agenttesla

General

Target

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149
Size

791KB
Sample

240523-zlvg2afh62
MD5

64d371aa778984786fb0368d5824a841
SHA1

7044fbd5634becff21be68f42546d529a5544ff2
SHA256

42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149
SHA512

7319d9a1428c889f3ff6cfe6346a88781bcd19e137d6a1d5b67f6bbeefb27a56a1094d506b22b544c0322ffafb08322b57319ccecc16fb488a33594a65729c93
SSDEEP

12288:FwTyVhpCNtWV4Z9GthGp0V2gbEPzyGT32hAwAFFnUSf5v61pH42FuFnW5M72j1/8:FK1ZqaK5bezy031FJxRs

Score

10^/10

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.officeemailbackup.com
Port:
587
Username:
[email protected]
Password:
d1IXFo$=lK[r

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.officeemailbackup.com
Port:
587
Username:
[email protected]
Password:
d1IXFo$=lK[r
Email To:
[email protected]

Targets

- Target
  
  42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149
- Size
  
  791KB
- MD5
  
  64d371aa778984786fb0368d5824a841
- SHA1
  
  7044fbd5634becff21be68f42546d529a5544ff2
- SHA256
  
  42a797a4f307560dc99d8f936ae0ed8a2f3811d58e7fb4bc87a0886578110149
- SHA512
  
  7319d9a1428c889f3ff6cfe6346a88781bcd19e137d6a1d5b67f6bbeefb27a56a1094d506b22b544c0322ffafb08322b57319ccecc16fb488a33594a65729c93
- SSDEEP
  
  12288:FwTyVhpCNtWV4Z9GthGp0V2gbEPzyGT32hAwAFFnUSf5v61pH42FuFnW5M72j1/8:FK1ZqaK5bezy031FJxRs
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 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
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- 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

Extracted

Targets

Detect packed .NET executables. Mostly AgentTeslaV4.

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

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

Looks up external IP address via web service

Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks

static1

behavioral1

behavioral2