Overview

overview

10

Static

static

20161205_3...bbf.js

windows7_x64

10

20161205_3...bbf.js

windows10_x64

10

Analysis

  • max time kernel
    152s
  • max time network
    144s
  • platform
    windows10_x64
  • resource
    win10-en-20211104
  • submitted
    17/11/2021, 11:48

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General

  • Target

    20161205_3f1d7664595d2ff885b9fa3bf8a96bbf.js

  • Size

    13KB

  • MD5

    181a0ef665583fb02134e9effa90f86f

  • SHA1

    815bd5e80fb2ba833514548c70a5e35014a993b1

  • SHA256

    c4370948896e4b1d2fded7d0a85127f5c2e1564e41ecbc47c810ae76b1473ac4

  • SHA512

    650b1f77700ea60e0c8bfca25b364a35722a1f6b26ed2358d553adb0ae100ececffb11fa1af873ecf2318e3002e115fb2ce5d7b98f5e16c6428baae18e2d0a10

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
  • Blocklisted process makes network request 9 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 1 IoCs
  • 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: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\20161205_3f1d7664595d2ff885b9fa3bf8a96bbf.js
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\EBB852~1.ZK,TOxNKCZjUHCfTf9D
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\EBB852~1.ZK,TOxNKCZjUHCfTf9D
        3⤵
        • Blocklisted process makes network request
        • Checks computer location settings
        • Loads dropped DLL
        • Sets desktop wallpaper using registry
        • Modifies Control Panel
        PID:3496
  • 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:2040
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:1520
  • 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 behavior: MapViewOfSection
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2000
  • 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:3508
  • 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:1492

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/3496-122-0x00000000738F0000-0x000000007392A000-memory.dmp

    Filesize

    232KB

    Download

  • memory/3496-124-0x0000000000C90000-0x0000000000DDA000-memory.dmp

    Filesize

    1.3MB

    Download