Overview

overview

8

Static

static

8

8907fdf7f7...84.exe

windows7-x64

8

8907fdf7f7...84.exe

windows10-2004-x64

8

Sharing

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General

  • Target

    8907fdf7f7e67da2cdd8fe7c7ca435003deeb75e2e780ff77f4a702ec26d2484

  • Size

    614KB

  • Sample

    221003-ad88sahhbj

  • MD5

    4042240f43c436dbc4d24dfe02a060e0

  • SHA1

    858e10b8447448a20da9bdeabb86b72d340aa5ff

  • SHA256

    8907fdf7f7e67da2cdd8fe7c7ca435003deeb75e2e780ff77f4a702ec26d2484

  • SHA512

    39489f20b58156435f9dbd17957d14bcb2b48acbae2ead0f9d87feb8156b4a4e9e57c5345c6f7f83b113831996c38b867336b56e78215ccfd2c038718e7056ca

  • SSDEEP

    12288:Bfi3cKVKgTo3CPxvkS/z5jk/uZcz/ZlDka1B5Jm:li3jVdTo3Ide4czjkw5s

Score
8/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      8907fdf7f7e67da2cdd8fe7c7ca435003deeb75e2e780ff77f4a702ec26d2484

    • Size

      614KB

    • MD5

      4042240f43c436dbc4d24dfe02a060e0

    • SHA1

      858e10b8447448a20da9bdeabb86b72d340aa5ff

    • SHA256

      8907fdf7f7e67da2cdd8fe7c7ca435003deeb75e2e780ff77f4a702ec26d2484

    • SHA512

      39489f20b58156435f9dbd17957d14bcb2b48acbae2ead0f9d87feb8156b4a4e9e57c5345c6f7f83b113831996c38b867336b56e78215ccfd2c038718e7056ca

    • SSDEEP

      12288:Bfi3cKVKgTo3CPxvkS/z5jk/uZcz/ZlDka1B5Jm:li3jVdTo3Ide4czjkw5s

    Score
    8/10
    bootkitpersistenceupx

    • Executes dropped EXE

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Writes to the Master Boot Record (MBR)

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

      bootkitpersistence

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    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

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks