Overview

overview

10

Static

static

lockit.exe

windows7_x64

10

lockit.exe

windows10_x64

10

Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    16-10-2021 15:03

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General

  • Target

    lockit.exe

  • Size

    372KB

  • MD5

    e3b3e285390c0e2f7d04bd040bec790d

  • SHA1

    dbee71535e9f1fb23b3f01e25989d22d51237e68

  • SHA256

    21a0201874af80436dc0a36e5cbaf7da9b75217b3e39b712f3850729cf47deb6

  • SHA512

    6156a6b0ff4f41c823cba68a4596676e357ceb5b8c0848c2828a72321dbc2a731d9ae8f1a417fe27aef7de0080001ad3f77b3809b64a93c610ae99f95b35f5be

Score
10/10
lockylocky_osirisransomware

Malware Config

Signatures

  • Locky

    Ransomware strain released in 2016, with advanced features like anti-analysis.

    ransomwarelocky
  • Locky (Osiris variant)

    Variant of the Locky ransomware seen in the wild since early 2017.

    ransomwarelocky_osiris
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies Control Panel 2 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\lockit.exe
    "C:\Users\Admin\AppData\Local\Temp\lockit.exe"
    1⤵
    • Checks computer location settings
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of WriteProcessMemory
    PID:3704
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\lockit.exe"
      2⤵
        PID:4244
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdge.exe" -ServerName:MicrosoftEdge.AppXdnhjhccw3zf0j06tkg3jtqr00qdm0khc.mca
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1516
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:1856
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5040
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Drops file in Windows directory
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:1248
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:3712
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies registry class
      PID:4852

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\DesktopOSIRIS.htm
      MD5

      08758d13f75eacd14babd278e12a39b6

      SHA1

      ed9a4a91c9dd5b0498ea517ade08f7d52cf35af4

      SHA256

      e165e8aace8bf032dd1c107b092562dc84330f3bf0ca2655756576c3059bed55

      SHA512

      812ca81431a1ebe145a2fec65651966ef26ecf2d4ebd910f68f4f67085bf620f6ae5405850d7c2128414b776b0ad7d8a731da2d782e82419de767f0a7ffc619f

      Download Submit

    • memory/3704-115-0x0000000002F00000-0x0000000002F27000-memory.dmp

      Filesize

      156KB

      Download

    • memory/3704-116-0x00000000032C0000-0x00000000032C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3704-117-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

      Download

    • memory/3704-120-0x00000000032C0000-0x00000000032C1000-memory.dmp

      Filesize

      4KB

      Download

    • memory/3704-119-0x00000000039E0000-0x0000000003A07000-memory.dmp

      Filesize

      156KB

      Download

    • memory/4244-122-0x0000000000000000-mapping.dmp

      Download