General

  • Target

    df0a67f2a0c162c5a5dee0a8fcd8ab22.bin

  • Size

    774KB

  • Sample

    240428-ce5cbseb3s

  • MD5

    c3193b2ea057f0757dbc1a84bddbed45

  • SHA1

    8c75558733b1be0330267d0d001504e6fe2bf98a

  • SHA256

    d20e2a65994a809fcfec8372905a34f29bf6c8c72d26e40896b74403b615c203

  • SHA512

    57e265a6b40003dc435ebcfb542bf9ee41655f0209efde65a503d645af8648fa22b43f18fd3ddf5eb5ab8b9ef41c9c37b67d8f9dced2e35afabbaac3e654fa83

  • SSDEEP

    12288:QjLAHxx92Tw9fN1qCCoxMxMLDCaKafHM4Bh269Y9Xj3EuTQ9w9QDUqYIHNZ/f0a+:QjkRx9hlxyMxh1i6Cp3EuEUWHNZ/tg5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.starmech.net
  • Port:
    587
  • Username:
    electronics@starmech.net
  • Password:
    nics123
  • Email To:
    godwingodwin397@gmail.com

Targets

    • Target

      e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf.exe

    • Size

      822KB

    • MD5

      df0a67f2a0c162c5a5dee0a8fcd8ab22

    • SHA1

      07981693f5b38fa99a88aca0e13ba5b6022b1465

    • SHA256

      e62255f98543e0bb1abf017af13fd483e1382158021b7edde65fa55c1ad290cf

    • SHA512

      b62ea9a4710dfc855cfd47f2c0cb8787c9ea6b1159387431d1cc70b5989dd59086aaadd62e42fea9b21d28834b6ece20dc1715245762d026e48e315544529f75

    • SSDEEP

      12288:zPqnHvjNIrpf9rN/mc/CQw5PXdFPemY3kI26WE+34DO2IOxzV2SYm9nEix9H82rF:zyPjKr5BNDuXvfY0RfmIkzLNP5rJ

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks