General

  • Target

    1d48e9189cf9529586c6112df61e7a60de6926b5775aa8650abda95b085693f4

  • Size

    366KB

  • Sample

    220521-ntcfmseba3

  • MD5

    4465df61a90fc350ff63fbb329252926

  • SHA1

    12db2655b0659c3c3c7b19918be1933e697c1ccf

  • SHA256

    1d48e9189cf9529586c6112df61e7a60de6926b5775aa8650abda95b085693f4

  • SHA512

    580abf9aa49f767aa678edd80dca6edceab737bef29bd4309bf7c19e86fe5bb1ae88c30ba8e3d65e9de389989d3cd5130856cb266e59e9eacf85072512c83a7a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ionos.mx
  • Port:
    587
  • Username:
    lety@solar-pro.mx
  • Password:
    lp475869

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ionos.mx
  • Port:
    587
  • Username:
    lety@solar-pro.mx
  • Password:
    lp475869

Targets

    • Target

      Halkbank_Ekstre_202004 2020.exe

    • Size

      476KB

    • MD5

      69204a173d4450c4e4f1b5f30e8a0ed0

    • SHA1

      6679c0ea350037f6cdee2e1265c77722bf936304

    • SHA256

      c4fdfd3c5845ef7a537230b46564c1c81c139194f36097ce0b97b02e8a118dbc

    • SHA512

      6fb201f527c2b71ea74277b29ffbf3cc42ce9994b4512eae58591291b3da6e2ade4d94124a5d49696b265b0a183f8c537dbde76cf4b059d488ea3f8481540e59

    • AgentTesla

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

    • AgentTesla Payload

    • 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