agenttesla

General

Target

3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243.exe
Size

308KB
Sample

240515-bl765aac72
MD5

1ee185cb3b4f78f2a24e61798952178b
SHA1

8049b95b5250bad311950a218de4b9727e8f4579
SHA256

3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
SHA512

d16938efe9ec9936266e9c37b9c85b5f26cdfc66cc9c552186c3973ebed1c7e9f0f9f380f39cc113c03e7983dd9188a5e7292115748d78953101cfd359f0a93f
SSDEEP

3072:iOvQ/IaGuDfIeqpMTxV/wP8rjAILNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbO:FQIZe+MFVXx9stvLGtELbMUTKZ1H

Score

10^/10

Malware Config

Extracted

Family

asyncrat

Version

0.5.7B

Botnet

April3rd2024

C2

94.156.65.181:3434

Mutex

A234sdgrgMutex_6SI8OkPnk

Attributes

delay
3
install
false
install_folder
%AppData%

aes.plain

Targets

- Target
  
  3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243.exe
- Size
  
  308KB
- MD5
  
  1ee185cb3b4f78f2a24e61798952178b
- SHA1
  
  8049b95b5250bad311950a218de4b9727e8f4579
- SHA256
  
  3d75eede311931faf4dc46008199f7dc49a42237388ac8471c3a5a07432fb243
- SHA512
  
  d16938efe9ec9936266e9c37b9c85b5f26cdfc66cc9c552186c3973ebed1c7e9f0f9f380f39cc113c03e7983dd9188a5e7292115748d78953101cfd359f0a93f
- SSDEEP
  
  3072:iOvQ/IaGuDfIeqpMTxV/wP8rjAILNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbO:FQIZe+MFVXx9stvLGtELbMUTKZ1H
Score

10^/10

agenttesla asyncrat zgrat april3rd2024 keylogger persistence rat spyware stealer trojan
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- AsyncRat
  AsyncRAT is designed to remotely monitor and control other computers written in C#.
  rat asyncrat
- Detect ZGRat V1
- ZGRat
  ZGRat is remote access trojan written in C#.
  rat zgrat
- Async RAT payload
  rat
- Detect packed .NET executables. Mostly AgentTeslaV4.
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
- Detects executables referencing Windows vault credential objects. Observed in infostealers
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
- Detects executables referencing many email and collaboration clients. Observed in information stealers
- Detects executables referencing many file transfer clients. Observed in information stealers
- Detects file containing reversed ASEP Autorun registry keys
- Executes dropped EXE
- Loads dropped DLL
- Reads WinSCP keys stored on the system
  Tries to access WinSCP stored sessions.
  spyware stealer
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware stealer
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware stealer
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware stealer
- 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.
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Tasks

Sharing

General

Malware Config

Extracted

Targets

AsyncRat

Detect ZGRat V1

ZGRat

Async RAT payload

Detect packed .NET executables. Mostly AgentTeslaV4.

Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

Detects executables referencing Windows vault credential objects. Observed in infostealers

Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Detects executables referencing many email and collaboration clients. Observed in information stealers

Detects executables referencing many file transfer clients. Observed in information stealers

Detects file containing reversed ASEP Autorun registry keys

Executes dropped EXE

Loads dropped DLL

Reads WinSCP keys stored on the system

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Tasks

static1

behavioral1

behavioral2