General

  • Target

    Order - P1145912.xlsx

  • Size

    301KB

  • Sample

    211021-gzc6ssagep

  • MD5

    5e61206f35ec665f82cb562446e4ab46

  • SHA1

    c88163a81f28e19aad85b985d142440dce3ac4a9

  • SHA256

    22bcae8baae7943034893204a48cb713ad2ab2ecaa2b0c5f781576291fcc15ab

  • SHA512

    2d787df6684fc1dcc81bee85286db4c6584932f0430e60b9f2f4c582ded602a4d026d37492661a806e14e068e15aa62fb14807a8569ed83fc0322fce2014dddf

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.everywhere-gtt.com
  • Port:
    587
  • Username:
    james@everywhere-gtt.com
  • Password:
    chidiebere1994

Targets

    • Target

      Order - P1145912.xlsx

    • Size

      301KB

    • MD5

      5e61206f35ec665f82cb562446e4ab46

    • SHA1

      c88163a81f28e19aad85b985d142440dce3ac4a9

    • SHA256

      22bcae8baae7943034893204a48cb713ad2ab2ecaa2b0c5f781576291fcc15ab

    • SHA512

      2d787df6684fc1dcc81bee85286db4c6584932f0430e60b9f2f4c582ded602a4d026d37492661a806e14e068e15aa62fb14807a8569ed83fc0322fce2014dddf

    • AgentTesla

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

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • AgentTesla Payload

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • 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.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Exploitation for Client Execution

1
T1203

Defense Evasion

Scripting

1
T1064

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

Email Collection

1
T1114

Tasks