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General

  • Target

    a12c63a33382720b5ce010cc050106c3909316477b956ca8c17f4a1f6ca6aa42_JC.exe

  • Size

    239KB

  • Sample

    231011-2e5qjagf2w

  • MD5

    3240f8928a130bb155571570c563200a

  • SHA1

    aa621ddde551f7e0dbeed157ab1eac3f1906f493

  • SHA256

    a12c63a33382720b5ce010cc050106c3909316477b956ca8c17f4a1f6ca6aa42

  • SHA512

    e7c357e54b7768f1a66e0dabe2c604afe3765eb858f8b4e5751659a4b373b10fb6cc1dc72641aabf83e34d097f28fa70a78482310ecd93e9aa0347378bde409b

  • SSDEEP

    6144:dMcz8EQnRrxT5t9kFIndDK4lY4xohYA1au77C0G:dM7XnPz9uIgGLxoSA06

Malware Config

Targets

    • Target

      a12c63a33382720b5ce010cc050106c3909316477b956ca8c17f4a1f6ca6aa42_JC.exe

    • Size

      239KB

    • MD5

      3240f8928a130bb155571570c563200a

    • SHA1

      aa621ddde551f7e0dbeed157ab1eac3f1906f493

    • SHA256

      a12c63a33382720b5ce010cc050106c3909316477b956ca8c17f4a1f6ca6aa42

    • SHA512

      e7c357e54b7768f1a66e0dabe2c604afe3765eb858f8b4e5751659a4b373b10fb6cc1dc72641aabf83e34d097f28fa70a78482310ecd93e9aa0347378bde409b

    • SSDEEP

      6144:dMcz8EQnRrxT5t9kFIndDK4lY4xohYA1au77C0G:dM7XnPz9uIgGLxoSA06

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Windows security bypass

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Modifies Windows Firewall

    • Stops running service(s)

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Windows security modification

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks