njrat | 19ba2b0bdbb7794da2f84ce4b601163d0ddaa61bb3b6e20b9210d859e4a83ad8

General

Target

JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe
Size

400KB
MD5

540286ff47adaebefe6a2e0f2b9eb710
SHA1

4d8c8a563084b2b78a191ec5038f13c38f8589d5
SHA256

19ba2b0bdbb7794da2f84ce4b601163d0ddaa61bb3b6e20b9210d859e4a83ad8
SHA512

ef3d2a1f42c21f6d0902e544399c6bab8974482ce207617b3e122dc4227445972c6da0a0816b2a78f348c357e1bf37177dfa105fc6285ffce9d250281ea2c600
SSDEEP

3072:lLkX4uRAiZ+odTV2UELRqnSFLW7RE+n/5t+mbbwkqZWQIpjFaI5SFQ9cRWFgvU/h:lwOkHbr1GU/gJ

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
1356	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe

Executes dropped EXE 1 IoCs

pid	Process
976	connect.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_540286ff47adaebefe6a2e0f2b9eb710.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	connect.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe
Token: 33	976	connect.exe
Token: SeIncBasePriorityPrivilege	976	connect.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3656 wrote to memory of 976	3656	JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe	85
PID 3656 wrote to memory of 976	3656	JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe	85
PID 3656 wrote to memory of 976	3656	JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe	85
PID 976 wrote to memory of 1356	976	connect.exe	93
PID 976 wrote to memory of 1356	976	connect.exe	93
PID 976 wrote to memory of 1356	976	connect.exe	93

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_540286ff47adaebefe6a2e0f2b9eb710.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Users\Admin\AppData\Local\Temp\connect.exe
  "C:\Users\Admin\AppData\Local\Temp\connect.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:976
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\connect.exe" "connect.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1356

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\connect.exe

Filesize
400KB

MD5
540286ff47adaebefe6a2e0f2b9eb710

SHA1
4d8c8a563084b2b78a191ec5038f13c38f8589d5

SHA256
19ba2b0bdbb7794da2f84ce4b601163d0ddaa61bb3b6e20b9210d859e4a83ad8

SHA512
ef3d2a1f42c21f6d0902e544399c6bab8974482ce207617b3e122dc4227445972c6da0a0816b2a78f348c357e1bf37177dfa105fc6285ffce9d250281ea2c600

Download Submit
memory/976-16-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/976-15-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/976-17-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/976-20-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-0-0x0000000074742000-0x0000000074743000-memory.dmp

Filesize
4KB

Download
memory/3656-1-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-2-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-18-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download
memory/3656-19-0x0000000074740000-0x0000000074CF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads