General

  • Target

    PO#88224.zip

  • Size

    455KB

  • Sample

    230517-hx74tsea82

  • MD5

    a14bcfb6af44127eef2500c075bb7ada

  • SHA1

    8112320003f472fa76e3f0f5cb3cdaa142f901dc

  • SHA256

    5e7563f28d1b5ecfcabbfb651823564dbeee5986ec0ad608b446b01c0e74d9fe

  • SHA512

    52046f5e8f73cb8fab7bf4ce56be86e56d0a5c01269c86b374a74ca76e91f7f58fe2e0f106bafe5033d9b9cec5aff4b382fb4de9f6822d117ee1c62a3331a1ed

  • SSDEEP

    12288:0gcLr2S5jSx0T4xxUVJDYAwBu2NaV2XQFVvohX2ZY:0gcLrR60TNHDYAwBu2NaYgbPZY

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5814058627:AAFjPgERfyp3AZJXAfISMezajcw2VR_A_9U/

Targets

    • Target

      PO#88224.exe

    • Size

      753KB

    • MD5

      ba1dc42c5cbe27f3ed63e436d5fac0c0

    • SHA1

      4faacf626c11722671336f4b1210c08b2c26d02a

    • SHA256

      12dd7993470fb8771929bc1fa70876866bb29f8a4f43d5c79dc8d643501bd3a0

    • SHA512

      135ad53056e9c939b3d09bb080054ed4673513db1b111034ba92951b02c091fc1cee0bd9234b7864f0a8970f37046304aee49ea65243daea06bdfd368cdd46a2

    • SSDEEP

      12288:31G4GSljST0TshfMVJDYCwDU2NgD29QJVvGjJ250:44dq0TdHDYCwDU2NgamnP50

    • 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

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks