agenttesla

General

Target

26b9dbe45e846a4d27ed41fd308be0e031fdbf9f2f742bdc95ab8625ab73f4a2
Size

467KB
Sample

220521-dt6z5sbchq
MD5

26130af3bbbf95a8918390d115f86007
SHA1

e9a5f0e9d42bc4ce5a864fea0015030619c6111f
SHA256

26b9dbe45e846a4d27ed41fd308be0e031fdbf9f2f742bdc95ab8625ab73f4a2
SHA512

51b711439b4a618af65a8df52db094b59ad139c7c47ba9fdd04e8314bfd7c152401f420d0a1c9cef15dec0f016dce9cb6725ddd598aa318702042cebadbaf015

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.climasenmonterrey.com.mx
Port:
587
Username:
[email protected]
Password:
donttouch@00

Targets

- Target
  
  ORTHIN RE303543 RE3542.bat
- Size
  
  592KB
- MD5
  
  ffc45247ab0320341d6e017077be0fb3
- SHA1
  
  aad7e9a69dab1c5e35df8dde1e3136d8731df981
- SHA256
  
  2ac203d2ba2fc79f4fa43ea2fff3b6e2d9a30bb8d73f6c809c50f8882913b373
- SHA512
  
  182bc8566bee01d5c55fff04e488267001a4ade177820b2db6814fd4b4b72157cf2846df80ffded3227d9f6a77f14fcdcb05edc86ac963ebd8d3e4951a952c18
Score

10^/10

agenttesla collection 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 packer
  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 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
- Accesses Microsoft Outlook profiles
  collection
- 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

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

CoreEntity .NET Packer

AgentTesla Payload

ReZer0 packer

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Accesses Microsoft Outlook profiles

Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Tasks

static1

behavioral1

behavioral2