Overview

overview

10

Static

static

10

2024-03-03...ry.exe

windows7-x64

10

2024-03-03...ry.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2024, 23:25

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General

  • Target
    2024-03-03_58e2612e9410cabeae8c0f2f6dbad694_wannacry.exe
  • Size 189KB
  • Sample240303-3ebm5acb67
  • SHA256 dbb0d1f1017703cca87b6bf1ccc39168ffa7233d1a23c32442d91953e8a62e16
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
chaosransomwarespywarestealer

Malware Config

Signatures

  • Chaos

    Ransomware family first seen in June 2021.

    ransomwarechaos
  • Chaos Ransomware 2 IoCs
  • Detects command variations typically used by ransomware 2 IoCs
  • Renames multiple (156) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Drops startup file 3 IoCs
  • Executes dropped EXE 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Drops desktop.ini file(s) 34 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 46 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-03-03_58e2612e9410cabeae8c0f2f6dbad694_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-03_58e2612e9410cabeae8c0f2f6dbad694_wannacry.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Roaming\svchost.exe
      "C:\Users\Admin\AppData\Roaming\svchost.exe"
      2⤵
      • Checks computer location settings
      • Drops startup file
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Sets desktop wallpaper using registry
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1984
      • C:\Windows\system32\NOTEPAD.EXE
        "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Roaming\@zarik [email protected]
        3⤵
          PID:4308
    • 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 --mojo-platform-channel-handle=3712 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
      1⤵
        PID:1156

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            svchost.exe
            • Path C:\Users\Admin\AppData\Roaming\svchost.exe
            • Size 189KB
            • SHA256 dbb0d1f1017703cca87b6bf1ccc39168ffa7233d1a23c32442d91953e8a62e16
            • MD5 SHA1 SHA512 SSDEEP
            Submit Download

            @zarik [email protected]
            • Path C:\Users\Admin\Documents\@zarik [email protected]
            • Size 399B
            • SHA256 2c398b8f20988575ed635d296f2decde3354ebcab96f9774a8d2905810959029
            • MD5 SHA1 SHA512
            Submit Download

            memory/1792-0-0x0000000000100000-0x0000000000136000-memory.dmp
            Download

            memory/1792-1-0x00007FFC8C5B0000-0x00007FFC8D071000-memory.dmp
            Download

            memory/1792-15-0x00007FFC8C5B0000-0x00007FFC8D071000-memory.dmp
            Download

            memory/1984-14-0x00007FFC8C5B0000-0x00007FFC8D071000-memory.dmp
            Download

            memory/1984-265-0x00007FFC8C5B0000-0x00007FFC8D071000-memory.dmp
            Download