General

  • Target

    e1d86f4709fc4b8c63d79c960272eef76faa2b7f3e2568084edba6abb8a1b286

  • Size

    379KB

  • Sample

    220521-cegahadgb9

  • MD5

    775de42d569adecc0449b5f7f52fae35

  • SHA1

    359870a146d0c9bb8746a0e66c53309f8b04f349

  • SHA256

    e1d86f4709fc4b8c63d79c960272eef76faa2b7f3e2568084edba6abb8a1b286

  • SHA512

    2078902b789a103a157f3a3772a0649e9253b208463c75b22b15a90f41421e9d217e6268a2c539b499e3a1f415df4d13f01828431b88e075591004b7fdac8671

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.elittacop.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @eaSYuc8

Targets

    • Target

      Court order_pdf.exe

    • Size

      546KB

    • MD5

      da020d0c54734d21d96efd3b05cafc0b

    • SHA1

      1ef4a1601984ed3eeffcaa15ecaec7ded28f7ebd

    • SHA256

      0a8a4c3e09dd9ea5652a1388c395ed0707e6e2c370fa0fa288f71da425022464

    • SHA512

      233816b405f65db45ef67ddac66e16746d341ebd53c6ab289f5ef19ded128eb82631cf2f6a9593771a71bdf564a2c667b4088cba43524c480ce6ba6ad2c352b9

    • AgentTesla

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

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks