General

  • Target

    Proforma Invoice.exe

  • Size

    880KB

  • Sample

    220718-j55jcabgcr

  • MD5

    bea52e8910c076f5720ac20970e48a10

  • SHA1

    42777245a3f79ea5b2bcf1ea48811111b1cc3529

  • SHA256

    8d5f8190ec870db510d2b95b830a07bf3c67d9996df775778dfa82b6c2bdd7b3

  • SHA512

    9ced8c19a96f0200c940300c1d28c087ac3342f930458bcd7dd6f8396147366dc1b244f06c2031d7c8ab1b10828c0d2bc177c952146e929d9f34a477e156aaff

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5573921253:AAHXKq7lrmioCzUGP-9p7lopfbVX0A_ZdQA/sendDocument

Targets

    • Target

      Proforma Invoice.exe

    • Size

      880KB

    • MD5

      bea52e8910c076f5720ac20970e48a10

    • SHA1

      42777245a3f79ea5b2bcf1ea48811111b1cc3529

    • SHA256

      8d5f8190ec870db510d2b95b830a07bf3c67d9996df775778dfa82b6c2bdd7b3

    • SHA512

      9ced8c19a96f0200c940300c1d28c087ac3342f930458bcd7dd6f8396147366dc1b244f06c2031d7c8ab1b10828c0d2bc177c952146e929d9f34a477e156aaff

    • 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