General

  • Target

    0353461e3456838001ee98fd63e0df5563fab3836b26600059e4deed142a73f6.exe

  • Size

    740KB

  • Sample

    240328-cfd7jaae74

  • MD5

    1dca538763d8b13f4eb4a059e9a98e3a

  • SHA1

    be4c6dcf98860463c94596a6febcd404ae1ffc22

  • SHA256

    0353461e3456838001ee98fd63e0df5563fab3836b26600059e4deed142a73f6

  • SHA512

    c8b6dd0f01e9667d13d09c8bdfd2d179bf1877b4f8c771d9e4b018f3452ad007583c1d3617154bdc02c43c8949ee42c0959015cd1270aa125cb2de314485823c

  • SSDEEP

    12288:Rd1JsJ6Sj31Sh2iNw25j2T50NBEursHNtPZLsWajF6QWDBVpv+ONfLemSgTGKCP0:Rdkw1G2prBbrsHN9ZLsNh1CBX3NzemjO

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    admin@normagroup.com.tr
  • Password:
    Kingdom12345@

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.normagroup.com.tr
  • Port:
    21
  • Username:
    admin@normagroup.com.tr
  • Password:
    Kingdom12345@

Targets

    • Target

      0353461e3456838001ee98fd63e0df5563fab3836b26600059e4deed142a73f6.exe

    • Size

      740KB

    • MD5

      1dca538763d8b13f4eb4a059e9a98e3a

    • SHA1

      be4c6dcf98860463c94596a6febcd404ae1ffc22

    • SHA256

      0353461e3456838001ee98fd63e0df5563fab3836b26600059e4deed142a73f6

    • SHA512

      c8b6dd0f01e9667d13d09c8bdfd2d179bf1877b4f8c771d9e4b018f3452ad007583c1d3617154bdc02c43c8949ee42c0959015cd1270aa125cb2de314485823c

    • SSDEEP

      12288:Rd1JsJ6Sj31Sh2iNw25j2T50NBEursHNtPZLsWajF6QWDBVpv+ONfLemSgTGKCP0:Rdkw1G2prBbrsHN9ZLsNh1CBX3NzemjO

    • 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

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks