njrat | 815c8c4904fecee31ddb03098bb1278f626c4aac1b02c72d8d9a652dce79c201

General

Target

JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe
Size

68KB
MD5

bdba5dd4239130c024b30b90977aff8e
SHA1

697f1c88827eedeffc06053d835f04fdeaf78270
SHA256

815c8c4904fecee31ddb03098bb1278f626c4aac1b02c72d8d9a652dce79c201
SHA512

58f50e8a1fd67820977eefb5aa198a24d4408505b9091f1f405f534818adeda4c8c25ecae9cd82f03c7539148f650ffb4767d7d29f2e5fae17cfab05d30befcb
SSDEEP

1536:TRgVbkS1ZiP4ucT3eJG53G73mxdvd2sfE38m:T6VbdOP4RT32GhNv4ss3R

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

savioanon.ddns.net:1177

Mutex

1c03afaed74e953a16100fd22da4e063

Attributes

reg_key
1c03afaed74e953a16100fd22da4e063
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
3604	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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe

Executes dropped EXE 1 IoCs

pid	Process
4468	Windxc.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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\1c03afaed74e953a16100fd22da4e063 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Windxc.exe\" .."	Windxc.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\1c03afaed74e953a16100fd22da4e063 = "\"C:\\Users\\Admin\\AppData\\Roaming\\Windxc.exe\" .."	Windxc.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	Windxc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe

Suspicious behavior: EnumeratesProcesses 26 IoCs

pid	Process
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe
4468	Windxc.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4468	Windxc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 4468	1716	JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe	91
PID 1716 wrote to memory of 4468	1716	JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe	91
PID 1716 wrote to memory of 4468	1716	JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe	91
PID 4468 wrote to memory of 3604	4468	Windxc.exe	96
PID 4468 wrote to memory of 3604	4468	Windxc.exe	96
PID 4468 wrote to memory of 3604	4468	Windxc.exe	96

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_bdba5dd4239130c024b30b90977aff8e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Users\Admin\AppData\Roaming\Windxc.exe
  "C:\Users\Admin\AppData\Roaming\Windxc.exe"
  2⤵
  - 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:4468
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Windxc.exe" "Windxc.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3604

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

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Downloads

C:\Users\Admin\AppData\Roaming\Windxc.exe

Filesize
68KB

MD5
bdba5dd4239130c024b30b90977aff8e

SHA1
697f1c88827eedeffc06053d835f04fdeaf78270

SHA256
815c8c4904fecee31ddb03098bb1278f626c4aac1b02c72d8d9a652dce79c201

SHA512
58f50e8a1fd67820977eefb5aa198a24d4408505b9091f1f405f534818adeda4c8c25ecae9cd82f03c7539148f650ffb4767d7d29f2e5fae17cfab05d30befcb

Download Submit
memory/1716-20-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/1716-5-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/1716-3-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/1716-4-0x0000000004D80000-0x0000000004D8E000-memory.dmp

Filesize
56KB

Download
memory/1716-0-0x0000000074ECE000-0x0000000074ECF000-memory.dmp

Filesize
4KB

Download
memory/1716-6-0x00000000055B0000-0x0000000005B54000-memory.dmp

Filesize
5.6MB

Download
memory/1716-2-0x0000000004E70000-0x0000000004F0C000-memory.dmp

Filesize
624KB

Download
memory/1716-1-0x00000000004C0000-0x00000000004D8000-memory.dmp

Filesize
96KB

Download
memory/4468-19-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4468-21-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4468-22-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4468-23-0x0000000005480000-0x0000000005512000-memory.dmp

Filesize
584KB

Download
memory/4468-24-0x0000000005470000-0x000000000547A000-memory.dmp

Filesize
40KB

Download
memory/4468-25-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4468-26-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download
memory/4468-27-0x0000000074EC0000-0x0000000075670000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads