General

  • Target

    0490ebfdc2e5cfbd0562358c035cbee8b5b7920e5f7ef2c78a76080fce31d985

  • Size

    658KB

  • Sample

    220521-by1mtafgem

  • MD5

    92beb5e6a3186a873bc815820f01f3a1

  • SHA1

    27788a44b02e5c9356a698ef2ee9578237d037d5

  • SHA256

    0490ebfdc2e5cfbd0562358c035cbee8b5b7920e5f7ef2c78a76080fce31d985

  • SHA512

    664d36cffb48fd55d80474d8d8e4a9ce29c269fc775d3dbb9192e715467183798d5d66a65f1b227fa82adc52cbdf75e3abc4754f13d5f0d147138456b30f7f72

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ereglitso.org.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    =itbvqD+KGPp

Targets

    • Target

      rlJPEcInJxOdLje.exe

    • Size

      852KB

    • MD5

      07817c3519548de3be1d127fabdb7ec6

    • SHA1

      e8aac6b4a4bda400e035e9abce8005840150bcdd

    • SHA256

      fb28a89e1067428e1cd2c8fd9d41d297a09e5e1f6a1698f70d56871a49f8bc51

    • SHA512

      f4e4a44d5ada100f7f0535cdb40850987eb1501fd76665c28e9bed81cdafa07c9b8ebd2271972b783327033433ed02049d348adeb3e308a8a9127970c1049719

    • 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