Overview

overview

10

Static

static

b2c9e863e2...69.exe

windows7_x64

10

b2c9e863e2...69.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    b2c9e863e22409bbd43d7e3a43b6895081092124cb5c795a76272d7f392e1769

  • Size

    1.1MB

  • Sample

    220418-t6mp2aaed7

  • MD5

    4d08cd26844d557101ce21938812261c

  • SHA1

    fce26de220032955493d70dfb7b2b3e9bf04d909

  • SHA256

    b2c9e863e22409bbd43d7e3a43b6895081092124cb5c795a76272d7f392e1769

  • SHA512

    dcf1b8fed11f5b4bbc54e0e80bf5cda4cd7cf34bb2f478bbf4971a36d78bc6c7cb36b5e57539bc7bbc1445d476913dca818ef7cab208ef7da7beed17f2dd0809

Score
10/10
webmonitorbackdoorinfostealerrat

Malware Config

Extracted

Family

webmonitor

C2

niiarmah.wm01.to:443

Attributes
  • config_key

    4EcDHH7aWbl50LayUnuRlJWUXiKQWk0O

  • private_key

    yvkn5wM8E

  • url_path

    /recv5.php

Targets

    • Target

      b2c9e863e22409bbd43d7e3a43b6895081092124cb5c795a76272d7f392e1769

    • Size

      1.1MB

    • MD5

      4d08cd26844d557101ce21938812261c

    • SHA1

      fce26de220032955493d70dfb7b2b3e9bf04d909

    • SHA256

      b2c9e863e22409bbd43d7e3a43b6895081092124cb5c795a76272d7f392e1769

    • SHA512

      dcf1b8fed11f5b4bbc54e0e80bf5cda4cd7cf34bb2f478bbf4971a36d78bc6c7cb36b5e57539bc7bbc1445d476913dca818ef7cab208ef7da7beed17f2dd0809

    Score
    10/10
    webmonitorbackdoorinfostealerrat

    • RevcodeRat, WebMonitorRat

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

      backdoorratinfostealerwebmonitor

    • WebMonitor Payload

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks