Overview

overview

10

Static

static

8514a2eca4...85.exe

windows7_x64

10

8514a2eca4...85.exe

windows10_x64

10

Analysis

  • max time kernel
    149s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    05-11-2020 06:15

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General

  • Target

    8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe

  • Size

    617KB

  • MD5

    d14bc9efe80aeb7d172cbb590f80eba7

  • SHA1

    9d6ea38d9a33446488e3a53ca35669f7ded2b747

  • SHA256

    8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285

  • SHA512

    cb22f3c7d3f35cc4d149d88caf128229c396123997b52c2dfb70203cbb671f967c20bb1615ec84227d1207d50cacd32daf1360f076d42c50b113949074192b58

Score
10/10
locky_lukitusransomware

Malware Config

Signatures

  • Locky (Lukitus variant)

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

    ransomwarelocky_lukitus
  • 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.

  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Windows directory 1 IoCs
  • Modifies Control Panel 3 IoCs
    evasion
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
    adwarespyware
  • Modifies registry class 183 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\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe
    "C:\Users\Admin\AppData\Local\Temp\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\8514a2eca4090f400a43c4af915eb3ef6e9c15dabe69716189e7c68c72cfa285.exe"
      2⤵
        PID:1416
    • 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 Control Panel
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3820
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:3856
    • 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:3520
    • C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe
      "C:\Windows\SystemApps\Microsoft.MicrosoftEdge_8wekyb3d8bbwe\MicrosoftEdgeCP.exe" -ServerName:ContentProcess.AppX6z3cwk4fvgady6zya12j1cw28d228a7k.mca
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
    • 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:3940

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Modify Registry

    2
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Replay Monitor

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    Downloads

    • C:\Users\Admin\Desktop\lukitus.htm
      MD5

      39c9096bc50faf82a313532bb3a2df16

      SHA1

      186a7cdeb4720b782806f15ae24d726d4676045c

      SHA256

      2ae39dc48d9c226d0c21148759ee2f2830d1d2168033a1606f38806927a8a008

      SHA512

      887da1e38e5b85162ed53339fcfbe0b79587edd0ee6f6d81b51bb61cf5f73e5e9cad2cbc60f00d585aa8369d000ea8c8ee24890622b68d2a8bbe109dd8c0b592

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    • memory/1416-1-0x0000000000000000-mapping.dmp
      Download