General

  • Target

    603715e9b17c8bb9ce42224e8ab2699a6cf9f851b992f3af13ae393351d4e54c

  • Size

    1.2MB

  • Sample

    220521-aq7wgsdehm

  • MD5

    e8096a8ac72826b8c9afdc33edd354e1

  • SHA1

    a595c15c57dab399527d1910a20278f82955a9aa

  • SHA256

    603715e9b17c8bb9ce42224e8ab2699a6cf9f851b992f3af13ae393351d4e54c

  • SHA512

    e7a6f997282ba862183a2cf9f6e0190ef87f2a423d415a6e3fe5ea650c498c2034e21f6474f92ad352c521a4c3ebacbd5cc5afee957d66bc3f97d46fc9248dd5

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://asnbanknl.com/
  • Port:
    21
  • Username:
    smartpips
  • Password:
    3mPf4$l2

  • Protocol:
    ftp
  • Host:
    ftp://asnbanknl.com/
  • Port:
    21
  • Username:
    smartpips
  • Password:
    3mPf4$l2

Targets

    • Target

      NHWJOC9C.EXE

    • Size

      457KB

    • MD5

      ac32d76fe133ae35db1adf7172ab92ee

    • SHA1

      88f89cbb5dde794c3af43e0d9726749e9944bbaf

    • SHA256

      9bca8f7366390a1fac5bfcc29896ce8d4e75475eb9a3b41af7293e9c6b718451

    • SHA512

      12dbfb6bb8d473011e812fd1956ebad90fbd10bfd18d13f019ff4c59d48c4e74cfb649d5bca9e16f11214f84e7af3c0d9d656027cb939f32e70250651eeebd25

    • 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