Overview

overview

7

Static

static

3

7z2405-x64.exe

windows7-x64

7

7z2405-x64.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    43s
  • max time network
    34s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17-05-2024 06:05

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General

  • Target

    7z2405-x64.exe

  • Size

    1.5MB

  • MD5

    c73433dd532d445d099385865f62148b

  • SHA1

    4723c45f297cc8075eac69d2ef94e7e131d3a734

  • SHA256

    12ef1c8127ec3465520e4cfd23605b708d81a5a2cf37ba124f018e5c094de0d9

  • SHA512

    1211c8b67652664d6f66e248856b95ca557d4fdb4ea90d30df68208055d4c94fea0d158e7e6a965eae5915312dee33f62db882bb173faec5332a17bd2fb59447

  • SSDEEP

    49152:ZEVAbJqaITViU3qLkr7toP9KT+uv6WC+5uxe1o58:ZEVcqeUaki9oBqt+

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 20 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7z2405-x64.exe
    "C:\Users\Admin\AppData\Local\Temp\7z2405-x64.exe"
    1⤵
    • Registers COM server for autorun
    • Drops file in Program Files directory
    • Modifies registry class
    PID:4116
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4156,i,13035806169561352434,1332896185314862791,262144 --variations-seed-version --mojo-platform-channel-handle=3812 /prefetch:8
    1⤵
      PID:756
    • 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:4204

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

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    Downloads

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

      960KB

      MD5

      b161d842906239bf2f32ad158bea57f1

      SHA1

      4a125d6cbeae9658e862c637aba8f8b9f3bf5cf7

      SHA256

      3345c48505e0906f1352499ba7cbd439ac0c509a33f04c7d678e2c960c8b9f03

      SHA512

      0d14c75c8e80af8246ddf122052190f5ffb1f81ffd5b752990747b7efcb566b49842219d9b26df9dbe267c9a3876d7b60158c9f08d295d0926b60dbbebc1fa3c

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