Overview

overview

7

Static

static

1

8da9e6d81d...a6.exe

windows7-x64

7

8da9e6d81d...a6.exe

windows10-2004-x64

7

Sharing

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General

  • Target

    8da9e6d81d1c75f2096569cf7fbb0aac9935973bfd1a07224872a5e4751ab3a6

  • Size

    31.3MB

  • Sample

    230327-jhrzqsed5s

  • MD5

    725ca74f7130d31b4c39c36d069b9795

  • SHA1

    d13350b16df10edf2fdfa14b2b0e755d4c88e1a1

  • SHA256

    8da9e6d81d1c75f2096569cf7fbb0aac9935973bfd1a07224872a5e4751ab3a6

  • SHA512

    2dd5fc3ac723b1a4a6926f8333a90af9217b78255ae21cfd7928dca6dc20c952d2302b5d3097bce4adab857540ab475136dadcbe97244bd598509f79601eedf8

  • SSDEEP

    786432:VlT7NPyLNCgGeoKA/OdTYEgW4eJopfW9Pj9o3Tp:VlT7dcDzohOdzgZQhC

Score
7/10
bootkitpersistence

Malware Config

Targets

    • Target

      8da9e6d81d1c75f2096569cf7fbb0aac9935973bfd1a07224872a5e4751ab3a6

    • Size

      31.3MB

    • MD5

      725ca74f7130d31b4c39c36d069b9795

    • SHA1

      d13350b16df10edf2fdfa14b2b0e755d4c88e1a1

    • SHA256

      8da9e6d81d1c75f2096569cf7fbb0aac9935973bfd1a07224872a5e4751ab3a6

    • SHA512

      2dd5fc3ac723b1a4a6926f8333a90af9217b78255ae21cfd7928dca6dc20c952d2302b5d3097bce4adab857540ab475136dadcbe97244bd598509f79601eedf8

    • SSDEEP

      786432:VlT7NPyLNCgGeoKA/OdTYEgW4eJopfW9Pj9o3Tp:VlT7dcDzohOdzgZQhC

    Score
    7/10
    bootkitpersistence

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks