General

  • Target

    4228024179b2de41a3b07d74cbc7fe831bfbc097a127f13fdbde052195cc2796

  • Size

    572KB

  • Sample

    220521-ax997aeaam

  • MD5

    571a2131d63735a32a397a75b2a23949

  • SHA1

    581d35c21e84b52d14ca759e1dd026060d260d4e

  • SHA256

    4228024179b2de41a3b07d74cbc7fe831bfbc097a127f13fdbde052195cc2796

  • SHA512

    2086f617480b57cfef45549b1fe9932a14156909ed17ebb0fa4b19498d93138431665aa2ec6172bea17f4ddb39ff430ce99f96e30adddb54408071c66ff7afd8

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://gtbanks-gambia.com/
  • Port:
    21
  • Username:
    cintofaw
  • Password:
    %84r7fAj

  • Protocol:
    ftp
  • Host:
    ftp://gtbanks-gambia.com/
  • Port:
    21
  • Username:
    cintofaw
  • Password:
    %84r7fAj

Targets

    • Target

      INVOICE56738.exe

    • Size

      754KB

    • MD5

      1376d689d71acb5d2e76f874ce1804e2

    • SHA1

      125c4541c343545be743476e1425b76bbe38dd97

    • SHA256

      2f167f990dfa9a51b9ac1298b799e3c800d5aef62ddf5b36ea8c5d63b7242e1e

    • SHA512

      b3c42a1c2c87ef116a9801fea548bc1f05fe46651c49db25518d1367ca315e0fe9bb9eac48d9ed12d66b218c87d7ab80ff00563ec811c980f52c19526d58e950

    • 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