Overview

overview

9

Static

static

43069e5aa6...7f.exe

windows7_x64

8

43069e5aa6...7f.exe

windows10_x64

9

Sharing

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General

  • Target

    5669746397839360.zip

  • Size

    6.3MB

  • Sample

    210716-9lbwd7rxqe

  • MD5

    1c22f5ae7487a55824b42e98b7eb7e6a

  • SHA1

    aa477c52ba0b8f4ecc1d831ad86aa7b3153bb6ac

  • SHA256

    aebd263f2c619f822024952554aace5a85b2db620e567d5c6065db62683e3c22

  • SHA512

    36e6f9a1d095f90c91ec9576461b29f19f08097ca04fc3ec0a4ba0ec20fc2154d1a51739de12bbb683c75f32f5b5e2326fc4af8cd89a753efc59727d770704b8

Score
9/10
bootkitevasionmacropersistencespywarestealertrojanxlm

Malware Config

Targets

    • Target

      43069e5aa6eb22a19b4384a4c365f66a795358897b7c6d150cdefb809bb2ba7f

    • Size

      6.4MB

    • MD5

      f8955d98605d27a397492f0cedbb55f3

    • SHA1

      058c7a9ace05fbd7d8105033c675bdfa90a9c379

    • SHA256

      43069e5aa6eb22a19b4384a4c365f66a795358897b7c6d150cdefb809bb2ba7f

    • SHA512

      5664b483d65aabad7b09547a90ed2de8758038d1e048e729e6025604bf795995e521aca4474a4a18d6d6c5d94a34e46f4f3bfc809c18f1ed747592f86b2149d3

    Score
    9/10
    bootkitmacropersistencespywarestealerxlmevasiontrojan

    • Nirsoft

    • Executes dropped EXE

    • Suspicious Office macro

      Office document equipped with 4.0 macros.

      macroxlm

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Checks whether UAC is enabled

      evasiontrojan

    • 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

System Information Discovery

4
T1082

Query Registry

2
T1012

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Lateral Movement

Collection

Data from Local System

1
T1005

Exfiltration

Command and Control

Impact

Tasks