General

  • Target

    file_v2.rar

  • Size

    18.1MB

  • Sample

    240211-vb4whabh25

  • MD5

    ac5aceacdb693a609cc3818308fe833b

  • SHA1

    67cd5e1392788a57bd6a4b95cb9944303b1bb68a

  • SHA256

    4bf085036f2dfa13d8b97408b6a197216489e814a0012908aa5aca1ee7308542

  • SHA512

    de4d0f2ebaaac3ef4054cbf246b648b732acfbc54e2272bb44595cd13203a9ec0e68320b4a9c4bd6329a985ea9ed7d5648e4ababfe4ed4082fcd39737871f8a5

  • SSDEEP

    393216:5eW/AfpPtOJjUJZBf8r71AXgNJ79LaOi2Cxba6CzcljRoE:atskZx+AoJpLaPxbLCIRWE

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Extracted

Family

risepro

C2

193.233.132.49:50500

Extracted

Family

smokeloader

Botnet

pub3

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

Targets

    • Target

      file_v2.rar

    • Size

      18.1MB

    • MD5

      ac5aceacdb693a609cc3818308fe833b

    • SHA1

      67cd5e1392788a57bd6a4b95cb9944303b1bb68a

    • SHA256

      4bf085036f2dfa13d8b97408b6a197216489e814a0012908aa5aca1ee7308542

    • SHA512

      de4d0f2ebaaac3ef4054cbf246b648b732acfbc54e2272bb44595cd13203a9ec0e68320b4a9c4bd6329a985ea9ed7d5648e4ababfe4ed4082fcd39737871f8a5

    • SSDEEP

      393216:5eW/AfpPtOJjUJZBf8r71AXgNJ79LaOi2Cxba6CzcljRoE:atskZx+AoJpLaPxbLCIRWE

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • 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.

    • 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