Overview

overview

7

Static

static

3

7z2401-x64.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    80s
  • max time network
    82s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240221-en
  • resource tags

    arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    28-02-2024 08:23

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General

  • Target

    7z2401-x64.exe

  • Size

    1.5MB

  • MD5

    de644b4e1086f1315c422f359133543b

  • SHA1

    54be86d121879b0e5d86604297c57a926d665fa8

  • SHA256

    17a507cce4066c4be7db53d64d9a9e11dfecfd4f2411393690506e591b5895cd

  • SHA512

    714d41254352d91834a4b648d613e9b4452b93b097b5781ec5bf3ec7c310a489d3a1c409b2f0a6946822b96f6943b579910d26a5f4324b320d485e856dbdcb1a

  • SSDEEP

    49152:8yEuRNRgYQYk6tC0tkaNuiXatTQY7quUncuTVyvn65:8yEoL7tCzlqLcuBz5

Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Registers COM server for autorun 1 TTPs 3 IoCs
    persistence
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

    discovery
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies registry class 21 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z2401-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2401-x64.exe"
    1⤵
    • Registers COM server for autorun
    • Drops file in Program Files directory
    • Modifies registry class
    PID:4900
  • C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
    "C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:2252
  • C:\Program Files\7-Zip\7zFM.exe
    "C:\Program Files\7-Zip\7zFM.exe"
    1⤵
    • Executes dropped EXE
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:796

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files\7-Zip\7zFM.exe
    Filesize

    929KB

    MD5

    6156ebaea891ddbfcb1187f628ec7577

    SHA1

    778fd5d5dec21f95c5aa554567e06da8295b9a47

    SHA256

    4853947e14bf30ab40702c34f80fb113c45619a73f89a938f2284c786e35c9fe

    SHA512

    ed166095ceb46ff77e1081263aea03cb97b5d244a7e4060b6b37c847fd496a7e577f297846414ff130e01484f44f9da2566e2572c6cd69e9b419c311799a511a

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  • C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat
    Filesize

    10KB

    MD5

    eebfb84605e05222e3ad98f4b9f62db2

    SHA1

    36ddd440df5b2776281ad245a6a57e7a183c09a0

    SHA256

    4a9b70f7113d5c252937ad9bbfa110031124ffe3643648db3f944111b61bd559

    SHA512

    90e6f46d36c30783af4032f72beb58eb157849a8197e39945542da8a0c1313cb87e91f18a732f5718ec6a676fcd790458419bcc22c608824416fa6df14bf5ba6

    Download Submit