General

  • Target

    17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d.exe

  • Size

    687KB

  • Sample

    240329-chsspseg81

  • MD5

    62ed0ee9372f04bd637e3995624dbc0c

  • SHA1

    96e4d381325b9c0a0581993529baf0cb38050faf

  • SHA256

    17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d

  • SHA512

    7e3c79a487e8d472947aab1050db828ae7fe65ae1af049c00dfe7cd1b4668313665dd6380a32b7465a16da292e8270e53c35586ea39dcef3ec50ddc8a1bd2e1a

  • SSDEEP

    12288:4/K0YOwqOpWXqqfNg3Hsgtwmq+MzaMl7+fpfKIIP9HJYxbd:DO7rXHNg3HsgtwD+MzplCfxKzHJI

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d.exe

    • Size

      687KB

    • MD5

      62ed0ee9372f04bd637e3995624dbc0c

    • SHA1

      96e4d381325b9c0a0581993529baf0cb38050faf

    • SHA256

      17f1c3567b5334eca6e41e7a341faa999fdb22f64004a185874e23dd4a43d06d

    • SHA512

      7e3c79a487e8d472947aab1050db828ae7fe65ae1af049c00dfe7cd1b4668313665dd6380a32b7465a16da292e8270e53c35586ea39dcef3ec50ddc8a1bd2e1a

    • SSDEEP

      12288:4/K0YOwqOpWXqqfNg3Hsgtwmq+MzaMl7+fpfKIIP9HJYxbd:DO7rXHNg3HsgtwD+MzplCfxKzHJI

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks