Overview

overview

10

Static

static

3

bcb77b64ef...57.exe

windows7-x64

10

bcb77b64ef...57.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bcb77b64ef4a369f8b381aff4c6f1c57

  • Size

    982KB

  • Sample

    240309-y5bctshh8z

  • MD5

    bcb77b64ef4a369f8b381aff4c6f1c57

  • SHA1

    4624958cd8a724ad01868331d9a78a64fb0cdcb0

  • SHA256

    142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

  • SHA512

    9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a

  • SSDEEP

    24576:kkirwmPnCRldoDbhC8xyhFOKOl0TWfNBBx6xs30LM:kxrwmPnCS/TxAFOX+TYwxk0LM

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

      bcb77b64ef4a369f8b381aff4c6f1c57

    • Size

      982KB

    • MD5

      bcb77b64ef4a369f8b381aff4c6f1c57

    • SHA1

      4624958cd8a724ad01868331d9a78a64fb0cdcb0

    • SHA256

      142cf7f01ff7c99da5e16196325e3fa3a6d867ff0e50696d727c92696ba97ccf

    • SHA512

      9249aea1d4a0d467c544271297ee7b88851c586c9afab522f845a071d7551bbefdfc49b516d13bb5d31277ab194026ecd5852e0d751b0527e7543a2d9607405a

    • SSDEEP

      24576:kkirwmPnCRldoDbhC8xyhFOKOl0TWfNBBx6xs30LM:kxrwmPnCS/TxAFOX+TYwxk0LM

    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

    • 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

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

Resource Development

Reconnaissance

Tasks