Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

General

  • Target

    215ff81b6f3a50e48d9f5acfb89f5ea3a1afd59dddbb0666f7ce97a922f60326.lnk

  • Size

    3KB

  • Sample

    241203-j4earssmhn

  • MD5

    34ee898cb6c5ae305685129bd0b02ceb

  • SHA1

    72c04950fa82ea474c945f31dc3e7a32635689ae

  • SHA256

    215ff81b6f3a50e48d9f5acfb89f5ea3a1afd59dddbb0666f7ce97a922f60326

  • SHA512

    7bf440741559ffffda909092e32329635eed5a5afd31316f58a4080f8855c57d9399f4b25d6535a490e5c28727586209e3ff7c44c4d2e947c837ab58272b976d

Malware Config

Extracted

Language
ps1
Source
URLs
ps1.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/triazoicuTsQo.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/butterfliesxH2dz.php

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/stepPCj5H.php

exe.dropper

https://www.italialife24.it/wp-content/uploads/2021/05/untrippingvT.ps1

Extracted

Family

koiloader

C2

http://195.123.217.43/oversate.php

Attributes
  • payload_url

    https://www.italialife24.it/wp-content/uploads/2021/05

Targets

    • Target

      215ff81b6f3a50e48d9f5acfb89f5ea3a1afd59dddbb0666f7ce97a922f60326.lnk

    • Size

      3KB

    • MD5

      34ee898cb6c5ae305685129bd0b02ceb

    • SHA1

      72c04950fa82ea474c945f31dc3e7a32635689ae

    • SHA256

      215ff81b6f3a50e48d9f5acfb89f5ea3a1afd59dddbb0666f7ce97a922f60326

    • SHA512

      7bf440741559ffffda909092e32329635eed5a5afd31316f58a4080f8855c57d9399f4b25d6535a490e5c28727586209e3ff7c44c4d2e947c837ab58272b976d

    • KoiLoader

      KoiLoader is a malware loader written in C++.

    • Koiloader family

    • Detects KoiLoader payload

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Powershell Invoke Web Request.

    • Checks computer location settings

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

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

MITRE ATT&CK Enterprise v15

Tasks