General

  • Target

    SecuriteInfo.com.Win32.MalwareX-gen.31096.7527.exe

  • Size

    2.2MB

  • Sample

    221207-kgf2hsdg6y

  • MD5

    c19e64d1bb68322c1abc0b535bcbce15

  • SHA1

    90c259d09774942902e1aa43e020bd621bf9a547

  • SHA256

    b3309e7b305f37f596c95916b7172c6b929888da029f0d5cbb95e17400e83a84

  • SHA512

    529b58676e1a3de7451f80d335cc65def88e187e31e06ed5a909427661dea02e507ada61ab29d29615836eb732d39893b01931b8c25fdc90303817193e240c3f

  • SSDEEP

    49152:nCAzrjHjBYyz2Z/ZrJJxsIKHyRXGsrSVD+9AAxKmxwz:nCAzz/z+JJxJFnri+9Aowz

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qvomoeworkyzeqvn

Targets

    • Target

      SecuriteInfo.com.Win32.MalwareX-gen.31096.7527.exe

    • Size

      2.2MB

    • MD5

      c19e64d1bb68322c1abc0b535bcbce15

    • SHA1

      90c259d09774942902e1aa43e020bd621bf9a547

    • SHA256

      b3309e7b305f37f596c95916b7172c6b929888da029f0d5cbb95e17400e83a84

    • SHA512

      529b58676e1a3de7451f80d335cc65def88e187e31e06ed5a909427661dea02e507ada61ab29d29615836eb732d39893b01931b8c25fdc90303817193e240c3f

    • SSDEEP

      49152:nCAzrjHjBYyz2Z/ZrJJxsIKHyRXGsrSVD+9AAxKmxwz:nCAzz/z+JJxJFnri+9Aowz

    • 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 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

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks