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Overview

overview

10

Static

static

3

build.exe

windows11-21h2-x64

8

build.exe

windows7-x64

10

build.exe

windows10-1703-x64

8

build.exe

windows10-2004-x64

8

build.exe

windows11-21h2-x64

10

Sharing

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General

  • Target

    build.exe

  • Size

    2.7MB

  • Sample

    240520-snmrmsfh21

  • MD5

    0c850a76eefc61c093947fb1c781a109

  • SHA1

    4559833eb4f29b9d00c51b04e482820349bb5c3f

  • SHA256

    091a487bcb16c59a3575d4d1173e6debcdcbf5b384f32cd357c6308125fa9c01

  • SHA512

    32ff706d1e1a490362bb0d9c3e70677030f7c754b67f3a5eb3dcf7af7781674bb1bbf7af3261333df576bc1944d6d4a1dc88b9ad772230c9b8d3c49e9232c6e3

  • SSDEEP

    49152:Gy4/EwJl8GqE0XElRrFMdIClcyGbqJRfKi2WxTDO2bU0C7xoNqn9cfgf:GD/Tl8Gq9IJryGbGKijxnKd7xpnK

Score
10/10
evasionexecutionpersistence

Malware Config

Targets

    • Target

      build.exe

    • Size

      2.7MB

    • MD5

      0c850a76eefc61c093947fb1c781a109

    • SHA1

      4559833eb4f29b9d00c51b04e482820349bb5c3f

    • SHA256

      091a487bcb16c59a3575d4d1173e6debcdcbf5b384f32cd357c6308125fa9c01

    • SHA512

      32ff706d1e1a490362bb0d9c3e70677030f7c754b67f3a5eb3dcf7af7781674bb1bbf7af3261333df576bc1944d6d4a1dc88b9ad772230c9b8d3c49e9232c6e3

    • SSDEEP

      49152:Gy4/EwJl8GqE0XElRrFMdIClcyGbqJRfKi2WxTDO2bU0C7xoNqn9cfgf:GD/Tl8Gq9IJryGbGKijxnKd7xpnK

    Score
    10/10
    evasionexecutionpersistence

    • Modifies security service

      evasion

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

      execution

    • Creates new service(s)

      persistenceexecution

    • Sets service image path in registry

      persistence

    • Stops running service(s)

      evasionexecution

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2behavioral3behavioral4behavioral5

MITRE ATT&CK Enterprise v15

Tasks