp\Chrome.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1504
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Chrome.exe" "Chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2988

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

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\Chrome.exe

Filesize
424KB

MD5
fe4122261edf995548d6eeaeb5139510

SHA1
0479e00d5c8cd92d2a9bec52d2c1c0b3b83183ff

SHA256
eec23b4f63c7f1e64f7f7daef27341b361997a2ad6fc43a6eaa5597fd888c811

SHA512
252d5fda1ea470b7b10724051b7702add0a364845e986b87a401d3b4e1a777ff73196c6482b2a48abe7d7330407d0b8aa703cb4db03004011ab44355c98124ef

Download Submit
memory/1256-0-0x0000000074962000-0x0000000074963000-memory.dmp

Filesize
4KB

Download
memory/1256-1-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1256-2-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1256-15-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1504-16-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1504-17-0x0000000074960000-0x0000000074F11000-memory.dmp

Filesize
5.7MB

Download
memory/1504-18-0x0000000074960000-0x0000000074F11000-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