General

  • Target

    SecuriteInfo.com.Trojan.Siggen19.18804.30017.30212.exe

  • Size

    885KB

  • Sample

    221206-qvnleacd46

  • MD5

    cfd49eaec7f6ae012aad21687a52a311

  • SHA1

    8ca719076e105c04f9f2c0a9a1e6d08c08dd3840

  • SHA256

    4d7089ed0ea37bffbf210a1178cceab8b97ea2775d2d7efd478272c50374fde7

  • SHA512

    c5756acc9fe06ea224c2385d2c4b37c1244919935a173b532d3ee2aba23c071d3c58708b8fd0cda518cb160e0bcfc29c5018ca55a3cf680fbfc4bcec22e2869f

  • SSDEEP

    12288:BwlXfmomPZefnRftvbw6snXQNEwO0QDNag0G6VPkEz88GBkt6IiaxRoPa3Ptqvyd:RomxinR9bw3b04Nr0DV8ksK6u3QF/N

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.symmdentaesthetics.com/
  • Port:
    21
  • Username:
    [email protected]/
  • Password:
    smartooo@12

  • Protocol:
    ftp
  • Host:
    ftp://ftp.symmdentaesthetics.com/
  • Port:
    21
  • Username:
    [email protected]/
  • Password:
    smartooo@12

Targets

    • Target

      SecuriteInfo.com.Trojan.Siggen19.18804.30017.30212.exe

    • Size

      885KB

    • MD5

      cfd49eaec7f6ae012aad21687a52a311

    • SHA1

      8ca719076e105c04f9f2c0a9a1e6d08c08dd3840

    • SHA256

      4d7089ed0ea37bffbf210a1178cceab8b97ea2775d2d7efd478272c50374fde7

    • SHA512

      c5756acc9fe06ea224c2385d2c4b37c1244919935a173b532d3ee2aba23c071d3c58708b8fd0cda518cb160e0bcfc29c5018ca55a3cf680fbfc4bcec22e2869f

    • SSDEEP

      12288:BwlXfmomPZefnRftvbw6snXQNEwO0QDNag0G6VPkEz88GBkt6IiaxRoPa3Ptqvyd:RomxinR9bw3b04Nr0DV8ksK6u3QF/N

    • 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