General

  • Target

    15d2a43a0424b074f4e9f306f95bd04f9a3c33561b021364a8edaa78767c631c.exe

  • Size

    658KB

  • Sample

    240328-cg1f6ach4y

  • MD5

    288ca7008a4c4c5209c6ec3e140686bc

  • SHA1

    70ce1b94aa00f963cf520b436c2d5559b7d44107

  • SHA256

    15d2a43a0424b074f4e9f306f95bd04f9a3c33561b021364a8edaa78767c631c

  • SHA512

    a7ce1d18fa745e0c1c55af0e3cdbb7c9b32ffb1eecb9f1075978c283e8b34edf83607711de93abed5293bb9e6143862a6980ce8d3dd72bcf084dfb9647a0fece

  • SSDEEP

    12288:fH2iNlw0QKtgmz6wAAGCtp46wxdpXSiYFvaytWF7Mvs6gcGBWYTzqbC:v1Xhfz6aG8oMi7F7QuWY6G

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    sg2plcpnl0128.prod.sin2.secureserver.net
  • Port:
    587
  • Username:
    accounts@equityhyundai.com
  • Password:
    oc27-JcbRAO~
  • Email To:
    xqalloys@gmail.com

Targets

    • Target

      15d2a43a0424b074f4e9f306f95bd04f9a3c33561b021364a8edaa78767c631c.exe

    • Size

      658KB

    • MD5

      288ca7008a4c4c5209c6ec3e140686bc

    • SHA1

      70ce1b94aa00f963cf520b436c2d5559b7d44107

    • SHA256

      15d2a43a0424b074f4e9f306f95bd04f9a3c33561b021364a8edaa78767c631c

    • SHA512

      a7ce1d18fa745e0c1c55af0e3cdbb7c9b32ffb1eecb9f1075978c283e8b34edf83607711de93abed5293bb9e6143862a6980ce8d3dd72bcf084dfb9647a0fece

    • SSDEEP

      12288:fH2iNlw0QKtgmz6wAAGCtp46wxdpXSiYFvaytWF7Mvs6gcGBWYTzqbC:v1Xhfz6aG8oMi7F7QuWY6G

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables packed with SmartAssembly

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks