General

  • Target

    setup.exe

  • Size

    726.0MB

  • Sample

    240225-3cl13sfc95

  • MD5

    d7c5a94b5914d06d3139a9963393793c

  • SHA1

    85f79f4929ef8d0ce2a16b4c26a91e68e0946479

  • SHA256

    96a6fdf8a0acdf2bd0b8a1d0b8a7a245839702733c903733c61cd1e9cc0fdb5d

  • SHA512

    f62fe984995272caa128f5ed3c3f02aa4596e6ee5ba765ba3926bb7246e62ca7edbe2df135d0195253d6db5cf83d629ec78ca5f94fbc90fbaba723c8fddb4db2

  • SSDEEP

    98304:RqzOAXymMjEQrchbwBBxhxz6URJjMd2mGzMp5rZk:RqCAtMjpl56URJwd2mGzMp5rZk

Malware Config

Extracted

Family

tofsee

C2

vanaheim.cn

jotunheim.name

Extracted

Family

smokeloader

Botnet

pub3

Extracted

Family

risepro

C2

193.233.132.62

193.233.132.49:50500

193.233.132.32:50500

193.233.132.67:50500

Extracted

Family

smokeloader

Version

2022

C2

http://selebration17io.io/index.php

http://vacantion18ffeu.cc/index.php

http://valarioulinity1.net/index.php

http://buriatiarutuhuob.net/index.php

http://cassiosssionunu.me/index.php

http://sulugilioiu19.net/index.php

http://goodfooggooftool.net/index.php

rc4.i32
rc4.i32

Extracted

Family

djvu

C2

http://habrafa.com/test2/get.php

Attributes
  • extension

    .lkfr

  • offline_id

    OxV6DGl22io8sqMOW1zCCOlzPiv4f1Vqzw7Y8zt1

  • payload_url

  • ransomnote

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rsa_pubkey.plain

Targets

    • Target

      setup.exe

    • Size

      726.0MB

    • MD5

      d7c5a94b5914d06d3139a9963393793c

    • SHA1

      85f79f4929ef8d0ce2a16b4c26a91e68e0946479

    • SHA256

      96a6fdf8a0acdf2bd0b8a1d0b8a7a245839702733c903733c61cd1e9cc0fdb5d

    • SHA512

      f62fe984995272caa128f5ed3c3f02aa4596e6ee5ba765ba3926bb7246e62ca7edbe2df135d0195253d6db5cf83d629ec78ca5f94fbc90fbaba723c8fddb4db2

    • SSDEEP

      98304:RqzOAXymMjEQrchbwBBxhxz6URJjMd2mGzMp5rZk:RqCAtMjpl56URJwd2mGzMp5rZk

    • Detect ZGRat V1

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • 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.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Creates new service(s)

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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.

    • Modifies file permissions

    • 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.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks