General

  • Target

    NEW PO #1329.exe

  • Size

    819KB

  • Sample

    200709-nqa3crhyv2

  • MD5

    abb0ecdeefd501c1bcd679f7f6c01053

  • SHA1

    1c2fa2f03d05e7d08592c27801f9c1bd5f3b7731

  • SHA256

    84b3f43ad02a779c1978811dd07efa6b832c2ba56a25386c5161cc90a925da80

  • SHA512

    15c549dea819f70a99944b8b90debca5496a5d5cf684f64fd5db89e6cea30f92b6dd47281e275dff2440eaee5a956bf104ed397e441dc21d1fa6c5354cab153f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.aquariuslogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    AQL@2019#$

Targets

    • Target

      NEW PO #1329.exe

    • Size

      819KB

    • MD5

      abb0ecdeefd501c1bcd679f7f6c01053

    • SHA1

      1c2fa2f03d05e7d08592c27801f9c1bd5f3b7731

    • SHA256

      84b3f43ad02a779c1978811dd07efa6b832c2ba56a25386c5161cc90a925da80

    • SHA512

      15c549dea819f70a99944b8b90debca5496a5d5cf684f64fd5db89e6cea30f92b6dd47281e275dff2440eaee5a956bf104ed397e441dc21d1fa6c5354cab153f

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks