General

  • Target

    d454f93f576ab127ca4755789b0b90ba72323a0ff49fd37002622ecd91cb7de1

  • Size

    484KB

  • Sample

    220520-3rallahdc2

  • MD5

    8e3e301e9ad690d024ba9461e7979317

  • SHA1

    ab0713076b547999e149ff85c13eb44f752aea70

  • SHA256

    d454f93f576ab127ca4755789b0b90ba72323a0ff49fd37002622ecd91cb7de1

  • SHA512

    715acee55edae10965b88b9cda3347afc227682e441a79c26749a4a9aff804d4014ad723eb54893ef29494848d71ea4a42bd18f53eb15c899b982f8bbaa43f43

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.coffiices.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    E5%lCvZ{l[6FG

Targets

    • Target

      Shipping Documents.doc.exe

    • Size

      609KB

    • MD5

      3cf0389affb5ba328147fed52b2c036a

    • SHA1

      479be8033a988e1bd41a5d3d2f97c921a76484f3

    • SHA256

      53a05748df93fa8c44d170d47a1abd61ec9ec27980867c7cb87d3d9841f70ccf

    • SHA512

      f14d760fb95e1b78284afd588ce887fe11dd68dcf0819055e865c2e628d47cd18ef72f900d82b5148954377a9edbeb7931fcf49911283b0948bed56b36f0dd96

    • 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

2
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks