General

  • Target

    CONTRACT #683793.zip

  • Size

    607KB

  • Sample

    221126-lqg6lsgf78

  • MD5

    103bfd7d3183cd1247a0759923d8455c

  • SHA1

    d15e96d3d52a0fdde177f3ddcd4eca93d02f559a

  • SHA256

    1026bd897eeb6e5149005278049e938a8de987e22bf74bd8a5ae45d4206f2914

  • SHA512

    e4b62eab206fb07999d1279134f0595c76c236b4a4ee95400f266f698978b0bc011b253847698be7de8fc7ca43cd58896ed80d49c3ccbe9be5fb48979d9b2c0e

  • SSDEEP

    12288:TZPaavYI4VIMRqV0CUzDSfyx2IKW1Eq7RRjpXco8XelYIpU+0O6zFC:TxgI4V8VD4GfyG8X7vpXco8elYI++0Jo

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      CONTRACT #683793.exe

    • Size

      788KB

    • MD5

      ea2c59815cfee933ed0d4b85f3429082

    • SHA1

      0f0ba262e017c7a1587a0759680953f4b5d41e43

    • SHA256

      ddb8df086907b77b37c15fa698d27f3bf388e46edc7e3f982faf5d110b36e914

    • SHA512

      efab7f4be2abdb8421a1f299fdceaf06ee11b27e9fdd2d6849efaeec5ba4f1f4589911d8a69feadae9250c2b3dba7eed450ce96311d625fd44338320115abb93

    • SSDEEP

      24576:UFUUa76CkkFg/IyXtFfya2X71pXc2oelYIU+C73:MPkoX3fyxX5psrelch7

    • AgentTesla

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

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • 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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks