General

  • Target

    dca9c0d5b10ab8b01e4e60cfb4fb11f858d8c4c3d92ca2f20d80ae78b138f915.lnk

  • Size

    528KB

  • Sample

    230411-s1p3jadc85

  • MD5

    bf42189c53d02d4618030d75659296f3

  • SHA1

    bbff2942b885222d450c1579ca807faf6ffdbc42

  • SHA256

    dca9c0d5b10ab8b01e4e60cfb4fb11f858d8c4c3d92ca2f20d80ae78b138f915

  • SHA512

    f73042e3e0840c64952b0ccd7c32d6b3037fce0a3d2488032af799e48de5c4568865cc3a6fd2db00db83693661f70eca8e1548aa69acceca02ffc2b7af5b351d

  • SSDEEP

    12:8MMlHm/3BVSXvk4RnK9hRNSWhW+UcZRNS/De9DGvAl7DiNL4t2YqlsXSkgK:8lo/ByKn8+/lMAyvAl7a5/Mhg

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://marcapinyo.ac.ug/url/knl/pay.hta

Extracted

Family

vidar

Version

3.4

Botnet

c24cebaf477b8a7988497cf94e898888

C2

https://steamcommunity.com/profiles/76561199494593681

https://t.me/auftriebs

Attributes
  • profile_id_v2

    c24cebaf477b8a7988497cf94e898888

  • user_agent

    Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0

Targets

    • Target

      dca9c0d5b10ab8b01e4e60cfb4fb11f858d8c4c3d92ca2f20d80ae78b138f915.lnk

    • Size

      528KB

    • MD5

      bf42189c53d02d4618030d75659296f3

    • SHA1

      bbff2942b885222d450c1579ca807faf6ffdbc42

    • SHA256

      dca9c0d5b10ab8b01e4e60cfb4fb11f858d8c4c3d92ca2f20d80ae78b138f915

    • SHA512

      f73042e3e0840c64952b0ccd7c32d6b3037fce0a3d2488032af799e48de5c4568865cc3a6fd2db00db83693661f70eca8e1548aa69acceca02ffc2b7af5b351d

    • SSDEEP

      12:8MMlHm/3BVSXvk4RnK9hRNSWhW+UcZRNS/De9DGvAl7DiNL4t2YqlsXSkgK:8lo/ByKn8+/lMAyvAl7a5/Mhg

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • UAC bypass

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • ModiLoader Second Stage

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks