General

  • Target

    Payment Advice.exe

  • Size

    612KB

  • Sample

    230328-rk413sbe23

  • MD5

    6d2037f5f6c268267806f3ad4fc8d474

  • SHA1

    4b5aacf752bdde05ef409acdfcb8a263a5f33332

  • SHA256

    43ca29562907e9985a5aac8f9e65627333d70f7b595066ce1affd69b52d3102d

  • SHA512

    e6cbf3ac0db6ca8965fa421e0dc81e2998ed29556fc0485ee0b885a0c139df9c5f818882c6d67da03bd8f37bb6bce1b4554200aa7930f895e07f0cd1e43d6525

  • SSDEEP

    12288:341c/uv4N1nkoKb2wHDNdRCRDPagDb3/YBQW7XeUHbKUx:sEN1koKqwHDNbSprlWbeObKUx

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.strictfacilityservices.com
  • Port:
    587
  • Username:
    accounts@strictfacilityservices.com
  • Password:
    SFS!@#321
  • Email To:
    zamanic62@gmail.com

Targets

    • Target

      Payment Advice.exe

    • Size

      612KB

    • MD5

      6d2037f5f6c268267806f3ad4fc8d474

    • SHA1

      4b5aacf752bdde05ef409acdfcb8a263a5f33332

    • SHA256

      43ca29562907e9985a5aac8f9e65627333d70f7b595066ce1affd69b52d3102d

    • SHA512

      e6cbf3ac0db6ca8965fa421e0dc81e2998ed29556fc0485ee0b885a0c139df9c5f818882c6d67da03bd8f37bb6bce1b4554200aa7930f895e07f0cd1e43d6525

    • SSDEEP

      12288:341c/uv4N1nkoKb2wHDNdRCRDPagDb3/YBQW7XeUHbKUx:sEN1koKqwHDNbSprlWbeObKUx

    • AgentTesla

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

    • 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