General

  • Target

    658284074f756693ffa9817d97af67f4.exe

  • Size

    1.7MB

  • Sample

    250202-kasfzavram

  • MD5

    658284074f756693ffa9817d97af67f4

  • SHA1

    954801c7500ee52e3edb3d06aab3db3243ced6bf

  • SHA256

    e8e156b49677640ac4da557b185eecd39a002ee059a5fbde5d7c92ccb6393e23

  • SHA512

    43d3d9ba9e555bca0efc58f44f58ed958e28d373e848bd6a3f66b56939e8486c2af24f5df0aced0de3dc1eefcb4688b106d447e5ddbdc652257a77b42864c211

  • SSDEEP

    49152:6NnzaiYGt0UlGZYB3LNhFMg0scGc1nu4jwvf:8IGt0UlGZYrEsFcImwvf

Malware Config

Extracted

Family

stealc

Botnet

kira

C2

http://185.215.113.115

Attributes
  • url_path

    /c4becf79229cb002.php

Targets

    • Target

      658284074f756693ffa9817d97af67f4.exe

    • Size

      1.7MB

    • MD5

      658284074f756693ffa9817d97af67f4

    • SHA1

      954801c7500ee52e3edb3d06aab3db3243ced6bf

    • SHA256

      e8e156b49677640ac4da557b185eecd39a002ee059a5fbde5d7c92ccb6393e23

    • SHA512

      43d3d9ba9e555bca0efc58f44f58ed958e28d373e848bd6a3f66b56939e8486c2af24f5df0aced0de3dc1eefcb4688b106d447e5ddbdc652257a77b42864c211

    • SSDEEP

      49152:6NnzaiYGt0UlGZYB3LNhFMg0scGc1nu4jwvf:8IGt0UlGZYrEsFcImwvf

    • Stealc

      Stealc is an infostealer written in C++.

    • Stealc family

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks