agenttesla

General

Target

FACTURA Y ALBARANES.exe
Size

506KB
Sample

201109-237db974xn
MD5

f9d88f65edab1dcd6d14ce9fa7f3b3bb
SHA1

d7d56c3cdf5e17743c6ac38cd33884dc12e016ba
SHA256

8884820e4b10d43f04ccd1a7ff14eafccadf1184ce080b2b2e0836a7dc786f4e
SHA512

bf866c2e87385d106039f9aa28decae2ea196ba236946f3c821b617ccc9963025faa6c2c7c091ddc30ce71d49bb123dee7f6be26dc680a9c3a19ee031f0f5d94

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.fridec.com
Port:
587
Username:
montse.varas@fridec.com
Password:
@zOmvs]eL!$*

Targets

- Target
  
  FACTURA Y ALBARANES.exe
- Size
  
  506KB
- MD5
  
  f9d88f65edab1dcd6d14ce9fa7f3b3bb
- SHA1
  
  d7d56c3cdf5e17743c6ac38cd33884dc12e016ba
- SHA256
  
  8884820e4b10d43f04ccd1a7ff14eafccadf1184ce080b2b2e0836a7dc786f4e
- SHA512
  
  bf866c2e87385d106039f9aa28decae2ea196ba236946f3c821b617ccc9963025faa6c2c7c091ddc30ce71d49bb123dee7f6be26dc680a9c3a19ee031f0f5d94
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