Overview

overview

8

Static

static

8

81c452de78...0f.exe

windows7_x64

8

81c452de78...0f.exe

windows10-2004_x64

8

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General

  • Target

    81c452de78c83531b2ef905b6d15d12f796e02265f823151b29407d7e14a340f

  • Size

    1.3MB

  • Sample

    220524-153hesdgak

  • MD5

    0fadc09ff72014be0b6b54239226d438

  • SHA1

    f21a0d5a67973ee2340f64c1bad7f84cf98911f2

  • SHA256

    81c452de78c83531b2ef905b6d15d12f796e02265f823151b29407d7e14a340f

  • SHA512

    83283ba9cdc17255f6a6d6087ec7baa3133977c237bd188d733d3a18d29c2dc37540dd32baf0ebbe1453485b218a1c887fc92f693dddeaf33b217af870427171

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      81c452de78c83531b2ef905b6d15d12f796e02265f823151b29407d7e14a340f

    • Size

      1.3MB

    • MD5

      0fadc09ff72014be0b6b54239226d438

    • SHA1

      f21a0d5a67973ee2340f64c1bad7f84cf98911f2

    • SHA256

      81c452de78c83531b2ef905b6d15d12f796e02265f823151b29407d7e14a340f

    • SHA512

      83283ba9cdc17255f6a6d6087ec7baa3133977c237bd188d733d3a18d29c2dc37540dd32baf0ebbe1453485b218a1c887fc92f693dddeaf33b217af870427171

    Score
    8/10
    bootkitpersistenceupx

    • Downloads MZ/PE file

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • 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

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks