General

  • Target
    860a7fb9a614e3cfd0cb666baa425523
  • Size 189KB
  • Sample210714-laykfpyjyx
  • SHA256 ce1a457a5bd8763fde41a27081d5a885b66aca31b123ee42885e29bc8cfdbda5
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://999080321newfolder1002002131-service1002.space/

  • http://999080321newfolder1002002231-service1002.space/

  • http://999080321newfolder3100231-service1002.space/

  • http://999080321newfolder1002002431-service1002.space/

  • http://999080321newfolder1002002531-service1002.space/

  • http://999080321newfolder33417-012425999080321.space/

  • http://999080321test125831-service10020125999080321.space/

  • http://999080321test136831-service10020125999080321.space/

  • http://999080321test147831-service10020125999080321.space/

  • http://999080321test146831-service10020125999080321.space/

  • http://999080321test134831-service10020125999080321.space/

  • http://999080321est213531-service1002012425999080321.ru/

  • http://999080321yes1t3481-service10020125999080321.ru/

  • http://999080321test13561-service10020125999080321.su/

  • http://999080321test14781-service10020125999080321.info/

  • http://999080321test13461-service10020125999080321.net/

  • http://999080321test15671-service10020125999080321.tech/

  • http://999080321test12671-service10020125999080321.online/

  • http://999080321utest1341-service10020125999080321.ru/

  • http://999080321uest71-service100201dom25999080321.ru/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family
  • redline

Botnet
  • Btccach

C2
  • 185.53.46.82:3214

Extracted

Family
  • vidar

Version
  • 39.5

Botnet
  • 824

C2
  • https://olegf9844.tumblr.com/

Attributes
  • profile_id

    824

Extracted

Family
  • vidar

Version
  • 39.5

Botnet
  • 517

C2
  • https://olegf9844.tumblr.com/

Attributes
  • profile_id

    517

Targets

    • Target
      860a7fb9a614e3cfd0cb666baa425523
    • Size 189KB
    • SHA256 ce1a457a5bd8763fde41a27081d5a885b66aca31b123ee42885e29bc8cfdbda5
    • MD5 SHA1 SHA512
    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

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

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • 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 NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks