Overview

overview

10

Static

static

3

fac4b5a9c4...3c.exe

windows7-x64

10

fac4b5a9c4...3c.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fac4b5a9c4f10517f44d4ae172f6473c

  • Size

    1.9MB

  • Sample

    231228-1rn3waeed5

  • MD5

    fac4b5a9c4f10517f44d4ae172f6473c

  • SHA1

    2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee

  • SHA256

    d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

  • SHA512

    6b8dc4430f6068eaac9d27e4f322d1ae921f56b9940e266ba44ed791917c37b14bb9cb1ea3b861da36d9efe44af7acf75264e19d60a5fb1e89deabd1afa1bdbc

  • SSDEEP

    24576:qYOSCmr2OsBgo0q4wMEX1RTdVfm6ZWZmMv1XdyqTQV0QQXTMrBwtP9kvIuyR:qq/oHMEX1XVO6o91tn6IPtP9kvSR

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

      fac4b5a9c4f10517f44d4ae172f6473c

    • Size

      1.9MB

    • MD5

      fac4b5a9c4f10517f44d4ae172f6473c

    • SHA1

      2304b22499e60fa87ea5f9d3fee5f6d9ecacf9ee

    • SHA256

      d6593053bda046cd96e0e5e508e0f57622c464738838b84984e35e683d46c414

    • SHA512

      6b8dc4430f6068eaac9d27e4f322d1ae921f56b9940e266ba44ed791917c37b14bb9cb1ea3b861da36d9efe44af7acf75264e19d60a5fb1e89deabd1afa1bdbc

    • SSDEEP

      24576:qYOSCmr2OsBgo0q4wMEX1RTdVfm6ZWZmMv1XdyqTQV0QQXTMrBwtP9kvIuyR:qq/oHMEX1XVO6o91tn6IPtP9kvSR

    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

    • CustAttr .NET packer

      Detects CustAttr .NET packer in memory.

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks