Overview

overview

10

Static

static

48d173767b...76.exe

windows7_x64

10

48d173767b...76.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    48d173767bf24bb9ad394d2581ecedfdefc4e31fd79b114a79a196eca7fb8876

  • Size

    17.2MB

  • Sample

    220516-p4e5ysccb2

  • MD5

    ee9a4ee14382824e759636426db0aa6f

  • SHA1

    5ff8faa6df6c1ef352d4938be39a97092dd1c7c7

  • SHA256

    48d173767bf24bb9ad394d2581ecedfdefc4e31fd79b114a79a196eca7fb8876

  • SHA512

    4c7a3f81eb713b68c5cf8376ec5f55428294732f2c97bf5cd8bea876d569d2bf1e2d3a9c09e64b51411deaf37f1670d02a1cf192e7427f9cef3135f4a09b6656

Score
10/10
webmonitorbackdoorinfostealerpersistencerat

Malware Config

Extracted

Family

webmonitor

C2

worldbala.wm01.to:443

Attributes
  • config_key

    1vt5MKV6CcJnGWsNVlYXmKcidNN2mBKt

  • private_key

    NcwyDvFB8

  • url_path

    /recv4.php

Targets

    • Target

      48d173767bf24bb9ad394d2581ecedfdefc4e31fd79b114a79a196eca7fb8876

    • Size

      17.2MB

    • MD5

      ee9a4ee14382824e759636426db0aa6f

    • SHA1

      5ff8faa6df6c1ef352d4938be39a97092dd1c7c7

    • SHA256

      48d173767bf24bb9ad394d2581ecedfdefc4e31fd79b114a79a196eca7fb8876

    • SHA512

      4c7a3f81eb713b68c5cf8376ec5f55428294732f2c97bf5cd8bea876d569d2bf1e2d3a9c09e64b51411deaf37f1670d02a1cf192e7427f9cef3135f4a09b6656

    Score
    10/10
    webmonitorbackdoorinfostealerpersistencerat

    • 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.

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks