Overview

overview

10

Static

static

089a955d54...f7.exe

windows7_x64

10

089a955d54...f7.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

  • Size

    1.5MB

  • Sample

    220530-z9b1laffbn

  • MD5

    a95b331fccf2956d61809a5cd4c8ae80

  • SHA1

    2c174632ebdb5a799763d0d798f73513065ec28c

  • SHA256

    089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

  • SHA512

    be7a0217dae7eb90974aeffde0c3ca660f07fb9fc8ade2766455bbffee93c6fe5d081a78ea1a4cddbe29da359912f5f2f98a38fa27154cb39d3142bb196d9e22

Score
10/10
webmonitorbackdoorinfostealerpersistenceratupx

Malware Config

Extracted

Family

webmonitor

C2

preetha.wm01.to:443

Attributes
  • config_key

    QuvlUX1F0t9VVObPIMdFN2IC4RdIDe8m

  • private_key

    32i3qiVRG

  • url_path

    /recv5.php

Targets

    • Target

      089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

    • Size

      1.5MB

    • MD5

      a95b331fccf2956d61809a5cd4c8ae80

    • SHA1

      2c174632ebdb5a799763d0d798f73513065ec28c

    • SHA256

      089a955d548f789370a8cacbf2c3f35f34b10cb087686ddada98db5dfc717bf7

    • SHA512

      be7a0217dae7eb90974aeffde0c3ca660f07fb9fc8ade2766455bbffee93c6fe5d081a78ea1a4cddbe29da359912f5f2f98a38fa27154cb39d3142bb196d9e22

    Score
    10/10
    webmonitorbackdoorinfostealerpersistenceratupx

    • 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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • 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