njrat | 425484879bc522311f58d73856dd35540920ca18f95468a7d4fb2dec664e92fe

General

Target

JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe
Size

68KB
MD5

3cca3317e716b30530103dd063737a1e
SHA1

bbcd083dc5c8d7fdf52f56e0464d99080f8ad89a
SHA256

425484879bc522311f58d73856dd35540920ca18f95468a7d4fb2dec664e92fe
SHA512

267b991fa60b89218e9c3094f1a82d962f9de4fa16aa2db438bb47ef104ddd36638fe674bf9350912e90b0d1d6b3764d05000ccd638084b243a772db71945521
SSDEEP

768:NOE4DGJI10loASkuZds66b1DQNq+tsPUy7A46LSPY/Hc/6lIBywSv:UlDX10lnSjds66ZD5+toT6LScK6lIc

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

23f0e3bce589df29a3e6f3e8879b41c1

Attributes

reg_key
23f0e3bce589df29a3e6f3e8879b41c1
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
4616	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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe

Executes dropped EXE 1 IoCs

pid	Process
3460	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	JaffaCakes118_3cca3317e716b30530103dd063737a1e.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	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe
Token: 33	3460	server.exe
Token: SeIncBasePriorityPrivilege	3460	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2032 wrote to memory of 3460	2032	JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe	82
PID 2032 wrote to memory of 3460	2032	JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe	82
PID 2032 wrote to memory of 3460	2032	JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe	82
PID 3460 wrote to memory of 4616	3460	server.exe	83
PID 3460 wrote to memory of 4616	3460	server.exe	83
PID 3460 wrote to memory of 4616	3460	server.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3cca3317e716b30530103dd063737a1e.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2032
- 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:3460
- - 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:4616

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\server.exe

Filesize
68KB

MD5
3cca3317e716b30530103dd063737a1e

SHA1
bbcd083dc5c8d7fdf52f56e0464d99080f8ad89a

SHA256
425484879bc522311f58d73856dd35540920ca18f95468a7d4fb2dec664e92fe

SHA512
267b991fa60b89218e9c3094f1a82d962f9de4fa16aa2db438bb47ef104ddd36638fe674bf9350912e90b0d1d6b3764d05000ccd638084b243a772db71945521

Download Submit
memory/2032-0-0x0000000074A7E000-0x0000000074A7F000-memory.dmp

Filesize
4KB

Download
memory/2032-1-0x00000000003B0000-0x00000000003C8000-memory.dmp

Filesize
96KB

Download
memory/2032-2-0x0000000004DB0000-0x0000000004E4C000-memory.dmp

Filesize
624KB

Download
memory/2032-3-0x00000000026D0000-0x00000000026DA000-memory.dmp

Filesize
40KB

Download
memory/2032-4-0x00000000055A0000-0x0000000005B44000-memory.dmp

Filesize
5.6MB

Download
memory/3460-17-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3460-18-0x00000000055A0000-0x0000000005632000-memory.dmp

Filesize
584KB

Download
memory/3460-19-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3460-20-0x0000000005500000-0x000000000550A000-memory.dmp

Filesize
40KB

Download
memory/3460-21-0x0000000074A70000-0x0000000075220000-memory.dmp

Filesize
7.7MB

Download
memory/3460-22-0x0000000074A70000-0x0000000075220000-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