General

  • Target

    Shipping Document BL Copy.exe

  • Size

    691KB

  • Sample

    211202-rykvcshgcq

  • MD5

    a11bddf84a3f7098a1200185d96d2ddf

  • SHA1

    c9efd834b1b17605802da4ecd61bac2354e980e7

  • SHA256

    32669b1a78afc2cc0017cef36385f47d9c851fabf6aead330bee2330a493a92c

  • SHA512

    09f50dd907702d9a75a1168d9787f5a3924e55b5d5328e6927c55e5c8573aa0d6635a02face68aae38789d9242125bf69f161457faee645898e545885f1b27c1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.demo.jeninfo.com
  • Port:
    587
  • Username:
    finance@demo.jeninfo.com
  • Password:
    %e&qapQ3oNkx

Targets

    • Target

      Shipping Document BL Copy.exe

    • Size

      691KB

    • MD5

      a11bddf84a3f7098a1200185d96d2ddf

    • SHA1

      c9efd834b1b17605802da4ecd61bac2354e980e7

    • SHA256

      32669b1a78afc2cc0017cef36385f47d9c851fabf6aead330bee2330a493a92c

    • SHA512

      09f50dd907702d9a75a1168d9787f5a3924e55b5d5328e6927c55e5c8573aa0d6635a02face68aae38789d9242125bf69f161457faee645898e545885f1b27c1

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • 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

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks