General

  • Target

    20e17f5f5b13e91bc4e89d33704009fe6126d7a09da43365dfd264351fb2b65b

  • Size

    388KB

  • Sample

    220521-bb4e7abff4

  • MD5

    9c364d11306c1e302ee454f7ddcb4173

  • SHA1

    ca9111a8d5d82a4f782e7d46b265e5b2e029ef2f

  • SHA256

    20e17f5f5b13e91bc4e89d33704009fe6126d7a09da43365dfd264351fb2b65b

  • SHA512

    1f0d8d9734c6debcb0ba838e85de666fc1b3ea7a2189204f134d93ad69576f94913b0a4e030d4ff7f8d4825cb1940e7fa129ab4b3bc3404ceece2d6bd7d28f5a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.nedtek.com.au/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

  • Protocol:
    ftp
  • Host:
    ftp://ftp.nedtek.com.au/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.nedtek.com.au
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    philomina1234567890

Targets

    • Target

      INV01.exe

    • Size

      440KB

    • MD5

      b9743458d1fc6404f135ad3316f174b9

    • SHA1

      1df0673acc0e37439031915478b2ae8817fbd478

    • SHA256

      d31acad1f441efed4a4cef4782ff79cce51d37a1e78b8a9af72c484326e5fd01

    • SHA512

      71b07f3b916cb60a4f7186420e1daa42616f2bc1e60679ed00d53e832dbc23d5b2b12ec9c96d894269fe366223855d656c240c0093d8a27e98f16fd49f307889

    • 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