Overview

overview

8

Static

static

otc.dll

windows7_x64

otc.dll

windows10_x64

Sharing

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General

  • Target

    otc.dll

  • Size

    6.7MB

  • Sample

    210302-287t47zlsn

  • MD5

    ac143c03230580b1724eaf4ded0abd91

  • SHA1

    9d33fc3265c79063b490f7ea24e76abdf8759ebc

  • SHA256

    11733d8d99b64ee8a903edb7182dfee06efc800446ba9d84c444df36d67ce34e

  • SHA512

    7500dbf6e71c4c4cfd381171fdd244d783026a4f7796540249799b8cda5daa3fbbad552dd35e0a3bb386b69e8b61dd75bc926afa01436b4c08e6ee851a53f6d7

Score
8/10
bootkitransomware

Malware Config

Targets

    • Target

      otc.dll

    • Size

      6.7MB

    • MD5

      ac143c03230580b1724eaf4ded0abd91

    • SHA1

      9d33fc3265c79063b490f7ea24e76abdf8759ebc

    • SHA256

      11733d8d99b64ee8a903edb7182dfee06efc800446ba9d84c444df36d67ce34e

    • SHA512

      7500dbf6e71c4c4cfd381171fdd244d783026a4f7796540249799b8cda5daa3fbbad552dd35e0a3bb386b69e8b61dd75bc926afa01436b4c08e6ee851a53f6d7

    Score
    8/10
    bootkitransomware

    • Modifies WinLogon to allow AutoLogon

      Enables rebooting of the machine without requiring login credentials.

      ransomwarebootkit
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1
T1004

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks