General

  • Target

    SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477

  • Size

    831KB

  • Sample

    240327-lfjlpahc57

  • MD5

    18ab2aad8e5efd35242fbd95df4e7dd8

  • SHA1

    72f5eb04ed362a77235283d634d499edda685bf7

  • SHA256

    ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a

  • SHA512

    34701b20f0afc8694c5bb42a5ecea9daa86b7c59e9b8cf6ce2aaf9598dc39215382c36efa2c8d216e84e3a978a2bd8d6215a937952c69889b698d077f02cfdd9

  • SSDEEP

    12288:UFLUZoWBwIyww0vWfueEQEarTXNmuKXevwN0GQ+l3y34SI1Vt/L5r3BD1Ry09yz:UaomwIjGGUfHwuuNvSIb1LN

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SecuriteInfo.com.Variant.Ser.MSILHeracles.1518.31245.9477

    • Size

      831KB

    • MD5

      18ab2aad8e5efd35242fbd95df4e7dd8

    • SHA1

      72f5eb04ed362a77235283d634d499edda685bf7

    • SHA256

      ad5c519df39152112b96cbd80417dbdfeb0a90f98f23e49511e6b9d08981894a

    • SHA512

      34701b20f0afc8694c5bb42a5ecea9daa86b7c59e9b8cf6ce2aaf9598dc39215382c36efa2c8d216e84e3a978a2bd8d6215a937952c69889b698d077f02cfdd9

    • SSDEEP

      12288:UFLUZoWBwIyww0vWfueEQEarTXNmuKXevwN0GQ+l3y34SI1Vt/L5r3BD1Ry09yz:UaomwIjGGUfHwuuNvSIb1LN

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Adds Run key to start application

    • 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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks