General

  • Target

    deflated-unityinstaller.exe

  • Size

    278KB

  • Sample

    230127-cq4vyahf3t

  • MD5

    fb48937c11f4bda57dad5c55bb7bcc0e

  • SHA1

    e559b23402f70d80b7f26b37c965a4ef17d9c2d4

  • SHA256

    c89c19f79b2fdf5a50b4f152327956504b80758552625d4d9562dc66e14b90df

  • SHA512

    f58403183ea9bb119411559aa186395440015255e74c0126bd242e2db63b4537eef5a4581754f22a84f47d233655d46c1fbebe5c273c15d030506641f8bcb999

  • SSDEEP

    3072:ecssB5G0w2Zoh30PMgXTmQrV9XqH8NiqpytGSdfD:enYZC30PwQh9Lr+

Malware Config

Targets

    • Target

      deflated-unityinstaller.exe

    • Size

      278KB

    • MD5

      fb48937c11f4bda57dad5c55bb7bcc0e

    • SHA1

      e559b23402f70d80b7f26b37c965a4ef17d9c2d4

    • SHA256

      c89c19f79b2fdf5a50b4f152327956504b80758552625d4d9562dc66e14b90df

    • SHA512

      f58403183ea9bb119411559aa186395440015255e74c0126bd242e2db63b4537eef5a4581754f22a84f47d233655d46c1fbebe5c273c15d030506641f8bcb999

    • SSDEEP

      3072:ecssB5G0w2Zoh30PMgXTmQrV9XqH8NiqpytGSdfD:enYZC30PwQh9Lr+

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Checks computer location settings

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

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Tasks