General

  • Target

    DRAWINDS.doc

  • Size

    630KB

  • Sample

    210421-72h7hdtfrn

  • MD5

    67d7ab74d4766f745eb011f6ba6b3ded

  • SHA1

    4aa646c35f73591190724f90a6b10c35e23f176f

  • SHA256

    e78492f168d79c9e2301b3a1a9a19423c7307d191779d1529c0050e423898322

  • SHA512

    72b00273579c1c4abd9e5c5eabd129cc25ec743f81f1dc3225873649f9e6a441f025274c9dfa6a2db8bc3162be12ad17454e58a99627abb1ee3c30f7e9de7d0e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.soonlogistics.com
  • Port:
    587
  • Username:
    admin@soonlogistics.com
  • Password:
    admin6640!

Targets

    • Target

      DRAWINDS.doc

    • Size

      630KB

    • MD5

      67d7ab74d4766f745eb011f6ba6b3ded

    • SHA1

      4aa646c35f73591190724f90a6b10c35e23f176f

    • SHA256

      e78492f168d79c9e2301b3a1a9a19423c7307d191779d1529c0050e423898322

    • SHA512

      72b00273579c1c4abd9e5c5eabd129cc25ec743f81f1dc3225873649f9e6a441f025274c9dfa6a2db8bc3162be12ad17454e58a99627abb1ee3c30f7e9de7d0e

    • AgentTesla

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

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Execution

Exploitation for Client Execution

1
T1203

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

3
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

2
T1012

Collection

Data from Local System

3
T1005

Tasks