General

  • Target

    a92cbe4d3eb6c53fa84fa11b974d306710ec71dde4e630deae5cde8b3bd30b7f

  • Size

    504KB

  • Sample

    220520-2bh3csabdq

  • MD5

    4b052c74adc466d010fa6f108cd89abe

  • SHA1

    a5bfbcc8cd8da0b5de3ba4ee63797686456ce6e9

  • SHA256

    a92cbe4d3eb6c53fa84fa11b974d306710ec71dde4e630deae5cde8b3bd30b7f

  • SHA512

    96f611ffba995b61280afc5fe232745c87eb11560837b0eafb35767afaf6b989f6440549518162c5ea8c0987a8149654f45fbaea448cfaad714c17aa6bb3c9b9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.rezuit.pro
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    grace1234

Targets

    • Target

      reciept.exe

    • Size

      538KB

    • MD5

      fb6650cb0204aeaf9f01581fa777170d

    • SHA1

      0c29c9c8058028e60354e37aa77a57479231da9e

    • SHA256

      edb51d595de89116b04ffcf488ee84943d47cbbc0803dc81aac6752600cd7528

    • SHA512

      68657534237c3d00c217925b1ad125cd5216395a435e2cf44eec684514bcbb2674592a733d50fc60377cc420f60e52b9db4778383b05e5106ad02a3c7b438cbd

    • 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