Overview

overview

9

Static

static

3

814efbd86c...1f.exe

windows7-x64

9

814efbd86c...1f.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    92s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-08-2024 01:45

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    814efbd86c0d4e11bfeb5b4bc06c1b6f378455837789637ce581b22777b3a81f.exe

  • Size

    1.0MB

  • MD5

    69a45130e5e5aadaae4f023c6ea37725

  • SHA1

    28e1f0d8e479597f4d7b20c43bc8044482ebbc74

  • SHA256

    814efbd86c0d4e11bfeb5b4bc06c1b6f378455837789637ce581b22777b3a81f

  • SHA512

    357f9b5aca858c8a77b124674c4469a760cf7db340263217d02787eebeccef3c2e13676a8fbe44336cee6b3d3ff189b12ee197f4da6584be0ec6b9cedd7dc807

  • SSDEEP

    24576:6QMc/LMx3+ZoXdEwZuS2+gYUdX4h3dHt:668uZoNEwBg3XSJ

Score
9/10
defense_evasionevasionexecutionimpactransomware

Malware Config

Signatures

  • Deletes shadow copies 3 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution
  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
    ransomwareevasion
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Drops desktop.ini file(s) 28 IoCs
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 3 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

    ransomware
  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 3 IoCs
    evasion
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\814efbd86c0d4e11bfeb5b4bc06c1b6f378455837789637ce581b22777b3a81f.exe
    "C:\Users\Admin\AppData\Local\Temp\814efbd86c0d4e11bfeb5b4bc06c1b6f378455837789637ce581b22777b3a81f.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Drops file in Program Files directory
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    • System policy modification
    PID:2972
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin Delete Shadows /All /Quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\system32\vssadmin.exe
        vssadmin Delete Shadows /All /Quiet
        3⤵
        • Interacts with shadow copies
        PID:2656
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3756
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3548
      • C:\Windows\system32\bcdedit.exe
        bcdedit /set {default} bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:1060
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY /nointeractive
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3848
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY /nointeractive
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:3220
    • C:\Windows\system32\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\Program Files\dotnet\#Read-for-recovery.txt
      2⤵
        PID:4304
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4644

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\PerfLogs\#Read-for-recovery.txt
      Filesize

      1KB

      MD5

      85878ca4e03f16a1971a0389c5f6c0f2

      SHA1

      bedb405c3a536c0f3a1de80699c31a010f3928af

      SHA256

      e38edec5cd459720895c86eac816ee0db40af3409c8f506bdef54ca8f8af47db

      SHA512

      dca6a733f89d12fae43df824de281f8ba125059403e685c8c5b114c7c020e9015f286577593a31e127d923981ee72434e64d391f16ebcd03ca7324559dfd88bd

      Download Submit