General

  • Target

    1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

  • Size

    75KB

  • Sample

    240606-q53s3sfh65

  • MD5

    f6453b75c24aae8d40afdeefcf2691bb

  • SHA1

    a8c061047924988e352bdb5d78bb55fcdba652dc

  • SHA256

    1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890

  • SHA512

    ba2174251c57c2aeb3ea827d064f6b57a5f9614056a9e317d8b644c24b263cde8521158546083cf7c062ed649f32bf96aa2cb3f67193dad7ca43aa24d09b136a

  • SSDEEP

    1536:UV7Jb80XjSBQ9NFxpeiAxWl4w9M1Sr7dCqVEFvOhfjfDWb:M7J19vf5sPN1SvdCqVCWhfbo

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890.exe

    • Size

      75KB

    • MD5

      f6453b75c24aae8d40afdeefcf2691bb

    • SHA1

      a8c061047924988e352bdb5d78bb55fcdba652dc

    • SHA256

      1b84f3e95ebee821b17c472f1c9037811e685245f339d1383ca614618b46e890

    • SHA512

      ba2174251c57c2aeb3ea827d064f6b57a5f9614056a9e317d8b644c24b263cde8521158546083cf7c062ed649f32bf96aa2cb3f67193dad7ca43aa24d09b136a

    • SSDEEP

      1536:UV7Jb80XjSBQ9NFxpeiAxWl4w9M1Sr7dCqVEFvOhfjfDWb:M7J19vf5sPN1SvdCqVCWhfbo

    • AgentTesla

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

    • PureLog Stealer

      PureLog Stealer is an infostealer written in C#.

    • PureLog Stealer payload

    • 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