General

  • Target

    fd82f122aa8f51076bde16ea95069a38421af13c65f760bd0fb2b69313a4eedc

  • Size

    333KB

  • Sample

    220520-3hd8esbhal

  • MD5

    86af481e68905a23f381a20d4f3c71ca

  • SHA1

    e914063d8d839df3047ab77234fba2c7066c377e

  • SHA256

    fd82f122aa8f51076bde16ea95069a38421af13c65f760bd0fb2b69313a4eedc

  • SHA512

    e7f9e38d2015e4a0ba9f120b56c1d7a0fb12760e0d789b8fe1f3d75ed9c8193b1e9e559938b424115e93abeb1c501c8b59fb5124b52c115ecbd3d4737569754f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K$pbkEK0

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    K$pbkEK0

Targets

    • Target

      Catalog.exe

    • Size

      432KB

    • MD5

      7d7aae060d553d8ae3a48a6a1e7dbddb

    • SHA1

      44ab5e2b2e0f870e592e7cb1026ba9cb2c2a451f

    • SHA256

      2a2a628e23fa234e422aa5edcb6718f54e5caa2822ee10950a30619d9e9b0534

    • SHA512

      7f7bfec03fa197ba78ab4b1f42090409224aede7abe321fac52f98207be7dfca46c32a8c081e0d84dfa91e93897c4adabc543c52cac61a352c98a3174f155b12

    • AgentTesla

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

    • AgentTesla Payload

    • Checks computer location settings

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

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks