General

  • Target

    b8a9f9c01d7ee026baeabb968916e15a04c6eb4f214becff5eb73bf49acd9f36

  • Size

    5MB

  • Sample

    220930-1m879afaa6

  • MD5

    559b9c9948db8d9243c9444dec15a2d6

  • SHA1

    cc5677af51082675d7fcac2bb017e8770b905771

  • SHA256

    b8a9f9c01d7ee026baeabb968916e15a04c6eb4f214becff5eb73bf49acd9f36

  • SHA512

    8ec671a6b2409c597a6f8500f8e1c8642b86ca6a60ddbcfb149102b08317590c5d6ffd998e09e86356c89a289cddba1209b05393f9fd8fb08358af3aa88faa17

Malware Config

Extracted

Family

privateloader

C2

http://163.123.143.4/proxies.txt

http://107.182.129.251/server.txt

pastebin.com/raw/A7dSG1te

http://wfsdragon.ru/api/setStats.php

163.123.143.12

http://91.241.19.125/pub.php?pub=one

http://sarfoods.com/index.php

Attributes
payload_url
https://vipsofts.xyz/files/mega.bmp

Extracted

Family

djvu

C2

http://winnlinne.com/test3/get.php

http://winnlinne.com/lancer/get.php

Attributes
extension
.ofoq
offline_id
xkNzhkB1wvgoDI7Uo0HPNLY3qCuwoFpP7nlhlut1
payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
ransomnote
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rsa_pubkey.plain

Extracted

Family

nymaim

C2

208.67.104.97

85.31.46.167

Extracted

Family

redline

Botnet

nam6.5

C2

103.89.90.61:34589

Attributes
auth_value
ea8cbb51ed8a91dcbe95697e8bb9a9d7

Extracted

Family

redline

Botnet

ruzki19

C2

176.113.115.146:9582

Attributes
auth_value
c97cb30de806db62d9a577d3d800e1a4

Extracted

Family

vidar

Version

54.7

Botnet

517

C2

https://t.me/trampapanam

https://nerdculture.de/@yoxhyp

Attributes
profile_id
517

Targets

    • Target

      b8a9f9c01d7ee026baeabb968916e15a04c6eb4f214becff5eb73bf49acd9f36

    • Size

      5MB

    • MD5

      559b9c9948db8d9243c9444dec15a2d6

    • SHA1

      cc5677af51082675d7fcac2bb017e8770b905771

    • SHA256

      b8a9f9c01d7ee026baeabb968916e15a04c6eb4f214becff5eb73bf49acd9f36

    • SHA512

      8ec671a6b2409c597a6f8500f8e1c8642b86ca6a60ddbcfb149102b08317590c5d6ffd998e09e86356c89a289cddba1209b05393f9fd8fb08358af3aa88faa17

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • NyMaim

      NyMaim is a malware with various capabilities written in C++ and first seen in 2013.

    • PrivateLoader

      PrivateLoader is a downloader sold as a pay-per-install malware distribution service.

    • 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.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Loads dropped DLL

    • 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.

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext