Resubmissions

02/11/2023, 08:39

231102-kkac5sbf29 10

02/11/2023, 06:37

231102-hdw78age8v 1

02/11/2023, 06:25

231102-g6r9asge4t 10

02/11/2023, 06:19

231102-g3d79sgd91 1

General

  • Target

    https://cdn.discordapp.com/attachments/1161649140053319773/1169271335587946606/RFQ.js?ex=6554cbca&is=654256ca&hm=6e86b8822768611d513cea2c62e12486eb5f5da6159e7641760c156ed8768c7b&

  • Sample

    231102-g6r9asge4t

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://imageupload.io/ib/WJveX71agmOQ6Gw_1698762642.jpg

exe.dropper

https://imageupload.io/ib/WJveX71agmOQ6Gw_1698762642.jpg

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      https://cdn.discordapp.com/attachments/1161649140053319773/1169271335587946606/RFQ.js?ex=6554cbca&is=654256ca&hm=6e86b8822768611d513cea2c62e12486eb5f5da6159e7641760c156ed8768c7b&

    • AgentTesla

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

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Drops startup file

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks