General

  • Target

    b4b17895d93678aa95d2fd85370650513f6c7207ead9c154ddaa0215cabc03f1

  • Size

    834KB

  • Sample

    240427-b39fhsgd83

  • MD5

    f0a478ed8708a6425227f6890e829452

  • SHA1

    223368040aa836f75caa1429ee7c23a37c8549d7

  • SHA256

    b4b17895d93678aa95d2fd85370650513f6c7207ead9c154ddaa0215cabc03f1

  • SHA512

    d6a06f6637bbba5ee8cd74602d46b32ea55b623e8aa000ddadcf610087125129091a57a6d0b3bb6a2337a8be53d2ade1c74d55d4df7abddc3bc09bb3aeceff50

  • SSDEEP

    12288:qyqnHvjNIrpf9rN/mc/CCznedC/weVcseeeiOVTvrVvKmGA1LovNF3qk1vfmvw4V:yPjKr5BNDPDedmVcseF1vZFLo1Nqk1X

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hitechit.com
  • Port:
    587
  • Username:
    ho@hitechit.com
  • Password:
    Ho@3699ho
  • Email To:
    jose.oliveirea655@gmail.com

Targets

    • Target

      b4b17895d93678aa95d2fd85370650513f6c7207ead9c154ddaa0215cabc03f1

    • Size

      834KB

    • MD5

      f0a478ed8708a6425227f6890e829452

    • SHA1

      223368040aa836f75caa1429ee7c23a37c8549d7

    • SHA256

      b4b17895d93678aa95d2fd85370650513f6c7207ead9c154ddaa0215cabc03f1

    • SHA512

      d6a06f6637bbba5ee8cd74602d46b32ea55b623e8aa000ddadcf610087125129091a57a6d0b3bb6a2337a8be53d2ade1c74d55d4df7abddc3bc09bb3aeceff50

    • SSDEEP

      12288:qyqnHvjNIrpf9rN/mc/CCznedC/weVcseeeiOVTvrVvKmGA1LovNF3qk1vfmvw4V:yPjKr5BNDPDedmVcseF1vZFLo1Nqk1X

    • 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