General

  • Target

    3298b7890071ea9442142d9f030802b738664152a1f07fbabe629b72b0ea7b3d

  • Size

    579KB

  • Sample

    220520-3kz8nshag7

  • MD5

    4b22fb58751575aa519aae5e1ca8841c

  • SHA1

    36b679ba9fb83058600b0a5f12ac30dcce4c002c

  • SHA256

    3298b7890071ea9442142d9f030802b738664152a1f07fbabe629b72b0ea7b3d

  • SHA512

    ec5cf1b523ed05dc40fb2070907260b781140c4f605fcc5fdc628829b0d9380bb87645e7e4a2e1b258ba950a1131757c4f34c7e53ae0ccd1013857581a1f622a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.greenhornechem.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^fpNyGmQa2

Targets

    • Target

      3298b7890071ea9442142d9f030802b738664152a1f07fbabe629b72b0ea7b3d

    • Size

      579KB

    • MD5

      4b22fb58751575aa519aae5e1ca8841c

    • SHA1

      36b679ba9fb83058600b0a5f12ac30dcce4c002c

    • SHA256

      3298b7890071ea9442142d9f030802b738664152a1f07fbabe629b72b0ea7b3d

    • SHA512

      ec5cf1b523ed05dc40fb2070907260b781140c4f605fcc5fdc628829b0d9380bb87645e7e4a2e1b258ba950a1131757c4f34c7e53ae0ccd1013857581a1f622a

    • 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