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General

  • Target

    3aee16fd175032ee9188351aec3d27b73daf2692366cb6df91259b3b9c64fd08.js

  • Size

    1KB

  • Sample

    241203-njajastjcs

  • MD5

    153635d66bd01a944dcd4661cec41896

  • SHA1

    47fe0783bc7b6db0c1456bf86cda61bdd31b5ca8

  • SHA256

    3aee16fd175032ee9188351aec3d27b73daf2692366cb6df91259b3b9c64fd08

  • SHA512

    28a4c1f24614609c2406fa32b5a4dc0531851abfe72d79ce71d477b4da7c87f0f399346dfba453591e3063dc6af4921b927ad7c24ffb619dec44e4a979f88ab5

Malware Config

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

      3aee16fd175032ee9188351aec3d27b73daf2692366cb6df91259b3b9c64fd08.js

    • Size

      1KB

    • MD5

      153635d66bd01a944dcd4661cec41896

    • SHA1

      47fe0783bc7b6db0c1456bf86cda61bdd31b5ca8

    • SHA256

      3aee16fd175032ee9188351aec3d27b73daf2692366cb6df91259b3b9c64fd08

    • SHA512

      28a4c1f24614609c2406fa32b5a4dc0531851abfe72d79ce71d477b4da7c87f0f399346dfba453591e3063dc6af4921b927ad7c24ffb619dec44e4a979f88ab5

    • 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.

MITRE ATT&CK Enterprise v15

Tasks