44caliber | 518f22ac3dfb39779d6b21fdd230b71db39453f73b42f411009a0afe7dbbe818 | Triage

Sharing

General

Target

3E5BA25AA4F23CEB11BE209D1967E341.exe
Size

460KB
Sample

240217-yk6m8sad5y
MD5

3e5ba25aa4f23ceb11be209d1967e341
SHA1

c25a05acb5231776456d08fad7df0e48d92931c0
SHA256

518f22ac3dfb39779d6b21fdd230b71db39453f73b42f411009a0afe7dbbe818
SHA512

184243d51766bf8d292308e0177046f88e0eb55201eddc9d14670dd3d526c5ed6026c03c88227698670f451f43a3e4f1378f51f2334a9b54d83bb2bc677b0c04
SSDEEP

6144:jE+yclwQKjdn+WPtYVJIoBfRT+tkbOSeC2xDjAzQeOOg7Y55HkVSGsc:jBdlwHRn+WlYV+8T+tkKC0EEE17HkV8c

Score

10^/10

44caliber njrat hacked evasion persistence spyware stealer trojan

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1199323175729758268/CBdP8e3cXbL0ED8xKBhMw0ikKHmITu-6CI4WjfttZm2aWGZGjp43Msrjwp8AVeEBf6T1

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

mary-cottage.gl.at.ply.gg:10652

Mutex

9902b29d6de7130c2f409ab27fb09fa7

Attributes

reg_key
9902b29d6de7130c2f409ab27fb09fa7
splitter
|'|'|

Targets

- Target
  
  3E5BA25AA4F23CEB11BE209D1967E341.exe
- Size
  
  460KB
- MD5
  
  3e5ba25aa4f23ceb11be209d1967e341
- SHA1
  
  c25a05acb5231776456d08fad7df0e48d92931c0
- SHA256
  
  518f22ac3dfb39779d6b21fdd230b71db39453f73b42f411009a0afe7dbbe818
- SHA512
  
  184243d51766bf8d292308e0177046f88e0eb55201eddc9d14670dd3d526c5ed6026c03c88227698670f451f43a3e4f1378f51f2334a9b54d83bb2bc677b0c04
- SSDEEP
  
  6144:jE+yclwQKjdn+WPtYVJIoBfRT+tkbOSeC2xDjAzQeOOg7Y55HkVSGsc:jBdlwHRn+WlYV+8T+tkKC0EEE17HkV8c
Score

10^/10

44caliber njrat hacked evasion persistence spyware stealer trojan
- 44Caliber
  An open source infostealer written in C#.
  stealer 44caliber
- njRAT/Bladabindi
  Widely used RAT written in .NET.
  trojan njrat
- Modifies Windows Firewall
  evasion
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- Accesses cryptocurrency files/wallets, possible credential harvesting
  spyware
- Adds Run key to start application
  persistence
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Modify Registry

Credential Access

Unsecured Credentials

Credentials In Files

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Data from Local System

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

44calibernjrathackedevasionpersistencespywarestealertrojan

behavioral2

44calibernjratevasionpersistencespywarestealertrojan