General

  • Target

    ab60cb42bcd6179d9dcc337880d14e6acc69cd8ce6de7972c7197bdbc87ab3a8

  • Size

    385KB

  • Sample

    220520-31njtahha4

  • MD5

    0df660b0cb851651516067fcd8d3cc20

  • SHA1

    2c55638ffa03afc7d715dfed89a5e05d79ce9cc3

  • SHA256

    ab60cb42bcd6179d9dcc337880d14e6acc69cd8ce6de7972c7197bdbc87ab3a8

  • SHA512

    ca34a417e89860054026af9e4d20c5cb60806a806f1b950843e248b0f64c4d6eef994f6a55758a54394a377a5157d9e2084e40721fba1a977cce943b6c90eb2a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.threewaystoharems.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    sales@123456

Targets

    • Target

      BOQ.exe

    • Size

      570KB

    • MD5

      5a6c5c9ef15e66c42f7cc9c44214269c

    • SHA1

      d3e1bf6693bc36a0e1649b3f4b322073fe1ab7a2

    • SHA256

      e0f7770371bb6692870714c68bc5e4d770864d3fee263a1fc6defbca0d9d299e

    • SHA512

      cc883176e73ad88a6feece566c49d8fc78d5fc83055faa0de067b716ce105240f2c95a5fb5d0454e699bbe4bff4922d2f0948ff3211d1860a118bc2e173f2595

    • AgentTesla

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

    • AgentTesla Payload

    • 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