General

  • Target

    5b92d1d8c1df0cc42591bc05cb62331a28f54e3566c708a8fd13b00cb76881c2.exe

  • Size

    382KB

  • Sample

    220522-jmzkdacfgj

  • MD5

    38b5deb16f9cd877a6a7ca7c7434b5ea

  • SHA1

    11051c4a389238fe7e2202cb506a6f23cfa6bfa4

  • SHA256

    5b92d1d8c1df0cc42591bc05cb62331a28f54e3566c708a8fd13b00cb76881c2

  • SHA512

    f1f75b2f2641e09c1ce71b7d442b30169b6335d2e15a6fc9bfcb94ffa6552d4f8783cd6468016789d249e2633332e705631e06ad9ede80c03f87e4a051aee899

Malware Config

Extracted

Family

amadey

Version

3.10

C2

185.215.113.38/f8dfksdj3/index.php

Extracted

Family

tofsee

C2

niflheimr.cn

jotunheim.name

Extracted

Family

redline

Botnet

ruz19489

C2

193.124.22.34:19489

Attributes
  • auth_value

    2b3af4bdf5e7f4f41faf1150d1660073

Extracted

Family

djvu

C2

http://ugll.org/test3/get.php

Attributes
  • extension

    .fefg

  • offline_id

    eBNgvyGQV1Hmt9DBdxVRs8qPi1agsS7OaohPmit1

  • payload_url

    http://zerit.top/dl/build2.exe

    http://ugll.org/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes
  • profile_id

    517

Extracted

Family

redline

Botnet

zetka

C2

65.108.27.131:45256

Attributes
  • auth_value

    971cdfac255bca0faee58f58ee853bad

Extracted

Family

vidar

Version

52.2

Botnet

937

C2

https://t.me/netflixaccsfree

https://mastodon.social/@ronxik12

Attributes
  • profile_id

    937

Targets

    • Target

      5b92d1d8c1df0cc42591bc05cb62331a28f54e3566c708a8fd13b00cb76881c2.exe

    • Size

      382KB

    • MD5

      38b5deb16f9cd877a6a7ca7c7434b5ea

    • SHA1

      11051c4a389238fe7e2202cb506a6f23cfa6bfa4

    • SHA256

      5b92d1d8c1df0cc42591bc05cb62331a28f54e3566c708a8fd13b00cb76881c2

    • SHA512

      f1f75b2f2641e09c1ce71b7d442b30169b6335d2e15a6fc9bfcb94ffa6552d4f8783cd6468016789d249e2633332e705631e06ad9ede80c03f87e4a051aee899

    • Amadey

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

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Modifies Windows Defender Real-time Protection settings

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine Payload

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE Amadey CnC Check-In

      suricata: ET MALWARE Amadey CnC Check-In

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

    • suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

      suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile

    • suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

      suricata: ET MALWARE Vidar/Arkei/Megumin Stealer Keywords Retrieved

    • suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

      suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Public Key Download

    • suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

      suricata: ET MALWARE Win32/Filecoder.STOP Variant Request for Public Key

    • suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

      suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3

    • suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

      suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2

    • suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

      suricata: ET MALWARE Win32/Vodkagats Loader Requesting Payload

    • Vidar Stealer

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • 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.

    • Adds Run key to start application

    • 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.

MITRE ATT&CK Enterprise v6

Tasks