Overview

overview

8

Static

static

3911090c49...a1.exe

windows7_x64

8

3911090c49...a1.exe

windows10-2004_x64

8

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General

  • Target

    3911090c49c42ddc26c497467f1509e5bf09f33a2b8ecf922e87c1dcb30567a1

  • Size

    6.1MB

  • Sample

    220520-fk4vjaahb5

  • MD5

    910e90ff062405be912274a4d7220319

  • SHA1

    17b2b28b0dcefa014bc91da00909740e73b8e6c6

  • SHA256

    3911090c49c42ddc26c497467f1509e5bf09f33a2b8ecf922e87c1dcb30567a1

  • SHA512

    91e9402b5f21dc3a726afb73c40da0c21b53da3b195591a74242c232626dd3d905e9f51e6f7bab3f06fea30464cf1e7cbc264ea77e0923e59f4c5c0291fabe6e

Score
8/10
bootkitpersistence

Malware Config

Targets

    • Target

      3911090c49c42ddc26c497467f1509e5bf09f33a2b8ecf922e87c1dcb30567a1

    • Size

      6.1MB

    • MD5

      910e90ff062405be912274a4d7220319

    • SHA1

      17b2b28b0dcefa014bc91da00909740e73b8e6c6

    • SHA256

      3911090c49c42ddc26c497467f1509e5bf09f33a2b8ecf922e87c1dcb30567a1

    • SHA512

      91e9402b5f21dc3a726afb73c40da0c21b53da3b195591a74242c232626dd3d905e9f51e6f7bab3f06fea30464cf1e7cbc264ea77e0923e59f4c5c0291fabe6e

    Score
    8/10
    bootkitpersistence

    • Executes dropped EXE

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • 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
    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks