General

  • Target

    0f1dee01d2a2e6a6c562213166f280c9588e18ff451fa133df97d5a78fb64c55

  • Size

    4.4MB

  • Sample

    221028-s9yq2agab9

  • MD5

    ad9f15afa8ff9044a73b5a9b5d7f9391

  • SHA1

    7668d0efde9c23e767820d61667657ba95510f1d

  • SHA256

    0f1dee01d2a2e6a6c562213166f280c9588e18ff451fa133df97d5a78fb64c55

  • SHA512

    6280bd41500bd196162f5dd0bfdc17aa94e0e53fc028e43d16cd1d322966fb145fdf6d0999bf243019ffaa7cb8e03e94d5ebfcaed23cd33e21923046007a98e0

  • SSDEEP

    98304:xcrrnqoHZWw7nRWDDJdHqjq+XjX/dNV4n9bbiLXdbCvLUBsKKAIW9:xcrTFF7RWDXAxvG9qLOLUCKpIW9

Malware Config

Extracted

Family

nullmixer

C2

http://motiwa.xyz/

Extracted

Family

redline

Botnet

DomAni

C2

ergerr3.top:80

Extracted

Family

vidar

Version

39.4

Botnet

706

C2

https://sergeevih43.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

dzkey

C2

193.106.191.19:47242

Attributes
  • auth_value

    52a449fd61ad73c3abc266d47c699ceb

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

nymaim

C2

45.139.105.171

85.31.46.167

Targets

    • Target

      0f1dee01d2a2e6a6c562213166f280c9588e18ff451fa133df97d5a78fb64c55

    • Size

      4.4MB

    • MD5

      ad9f15afa8ff9044a73b5a9b5d7f9391

    • SHA1

      7668d0efde9c23e767820d61667657ba95510f1d

    • SHA256

      0f1dee01d2a2e6a6c562213166f280c9588e18ff451fa133df97d5a78fb64c55

    • SHA512

      6280bd41500bd196162f5dd0bfdc17aa94e0e53fc028e43d16cd1d322966fb145fdf6d0999bf243019ffaa7cb8e03e94d5ebfcaed23cd33e21923046007a98e0

    • SSDEEP

      98304:xcrrnqoHZWw7nRWDDJdHqjq+XjX/dNV4n9bbiLXdbCvLUBsKKAIW9:xcrTFF7RWDXAxvG9qLOLUCKpIW9

    • Detect Fabookie payload

    • Detects Smokeloader packer

    • Fabookie

      Fabookie is facebook account info stealer.

    • Modifies Windows Defender Real-time Protection settings

    • NullMixer

      NullMixer is a malware dropper leading to an infection chain of a wide variety of malware families.

    • 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.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Nirsoft

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • 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.

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

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

    • Uses the VBS compiler for execution

    • 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.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Scripting

1
T1064

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

1
T1005

Command and Control

Web Service

1
T1102

Tasks