Overview

overview

9

Static

static

Setup.exe

windows7_x64

8

Setup.exe

windows10_x64

9

Sharing

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General

  • Target

    Setup.exe

  • Size

    4.2MB

  • Sample

    210306-t871akr45s

  • MD5

    afd51e2ff7beac4d0c88d8f872d6d0d5

  • SHA1

    185fd4793db912410de63ac7a5a3b1ac9c266b38

  • SHA256

    cecdc8bd4344647b2182696cf04e1db4fbb29aee6b46811999008901910b5c19

  • SHA512

    eed33fd55a82fceea21f522a6c59d3e318d7e73c86e9b1f039e37b3ccd6c0b58df24dabfcb71d8ccb818dd236cc329804d6a947240619ad26aed8713fe19a418

Score
9/10
bootkitmacropersistencespywarexlm

Malware Config

Targets

    • Target

      Setup.exe

    • Size

      4.2MB

    • MD5

      afd51e2ff7beac4d0c88d8f872d6d0d5

    • SHA1

      185fd4793db912410de63ac7a5a3b1ac9c266b38

    • SHA256

      cecdc8bd4344647b2182696cf04e1db4fbb29aee6b46811999008901910b5c19

    • SHA512

      eed33fd55a82fceea21f522a6c59d3e318d7e73c86e9b1f039e37b3ccd6c0b58df24dabfcb71d8ccb818dd236cc329804d6a947240619ad26aed8713fe19a418

    Score
    9/10
    bootkitmacropersistencespywarexlm

    • Nirsoft

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

      macroxlm

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

      spyware

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

System Information Discovery

2
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks