General

  • Target

    f92972c4d6cb28b350e6fa0ce897ebf2_JaffaCakes118

  • Size

    922KB

  • Sample

    240419-bfwadaca65

  • MD5

    f92972c4d6cb28b350e6fa0ce897ebf2

  • SHA1

    edb8413f28ccda47f892f0ecdb85d80f5412cd93

  • SHA256

    c3e1fb98c978c699c79b569c14c7bc41fce17a1846e9d66757ad579e3c97ceda

  • SHA512

    0d761dac89dba988763cb86bf756f0ea17f3e2eee1badf545491bb8b56090a955e0b6b10c11835638256ac7cb69c73e2ca489db35480271bc7f3c90e4e5e4ccb

  • SSDEEP

    24576:n/NJx7rhdt9doELR7Gf9LvaCqQ2VYJUEKlCW3:/bFftPo17aCoYJUEKlCW

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.vibranthonda.co
  • Port:
    587
  • Username:
    parts@vibranthonda.co
  • Password:
    RADHE@123

Targets

    • Target

      f92972c4d6cb28b350e6fa0ce897ebf2_JaffaCakes118

    • Size

      922KB

    • MD5

      f92972c4d6cb28b350e6fa0ce897ebf2

    • SHA1

      edb8413f28ccda47f892f0ecdb85d80f5412cd93

    • SHA256

      c3e1fb98c978c699c79b569c14c7bc41fce17a1846e9d66757ad579e3c97ceda

    • SHA512

      0d761dac89dba988763cb86bf756f0ea17f3e2eee1badf545491bb8b56090a955e0b6b10c11835638256ac7cb69c73e2ca489db35480271bc7f3c90e4e5e4ccb

    • SSDEEP

      24576:n/NJx7rhdt9doELR7Gf9LvaCqQ2VYJUEKlCW3:/bFftPo17aCoYJUEKlCW

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks