General

  • Target

    ET818xlsx.exe

  • Size

    792KB

  • Sample

    230327-z7c5wafc85

  • MD5

    22544043f85b9854e9dc204d3c6ad576

  • SHA1

    c57adb0975a16b0adcf8e2a29728f343a7177099

  • SHA256

    7967818a2f7372fe44eec025ff0fbba1d964a5fb20ac0c2f3d17dbaf1359cc29

  • SHA512

    86468823853af25ae653f477eb3f6545aad47576b3fd02fd87a7cc0e38fc2225b0e5f3f7b9a0b9d956d3afb23b323db4ec46f950fc9530a6eaf1cb4fb9e40863

  • SSDEEP

    12288:6f14CfyiII23mqIEtRwjZZCBSCptRdcqgx:dit2JIELKCBVp/dcqg

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6220647510:AAEXVL33hXP6OuuOG0utJ28707kS7BmjFfY/

Targets

    • Target

      ET818xlsx.exe

    • Size

      792KB

    • MD5

      22544043f85b9854e9dc204d3c6ad576

    • SHA1

      c57adb0975a16b0adcf8e2a29728f343a7177099

    • SHA256

      7967818a2f7372fe44eec025ff0fbba1d964a5fb20ac0c2f3d17dbaf1359cc29

    • SHA512

      86468823853af25ae653f477eb3f6545aad47576b3fd02fd87a7cc0e38fc2225b0e5f3f7b9a0b9d956d3afb23b323db4ec46f950fc9530a6eaf1cb4fb9e40863

    • SSDEEP

      12288:6f14CfyiII23mqIEtRwjZZCBSCptRdcqgx:dit2JIELKCBVp/dcqg

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks