General

  • Target

    Wssimt.exe

  • Size

    21KB

  • Sample

    221019-ha681sfeck

  • MD5

    fbc7a87a40a4f8b9ebc461f02b62a2f7

  • SHA1

    e9311cd1e01e75eee53867c23ab3feb9ab9185ad

  • SHA256

    08aa117c4795f93fdbee891121a2cd5e3adc46d9528967ec63ab325243fc7de2

  • SHA512

    05c3a41e76d5dad9dd43e52f49cd218dd027364ef905607eef8e12664488af5ae648a51d9c476962541ac1c91191d184db7bcca0725e7298ede4cfb1df28095d

  • SSDEEP

    192:yjjfdiDqXanIXkKQUngD33jI1MBSAitI6TxBQ:6daq4PUngpFoTn

Malware Config

Extracted

Family

blustealer

C2

https://api.telegram.org/bot5583812995:AAFKzjSLC2-pDvMQ8X47-80XjrRiWrDtxA/sendMessage?chat_id=5434600361

Targets

    • Target

      Wssimt.exe

    • Size

      21KB

    • MD5

      fbc7a87a40a4f8b9ebc461f02b62a2f7

    • SHA1

      e9311cd1e01e75eee53867c23ab3feb9ab9185ad

    • SHA256

      08aa117c4795f93fdbee891121a2cd5e3adc46d9528967ec63ab325243fc7de2

    • SHA512

      05c3a41e76d5dad9dd43e52f49cd218dd027364ef905607eef8e12664488af5ae648a51d9c476962541ac1c91191d184db7bcca0725e7298ede4cfb1df28095d

    • SSDEEP

      192:yjjfdiDqXanIXkKQUngD33jI1MBSAitI6TxBQ:6daq4PUngpFoTn

    • BluStealer

      A Modular information stealer written in Visual Basic.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks