General

  • Target
    88361ccaea37012144f512e66e61f30a.exe
  • Size 160KB
  • Sample211101-mas4lsedcr
  • SHA256 ffaa1ef0eb9c2a6d046d0be63ac5eb84ff761cabffd9902525f8a77dc9236908
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • smokeloader

Version
  • 2020

C2
  • http://honawey70.top/

  • http://wijibui00.top/

  • http://nusurtal4f.net/

  • http://netomishnetojuk.net/

  • http://escalivrouter.net/

  • http://nick22doom4.net/

  • http://wrioshtivsio.su/

  • http://nusotiso4.su/

  • http://rickkhtovkka.biz/

  • http://palisotoliso.net/

  • http://193.56.146.214/

  • https://193.56.146.214/

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

Extracted

Family
  • tofsee

C2
  • quadoil.ru

  • lakeflex.ru

Extracted

Family
  • raccoon

Botnet
  • 8dec62c1db2959619dca43e02fa46ad7bd606400

Attributes
  • url4cnc

    http://telegin.top/capibar

    http://ttmirror.top/capibar

    http://teletele.top/capibar

    http://telegalive.top/capibar

    http://toptelete.top/capibar

    http://telegraf.top/capibar

    https://t.me/capibar

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • V5

C2
  • 185.183.32.161:45391

Extracted

Family
  • raccoon

Botnet
  • 68e2d75238f7c69859792d206401b6bde2b2515c

Attributes
  • url4cnc

    http://telegalive.top/agrybirdsgamerept

    http://toptelete.top/agrybirdsgamerept

    http://telegraf.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family
  • redline

Botnet
  • SuperStar

C2
  • 185.215.113.29:36224

Extracted

Family
  • redline

Botnet
  • 123123123

C2
  • 93.115.20.139:28978

Extracted

Family
  • raccoon

Botnet
  • a8df9e1d3d24b04502963590a8ed392d88ab1b96

Attributes
  • url4cnc

    http://telegin.top/opticillusionlusy

    http://ttmirror.top/opticillusionlusy

    http://teletele.top/opticillusionlusy

    http://telegalive.top/opticillusionlusy

    http://toptelete.top/opticillusionlusy

    http://telegraf.top/opticillusionlusy

    https://t.me/opticillusionlusy

rc4.plain
rc4.plain

Targets

    • Target
      88361ccaea37012144f512e66e61f30a.exe
    • Size 160KB
    • SHA256 ffaa1ef0eb9c2a6d046d0be63ac5eb84ff761cabffd9902525f8a77dc9236908
    • MD5 SHA1 SHA512
    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    • BitRAT Payload

    • 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.

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • 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

    • XenArmor Suite

      XenArmor is as suite of password recovery tools for various application.

    • suricata: ET MALWARE Known Sinkhole Response Header

      suricata: ET MALWARE Known Sinkhole Response Header

    • suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

      suricata: ET MALWARE Sharik/Smoke CnC Beacon 11

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • xmrig

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

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

    • 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

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks whether UAC is enabled

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks