General

  • Target

    585915fed7da30d7b37299954f90ea89aafe0f2e171362e0ee7edfdc797e157f

  • Size

    719KB

  • Sample

    240328-b8g88aae26

  • MD5

    ee122815c5c003f606ee97cfd7bd88c0

  • SHA1

    09f76f3838ef1a796c9bd19bb1ba69c2ce7be8c7

  • SHA256

    585915fed7da30d7b37299954f90ea89aafe0f2e171362e0ee7edfdc797e157f

  • SHA512

    9bc6b540906c143edc871ac927037a25d5581e094d4566853250b065b97060d3128c268f540701af07f0c889d3f8eab6f33c427da0c61f5a4e6b07b2a5ff09f8

  • SSDEEP

    12288:CEUq1AxN1kz0MbIRyDuqF7ScVi9FGHclsXK6ADZ3ClEHRs9QTeyl5uDnIh:CEUq1AxN1ZII0F7ScM9M8lsyN3DRsRyH

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5902907323:AAGfVK1Q9wMqUU6PhRCwJNTRaKY2lrcdVjY/

Targets

    • Target

      585915fed7da30d7b37299954f90ea89aafe0f2e171362e0ee7edfdc797e157f

    • Size

      719KB

    • MD5

      ee122815c5c003f606ee97cfd7bd88c0

    • SHA1

      09f76f3838ef1a796c9bd19bb1ba69c2ce7be8c7

    • SHA256

      585915fed7da30d7b37299954f90ea89aafe0f2e171362e0ee7edfdc797e157f

    • SHA512

      9bc6b540906c143edc871ac927037a25d5581e094d4566853250b065b97060d3128c268f540701af07f0c889d3f8eab6f33c427da0c61f5a4e6b07b2a5ff09f8

    • SSDEEP

      12288:CEUq1AxN1kz0MbIRyDuqF7ScVi9FGHclsXK6ADZ3ClEHRs9QTeyl5uDnIh:CEUq1AxN1ZII0F7ScM9M8lsyN3DRsRyH

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks