agenttesla

General

Target
1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe
Size 960KB
Sample240620-bfcs2azfmd
SHA256 1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825
MD5 269ee376ae0270c07826415d7f8899ea
SHA1 2cb919d0ae3701707ac670837993d4afb0ac1499
SHA512 785185b881eb84574856378d9d3948be54cc02d0ec888ba956561faf46c7eac69e3d85ec11f151f203b7db104a97fe4ef48166a6a80c3de79390e83683bdb8f0
SSDEEP 12288:LKW85eNyYs5v+Z8J1qoErGKDOaEo44tvjDR08PbReq8nxeMjM2efCpc81:eKsFd7qotKDOUFvX/PbueX2ef
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
mail.groupmt.vn
Port
587
Username
[email protected]
Password
4j37SF2n8e
Email to
[email protected]

Targets

- Target
  1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825.exe
- Size 960KB
- SHA256 1bd8c28a74a99cc6eb115161fca392e4dc6b424bf3ff6814f688e470209b0825
- MD5 269ee376ae0270c07826415d7f8899ea
- SHA1 2cb919d0ae3701707ac670837993d4afb0ac1499
- SHA512 785185b881eb84574856378d9d3948be54cc02d0ec888ba956561faf46c7eac69e3d85ec11f151f203b7db104a97fe4ef48166a6a80c3de79390e83683bdb8f0
- SSDEEP 12288:LKW85eNyYs5v+Z8J1qoErGKDOaEo44tvjDR08PbReq8nxeMjM2efCpc81:eKsFd7qotKDOUFvX/PbueX2ef
- MD5 SHA1 SHA512 SSDEEP
Score

10^/10

agenttesla keylogger spyware stealer trojan
- AgentTesla
  Agent Tesla is a remote access tool (RAT) written in visual basic.
  keylogger trojan stealer spyware agenttesla
- Detect packed .NET executables. Mostly AgentTeslaV4.
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
- Detects executables packed with SmartAssembly
- 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
- 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
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Extracted

Targets

Detect packed .NET executables. Mostly AgentTeslaV4.

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

Detects executables packed with SmartAssembly

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

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

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2