Overview

overview

10

Static

static

20161205_0...3f0.js

windows7_x64

10

20161205_0...3f0.js

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    17-11-2021 11:31

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General

  • Target

    20161205_03476173ef9fdec7e5270dc7d87933f0.js

  • Size

    13KB

  • MD5

    57198c88a70079fdecbdcdaf3fca251f

  • SHA1

    f9eec46611e7eb0d78e550a22e1975a896314032

  • SHA256

    b89fdbbe855d6491565249508472f2eff89733cf370f49725228a13ac2e69d61

  • SHA512

    0374dfbb69762b749b45e19063cb7f2f6ed261f89160b333ab2f50710c965e5cdccee2cdb3ff4d22a2be079f8f6b5ae95b32fe442e1ebbc576c8bbe61abe4274

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 6 IoCs
  • Modifies extensions of user files 2 IoCs

    Ransomware generally changes the extension on encrypted files.

    ransomware
  • 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_03476173ef9fdec7e5270dc7d87933f0.js
    1⤵
    • Blocklisted process makes network request
    • Suspicious use of WriteProcessMemory
    PID:4092
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\PZHDTR~1.ZK,TOxNKCZjUHCfTf9D
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\rundll32.exe
        "C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Local\Temp\PZHDTR~1.ZK,TOxNKCZjUHCfTf9D
        3⤵
        • Blocklisted process makes network request
        • Modifies extensions of user files
        • Checks computer location settings
        • Loads dropped DLL
        • Sets desktop wallpaper using registry
        • Modifies Control Panel
        PID:1196
  • 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:4064
  • C:\Windows\system32\browser_broker.exe
    C:\Windows\system32\browser_broker.exe -Embedding
    1⤵
    • Modifies Internet Explorer settings
    PID:2156
  • 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:3692
  • 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:3888
  • 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:2404
  • 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:2548

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\PZHDTR~1.ZK
    MD5

    6b760fbbefa7f8dd1daaa93ebc38725a

    SHA1

    81841f24244485dae1c1834df3e544893d258f06

    SHA256

    c564dcc24fa9909a4482feb46d52fa96869a2ad6c8c87b5cbeee19b9b36a0ff6

    SHA512

    6ea91469538c40dada22b66373da0deb57f48d9d535e5ebd8199b5074a26c93a297386389a58468032dec1aef36423271d7ffaf84feba772b531c9ccd46fc68a

    Download Submit

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

    926a74c7ec3fe7329a43fcb848fbeac6

    SHA1

    9ca868cc1be4b61f68311413c3c20a5f153d3d55

    SHA256

    b41e75d989f5165281b74ac282a0d6ae7888a5b1a065d5ddf37d0b0fadd3c966

    SHA512

    cda5c9e59e9fb7dcdb7b69cac5c77ebe44da6b016cf57cd58c3f64d1255987f8ff55a0b9a554d9426a7ba03f73f8351faee3696f7223638fa51ea8e53a317ceb

    Download Submit

  • \Users\Admin\AppData\Local\Temp\PZHDTR~1.ZK
    MD5

    6b760fbbefa7f8dd1daaa93ebc38725a

    SHA1

    81841f24244485dae1c1834df3e544893d258f06

    SHA256

    c564dcc24fa9909a4482feb46d52fa96869a2ad6c8c87b5cbeee19b9b36a0ff6

    SHA512

    6ea91469538c40dada22b66373da0deb57f48d9d535e5ebd8199b5074a26c93a297386389a58468032dec1aef36423271d7ffaf84feba772b531c9ccd46fc68a

    Download Submit

  • memory/396-115-0x0000000000000000-mapping.dmp

    Download

  • memory/1196-117-0x0000000000000000-mapping.dmp

    Download

  • memory/1196-119-0x0000000001120000-0x000000000126A000-memory.dmp

    Filesize

    1.3MB

    Download

  • memory/1196-120-0x0000000073CA0000-0x0000000073CDA000-memory.dmp

    Filesize

    232KB

    Download