agenttesla

General

Target

A6563764.exe
Size

506KB
Sample

201109-mhrly1q9gs
MD5

8f366af5c2c53e79ca0c9266f78579a5
SHA1

49764c16ce6035d15ada170f1890066f1e376177
SHA256

919b877e9c76be62e66d349905d10c8bff2613cb1d1b01ee39493dbdbc3b6c32
SHA512

3c1829b0000769a8702ad299233e9cf26c33d3d9fac6cd6d47c7139ac45537bb470725f9977f7c3c0f2a07d2c71fa6408526e6e30fbe7ff90ed7a3d08b9afe94

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mail.ru
Port:
587
Username:
workbox1970@mail.ru
Password:
PZAM5i(h1ioy

Targets

- Target
  
  A6563764.exe
- Size
  
  506KB
- MD5
  
  8f366af5c2c53e79ca0c9266f78579a5
- SHA1
  
  49764c16ce6035d15ada170f1890066f1e376177
- SHA256
  
  919b877e9c76be62e66d349905d10c8bff2613cb1d1b01ee39493dbdbc3b6c32
- SHA512
  
  3c1829b0000769a8702ad299233e9cf26c33d3d9fac6cd6d47c7139ac45537bb470725f9977f7c3c0f2a07d2c71fa6408526e6e30fbe7ff90ed7a3d08b9afe94
Score

10^/10

agenttesla coreentity keylogger rezer0 spyware stealer trojan
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- CoreEntity .NET Packer
  A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.
  coreentity
- AgentTesla Payload
- rezer0
  Detects ReZer0, a packer with multiple versions used in various campaigns.
  rezer0
- Reads data files stored by FTP clients
  Tries to access configuration files associated with programs like FileZilla.
  spyware
- Reads user/profile data of local email clients
  Email clients store some user data on disk where infostealers will often target it.
  spyware
- Reads user/profile data of web browsers
  Infostealers often target stored browser data, which can include saved credentials etc.
  spyware
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

CoreEntity .NET Packer

AgentTesla Payload

rezer0

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2