Overview

overview

10

Static

static

10

Downloads1...f5.exe

windows7_x64

1

Downloads1...f5.exe

windows10_x64

1

Downloads1...41.dll

windows7_x64

1

Downloads1...41.dll

windows10_x64

3

Downloads1...8b.exe

windows7_x64

1

Downloads1...8b.exe

windows10_x64

1

Downloads1...d2.exe

windows7_x64

1

Downloads1...d2.exe

windows10_x64

1

Downloads1...38.exe

windows7_x64

1

Downloads1...38.exe

windows10_x64

1

Downloads1...92.exe

windows7_x64

10

Downloads1...92.exe

windows10_x64

10

Downloads1...46.exe

windows7_x64

10

Downloads1...46.exe

windows10_x64

10

Downloads1...2f.exe

windows7_x64

1

Downloads1...2f.exe

windows10_x64

1

Downloads1...78.exe

windows7_x64

10

Downloads1...78.exe

windows10_x64

10

Downloads1...89.exe

windows7_x64

10

Downloads1...89.exe

windows10_x64

10

Downloads1...ee.exe

windows7_x64

7

Downloads1...ee.exe

windows10_x64

7

Downloads1...1a.exe

windows7_x64

10

Downloads1...1a.exe

windows10_x64

10

Downloads1...af.exe

windows7_x64

1

Downloads1...af.exe

windows10_x64

1

Downloads1...21.exe

windows7_x64

1

Downloads1...21.exe

windows10_x64

1

Downloads1...5f.exe

windows7_x64

8

Downloads1...5f.exe

windows10_x64

8

Downloads1...7c.exe

windows7_x64

1

Downloads1...7c.exe

windows10_x64

1

Analysis

  • max time kernel
    116s
  • max time network
    125s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    15-03-2021 09:50

Sharing

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Report Analysis Logs

General

  • Target

    Downloads1/5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe

  • Size

    604KB

  • MD5

    29649c968550c8e97565e81dcce5b81a

  • SHA1

    a08c1bf3c9a73492ad27d793efa057f5582703ac

  • SHA256

    5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78

  • SHA512

    87f09ffc9ebfe5e890e11445a8b856ad3521e2b021da9548e8594b85adb3b99c307224ca4e466f9057a92ead34eb8dceaa2556145676958af1233b6b174eb29f

Score
10/10
lockypersistenceransomware

Malware Config

Signatures

  • Locky

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

    ransomwarelocky
  • Modifies extensions of user files 1 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Drops file in Windows directory 1 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 13 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe
    "C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe"
    1⤵
    • Modifies extensions of user files
    • Checks computer location settings
    • Adds Run key to start application
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\Downloads1\5b712f3ced695dd1510320494ecac67b277c0b386ee465303504c89431f87c78.exe"
      2⤵
        PID:1596
    • 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:4468
    • C:\Windows\system32\browser_broker.exe
      C:\Windows\system32\browser_broker.exe -Embedding
      1⤵
      • Modifies Internet Explorer settings
      PID:452
    • 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:1296
    • 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:2484

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Registry Run Keys / Startup Folder

    1
    T1060

    Privilege Escalation

    Defense Evasion

    Modify Registry

    3
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Defacement

    1
    T1491

    Replay Monitor

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    Downloads

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

      a3afd224e9ab48e948fa050e7fecc36a

      SHA1

      8e20afb9ca765400223a95c86359635043abdc7e

      SHA256

      39ba0af15003414220c4ea04d27575eca5da5d9333921607e3725393142d0e41

      SHA512

      4a9c04ddb0b0bcb92f04c0f2352a13785d3c34bcfb3d794599aae2b45e4335f1bed0ad32c38bcfa6246a65e01a9c55e51f5b09afdc6a401c5c77a1fa2cd01a35

      Download Submit
    • memory/1596-4-0x0000000000000000-mapping.dmp
      Download
    • memory/4700-2-0x0000000000400000-0x0000000000489000-memory.dmp
      Filesize

      548KB

      Download