General

  • Target

    6cdb0014cb76656eb8751f603c6bcd7c225705e5bf18f365ec83f4bd5472d02b

  • Size

    1.2MB

  • Sample

    220521-nhb1qsghcm

  • MD5

    7945c5266f83da164fc9f88a5f4d4ac1

  • SHA1

    6d28c985c4ad754c492af4ef864c865c360c6d17

  • SHA256

    6cdb0014cb76656eb8751f603c6bcd7c225705e5bf18f365ec83f4bd5472d02b

  • SHA512

    45ae4916a9ebfc14d19dc1c35d9665c45ff31c06936825444f087d4c9d2664d3a0c0b60986bd345cb6fa686ba1960bf5f96dd005e698e4799843839b96c4baa5

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    ultimate.love@yandex.ru
  • Password:
    Blessed000@

Targets

    • Target

      PO_SUTEX.SCR

    • Size

      515KB

    • MD5

      158409a8e0b10d6cb4aafe93187988d6

    • SHA1

      9f903e503c73e761ca14a2f0a428ed653a735c03

    • SHA256

      e754344a3911deba8d4242e3ee3817cdd5fe69f846ed2c915140ec5d9050a2e8

    • SHA512

      1d09de0c9c5ff8245a02253933b7e420bd1b13fd9ff7f278cdb9af00d5b4867408db0b56894788e401cfc6ffb1d2ad1d73333c182a9c0e5b9b8899531b033f95

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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

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