General

  • Target

    SecuriteInfo.com.Heur.32701.20065

  • Size

    783KB

  • Sample

    240430-avbc3seh68

  • MD5

    f17de52fcf8876fe0f7dfe27938821ad

  • SHA1

    643627151448795c6d296cc2c9c5be59937da4d9

  • SHA256

    98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51

  • SHA512

    a6a3266955c430eff1a78612de56b4442d2818ec4363f8efd91a44c7dbbcf94a6d3731d47959496c05851c306e223f6826ab140ec373cd1e0ee5f052dcb1bce0

  • SSDEEP

    24576:QlPmicd0uitF0I/tI6WHft8xjmq5c30l:QluicdaWHl8xy/k

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      SecuriteInfo.com.Heur.32701.20065

    • Size

      783KB

    • MD5

      f17de52fcf8876fe0f7dfe27938821ad

    • SHA1

      643627151448795c6d296cc2c9c5be59937da4d9

    • SHA256

      98b85ee0663117740bdac3c6af9fd2c637206f83be0978b865bc9cce1cc2eb51

    • SHA512

      a6a3266955c430eff1a78612de56b4442d2818ec4363f8efd91a44c7dbbcf94a6d3731d47959496c05851c306e223f6826ab140ec373cd1e0ee5f052dcb1bce0

    • SSDEEP

      24576:QlPmicd0uitF0I/tI6WHft8xjmq5c30l:QluicdaWHl8xy/k

    • AgentTesla

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

    • 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.

    • Adds Run key to start application

    • 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 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

Tasks