General

  • Target

    58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d

  • Size

    1.1MB

  • Sample

    240429-1pfnqacd85

  • MD5

    271556a6e502efc394f570f3c57c8596

  • SHA1

    74c9c4d81c32f7e2c0b4cdc0a21bc916255b7249

  • SHA256

    58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d

  • SHA512

    dcf7c92c8aa85518edddb95b01935b805fb59b36c7c8b013ae51fa6afc176fb9657fa731dfb421193d0b433f0ea139de2aeeec96d48673866f69b71410826735

  • SSDEEP

    24576:rqDEvCTbMWu7rQYlBQcBiT6rprG8atQ3XBrIgKm3pW:rTvC/MTQYxsWR7atQ39I+Z

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d

    • Size

      1.1MB

    • MD5

      271556a6e502efc394f570f3c57c8596

    • SHA1

      74c9c4d81c32f7e2c0b4cdc0a21bc916255b7249

    • SHA256

      58d1cf060d10e302a7cb4527dbbbc547311e5166e0a34871356024c444ee441d

    • SHA512

      dcf7c92c8aa85518edddb95b01935b805fb59b36c7c8b013ae51fa6afc176fb9657fa731dfb421193d0b433f0ea139de2aeeec96d48673866f69b71410826735

    • SSDEEP

      24576:rqDEvCTbMWu7rQYlBQcBiT6rprG8atQ3XBrIgKm3pW:rTvC/MTQYxsWR7atQ39I+Z

    • 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 binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

    • 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

    • 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

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Tasks