General

  • Target

    c0822708a2d2b1be0e853e96f1473f44

  • Size

    765KB

  • Sample

    240311-nt3b3abb5x

  • MD5

    c0822708a2d2b1be0e853e96f1473f44

  • SHA1

    eb299b3f06b4d1bda482fc98dad3fa740c8f0919

  • SHA256

    381c0425a341144eabce9490808898b95dfeeadb09aa280116eb688b93f3abeb

  • SHA512

    1b1392855592307ba4b0d344e49ad0a83be48a17970132c7df61aab28bde0c6c01e46dc15653cbf40665b2afa7e36baf57ecf2147f050e3ebfe2e3ea0f7f8b26

  • SSDEEP

    12288:DX7ER6qdlNwAunE4rd8PtAFnqIPbnokP8CJxSj18ScVwb9bTVxYoVVwqsEJn5znR:DX7Edw7nEwd8CxqIPLBJxSB8tVwZbTQM

Malware Config

Extracted

Family

webmonitor

C2

niiarmah.wm01.to:443

Attributes
  • config_key

    4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O

  • private_key

    yvkn5wM8E

  • url_path

    /recv5.php

Targets

    • Target

      STATEMENT OF ACCOUNT.exe

    • Size

      962KB

    • MD5

      d39da4595ca51a748ac33447965d80e3

    • SHA1

      e7e0ec21e7cb1d67c906169e6e039d4b29c423c7

    • SHA256

      77732e74850050bb6f935945e510d32a0499d820fa1197752df8bd01c66e8210

    • SHA512

      620cf557f657213ff9f52b2939fdd689906f4b634a20210d3a6062802b25e30d3085c3b6bf0336c880fa8deedafc67f4daee2dd999f911d86184bda47d3ba178

    • SSDEEP

      24576:0FsVd+29QFw53L5o3DVUYR35Xc32WBjshPQ:0FsqtFwaFi3JX

    • RevcodeRat, WebMonitorRat

      WebMonitor is a remote access tool that you can use from any browser access to control, and monitor your phones, or PCs.

    • WebMonitor payload

    • Checks computer location settings

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks