Overview

overview

10

Static

static

396b8a398d...fc.exe

windows7_x64

10

396b8a398d...fc.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    396b8a398dbb41566456dfc4b114b23fcb2842a6f574c0fd7d9033f548a97ffc

  • Size

    819KB

  • Sample

    220625-mmlkasaha2

  • MD5

    5565f0e1f3d19760c449fc3b01a61a45

  • SHA1

    0c62e6457299dce75b66db6965c4c1f13f4cb663

  • SHA256

    396b8a398dbb41566456dfc4b114b23fcb2842a6f574c0fd7d9033f548a97ffc

  • SHA512

    36150a9ee821325bbe7dd03417feecdd546777ad19c2c6c11404e2233521b5ee4faf831bbc9a8ac2a136f51197016cf065207b9535a8cd21da7bdbec9b281259

Score
10/10
webmonitorbackdoorinfostealerratsuricataupx

Malware Config

Extracted

Family

webmonitor

C2

arglobal.wm01.to:443

Attributes
  • config_key

    ziKbg2IBpBxL34Yr4SWnQnV4SqpF6Yy4

  • private_key

    X2HBeL4iM

  • url_path

    /recv4.php

Targets

    • Target

      396b8a398dbb41566456dfc4b114b23fcb2842a6f574c0fd7d9033f548a97ffc

    • Size

      819KB

    • MD5

      5565f0e1f3d19760c449fc3b01a61a45

    • SHA1

      0c62e6457299dce75b66db6965c4c1f13f4cb663

    • SHA256

      396b8a398dbb41566456dfc4b114b23fcb2842a6f574c0fd7d9033f548a97ffc

    • SHA512

      36150a9ee821325bbe7dd03417feecdd546777ad19c2c6c11404e2233521b5ee4faf831bbc9a8ac2a136f51197016cf065207b9535a8cd21da7bdbec9b281259

    Score
    10/10
    webmonitorbackdoorinfostealerratsuricataupx

    • 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

    • suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

      suricata: ET MALWARE WebMonitor/RevCode RAT CnC Domain in DNS Lookup

      suricata

    • UPX packed file

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

      upx

    • Drops startup file

    • Unexpected DNS network traffic destination

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

    • Uses the VBS compiler for execution

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scripting

1
T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1
T1064

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks