Overview

overview

10

Static

static

ExcelViewerss.exe

windows7_x64

10

ExcelViewerss.exe

windows10_x64

8

Sharing

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General

  • Target

    ExcelViewerss.exe

  • Size

    571KB

  • Sample

    210527-hbsx4839aa

  • MD5

    40d56ef0857cd5fe0ba21d20c73686e2

  • SHA1

    90a8bdadbdebfcaf3a1e146472d56db7d531f921

  • SHA256

    d1623332c586135747a2575bec4ee783f299c5fca0f527f0328ea47691e9506d

  • SHA512

    74953fa8056f17e96831cf932a482907af00ef22008a4c829da339d3c55fb9696ba812c605155486971cdc4427cb85bf4d63f0e29ffdb46c602be083bdcdc038

Score
10/10
webmonitorbackdoorinfostealerpersistenceratupx

Malware Config

Targets

    • Target

      ExcelViewerss.exe

    • Size

      571KB

    • MD5

      40d56ef0857cd5fe0ba21d20c73686e2

    • SHA1

      90a8bdadbdebfcaf3a1e146472d56db7d531f921

    • SHA256

      d1623332c586135747a2575bec4ee783f299c5fca0f527f0328ea47691e9506d

    • SHA512

      74953fa8056f17e96831cf932a482907af00ef22008a4c829da339d3c55fb9696ba812c605155486971cdc4427cb85bf4d63f0e29ffdb46c602be083bdcdc038

    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

    • UPX packed file

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

      upx

    • 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

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks