General

  • Target

    New Order Feb.,2021.doc

  • Size

    1.8MB

  • Sample

    210120-ak63r7t5da

  • MD5

    f30d17390cd27063579259031b15aff2

  • SHA1

    0ad2253fcc50922c81af9872eac8bd8fd73ddd1b

  • SHA256

    438df5a980d0c5d2da217708f647eca7b16e6d9d9f474aca3d0c6d562bcaf06f

  • SHA512

    f9158abb34bd7f18933c3de2c6e88646a0ea9d40fda6a03f7dbc3cd2341c3cbf8ce1dbf8f9eb2940ef4a30b13adb2ae9d4e9eff6bf61eee6108f9115b251e45a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    polar.argondns.net
  • Port:
    587
  • Username:
    bretandmix@temsad.com
  • Password:
    ]4&w8LUz9*LT

Targets

    • Target

      New Order Feb.,2021.doc

    • Size

      1.8MB

    • MD5

      f30d17390cd27063579259031b15aff2

    • SHA1

      0ad2253fcc50922c81af9872eac8bd8fd73ddd1b

    • SHA256

      438df5a980d0c5d2da217708f647eca7b16e6d9d9f474aca3d0c6d562bcaf06f

    • SHA512

      f9158abb34bd7f18933c3de2c6e88646a0ea9d40fda6a03f7dbc3cd2341c3cbf8ce1dbf8f9eb2940ef4a30b13adb2ae9d4e9eff6bf61eee6108f9115b251e45a

    • AgentTesla

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

    • AgentTesla Payload

    • Blocklisted process makes network request

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Exploitation for Client Execution

1
T1203

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Tasks