agenttesla

General

Target

HALLEY.exe
Size

497KB
Sample

201109-dtyblstj6x
MD5

b3364f04d488a8ea67c1e1e4fb47ea28
SHA1

2deb277b823cf83c36bcbf631e4821353ca9b0bc
SHA256

3fb6e1925a0ef970149daeeb17b68d01e5ae9b8e11d756a079024e6aa408452f
SHA512

a085cd89d17256e2fd1f2ca6331d3240c5f0f6d5f39d6319ee4892032f04b9d303aa18fba17ab1b0ee799aea8d834a77882d4ff57af4a4d063a7764a07bcec8c

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
eaidworkforce@yandex.com
Password:
mandiesel91

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
eaidworkforce@yandex.com
Password:
mandiesel91

Targets

- Target
  
  HALLEY.exe
- Size
  
  497KB
- MD5
  
  b3364f04d488a8ea67c1e1e4fb47ea28
- SHA1
  
  2deb277b823cf83c36bcbf631e4821353ca9b0bc
- SHA256
  
  3fb6e1925a0ef970149daeeb17b68d01e5ae9b8e11d756a079024e6aa408452f
- SHA512
  
  a085cd89d17256e2fd1f2ca6331d3240c5f0f6d5f39d6319ee4892032f04b9d303aa18fba17ab1b0ee799aea8d834a77882d4ff57af4a4d063a7764a07bcec8c
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

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