General

  • Target

    2ae01061251de51af0f6536047a68d137b5a13c7ea6d02c4cf2235273860318f.exe

  • Size

    236KB

  • Sample

    240522-bmvbnafh3x

  • MD5

    374e512403b6723a5eda9f5fcf0b027e

  • SHA1

    519e380f45bc17b2cb62decdb3b33c3ad16f19d1

  • SHA256

    2ae01061251de51af0f6536047a68d137b5a13c7ea6d02c4cf2235273860318f

  • SHA512

    0f6bf7aa3cc0e0d78255587908484765ad422a5ad993c38a1860c4e5a6f466ea5bb27961171e07c1f04ce58a4e7397fc8cb1454c1d0441a89a50096f3b9ed576

  • SSDEEP

    3072:e0Yi1Dv5+lRM0kkE0SrkY96A07YJqm05ieY639:eSDv5+lRM0kkE0Srk7r7AqmkYW

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.springandsummer.lk
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    anu##323

Targets

    • Target

      2ae01061251de51af0f6536047a68d137b5a13c7ea6d02c4cf2235273860318f.exe

    • Size

      236KB

    • MD5

      374e512403b6723a5eda9f5fcf0b027e

    • SHA1

      519e380f45bc17b2cb62decdb3b33c3ad16f19d1

    • SHA256

      2ae01061251de51af0f6536047a68d137b5a13c7ea6d02c4cf2235273860318f

    • SHA512

      0f6bf7aa3cc0e0d78255587908484765ad422a5ad993c38a1860c4e5a6f466ea5bb27961171e07c1f04ce58a4e7397fc8cb1454c1d0441a89a50096f3b9ed576

    • SSDEEP

      3072:e0Yi1Dv5+lRM0kkE0SrkY96A07YJqm05ieY639:eSDv5+lRM0kkE0Srk7r7AqmkYW

    • AgentTesla

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

    • 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.

    • 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

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