General

  • Target

    de47dc3211a804a39c03c4f646ca0f0b1d95c092a0cad1e61db9196394613beb.zip

  • Size

    665KB

  • Sample

    240328-c6vxzaba77

  • MD5

    eaa65962797ce68df837f88961ac895a

  • SHA1

    4af5bd05af2504ad0f48257c46240f63b485c9a9

  • SHA256

    de47dc3211a804a39c03c4f646ca0f0b1d95c092a0cad1e61db9196394613beb

  • SHA512

    e62d0694a8d405a3b3e90416481639429b3a4003b64da85086d0940a14eb402f1a4570673e55c508e3c24426f9eda0425486c32d2a017618340c29d9c0e893da

  • SSDEEP

    12288:aTblyisDArPEvjzxFNdeFFTiHjwHhvOxZP+mIfk40Xjqyk/iDDMnS:aHcBDQPYneniUBWvIfkRmViEnS

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    info@ipr-co.org
  • Password:
    IPRco@100102@
  • Email To:
    jinhux31@gmail.com

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ipr-co.org
  • Port:
    587
  • Username:
    info@ipr-co.org
  • Password:
    IPRco@100102@

Targets

    • Target

      NEW ORDER -RA2000000056.exe

    • Size

      740KB

    • MD5

      8c858aa84563521e1f1b36a4837eac48

    • SHA1

      c6116fa6f72fd6abfbfcd2e3cbde61f1a8fedda8

    • SHA256

      bd97d642866f3aaa69be60fe0ca7f96bc495e5d060a4c0827a9929b02df7b449

    • SHA512

      f24dab450b2aad62eb5b6bbfd9b10f6d4178daf2fcb3eb32f766adac8a94c903e36995f08e49cd6537607081b40a5a932272abfa4990a325b850986cc1b6f18d

    • SSDEEP

      12288:9d1JsJ6SPn1Sh2iNwKiQuvjvxGzuCMFqJi7vwlnvCpXJYKAFkIQXjx8hbHu2Z51S:9dcw1GzQScpMgJiU1a3AFkj9au2h

    • 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