General

  • Target

    release_ver3.rar

  • Size

    17.7MB

  • Sample

    240213-vhtzwadd3s

  • MD5

    dfb67c5b3c112a9c5f35c0f1ede587bd

  • SHA1

    eda409ae178d0867cc3a566d35a66435f5a665dd

  • SHA256

    25490492401fe9dcd6aa5550baaa9a84667a87084f9cae24d11b8554a267c52b

  • SHA512

    f01c8af174400e1d6dfde7c82562f7ad47ab2d1881cceedf85df9e2b34e717050cceb68471ba3cb2626ccaeafb13fc8d3f6dbccfb724cb1c156cdb66f6173d40

  • SSDEEP

    393216:RGwL76jw9xOfL1wDTotU/HX0b0Wize4j+N+:cwSjw9gfZw4tU/HEbRize4e+

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.24

Attributes
  • url_path

    /f993692117a3fda2.php

Extracted

Family

smokeloader

Version

2022

C2

http://sjyey.com/tmp/index.php

http://babonwo.ru/tmp/index.php

http://mth.com.ua/tmp/index.php

http://piratia.pw/tmp/index.php

http://go-piratia.ru/tmp/index.php

rc4.i32
rc4.i32

Extracted

Family

risepro

C2

193.233.132.62

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Targets

    • Target

      release_ver3.rar

    • Size

      17.7MB

    • MD5

      dfb67c5b3c112a9c5f35c0f1ede587bd

    • SHA1

      eda409ae178d0867cc3a566d35a66435f5a665dd

    • SHA256

      25490492401fe9dcd6aa5550baaa9a84667a87084f9cae24d11b8554a267c52b

    • SHA512

      f01c8af174400e1d6dfde7c82562f7ad47ab2d1881cceedf85df9e2b34e717050cceb68471ba3cb2626ccaeafb13fc8d3f6dbccfb724cb1c156cdb66f6173d40

    • SSDEEP

      393216:RGwL76jw9xOfL1wDTotU/HX0b0Wize4j+N+:cwSjw9gfZw4tU/HEbRize4e+

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Stealc

      Stealc is an infostealer written in C++.

    • Tofsee

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

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks