General

  • Target

    364209eac02aa9b43723badf042129626438eb550cd5fe01130631a021ac7cae

  • Size

    694KB

  • Sample

    240329-bt764adh5x

  • MD5

    a7ce361b8483aeb3d666243d6c182381

  • SHA1

    d717121422d12d09364da2d537451868fdc23c2f

  • SHA256

    364209eac02aa9b43723badf042129626438eb550cd5fe01130631a021ac7cae

  • SHA512

    005a7c289273a0b28b50392a28341cd196e377c3b4052c95cf25268fb7865a290d5e2f92aea5d804b72baa2d6cca1da8457645cce8dfa165e6c8d8a7268460d4

  • SSDEEP

    12288:n/qQ0YOwqOpZ8SkCzuq6I8p3p7rg31w22QhHA6+KbqMEjq/COHKF2wH0SyB8BM:y0O7A8STr6Jp722QhHz+HMEmbHKQCDm

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^lMiJzV4

Targets

    • Target

      364209eac02aa9b43723badf042129626438eb550cd5fe01130631a021ac7cae

    • Size

      694KB

    • MD5

      a7ce361b8483aeb3d666243d6c182381

    • SHA1

      d717121422d12d09364da2d537451868fdc23c2f

    • SHA256

      364209eac02aa9b43723badf042129626438eb550cd5fe01130631a021ac7cae

    • SHA512

      005a7c289273a0b28b50392a28341cd196e377c3b4052c95cf25268fb7865a290d5e2f92aea5d804b72baa2d6cca1da8457645cce8dfa165e6c8d8a7268460d4

    • SSDEEP

      12288:n/qQ0YOwqOpZ8SkCzuq6I8p3p7rg31w22QhHA6+KbqMEjq/COHKF2wH0SyB8BM:y0O7A8STr6Jp722QhHz+HMEmbHKQCDm

    • 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 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

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks