General

  • Target

    DO2001399_pdf.exe

  • Size

    16KB

  • Sample

    210226-z21tehnmbx

  • MD5

    98b3084239191f071af134303a3c7d75

  • SHA1

    f6df381c2328237993afff623d10427192af1bfb

  • SHA256

    155fd2e71fa6a2962d5353bc3a2c307b06fc6b04ad205f50733e6e0e635c09ec

  • SHA512

    c66cf91f2924b0ff6d611088a2e087b72e7221e3efc4ed54372d2a0002fa0c335ef7c1d7e250637bbdf01fe3ff6aa8acb9dd197bb9a2444db2327593f508d51b

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.soonlogistics.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    admin6640!

Targets

    • Target

      DO2001399_pdf.exe

    • Size

      16KB

    • MD5

      98b3084239191f071af134303a3c7d75

    • SHA1

      f6df381c2328237993afff623d10427192af1bfb

    • SHA256

      155fd2e71fa6a2962d5353bc3a2c307b06fc6b04ad205f50733e6e0e635c09ec

    • SHA512

      c66cf91f2924b0ff6d611088a2e087b72e7221e3efc4ed54372d2a0002fa0c335ef7c1d7e250637bbdf01fe3ff6aa8acb9dd197bb9a2444db2327593f508d51b

    • 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.

    • Adds Run key to start application

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks