General

  • Target

    setup_x86_x64_install.exe

  • Size

    4.2MB

  • Sample

    211030-l7xydsbecj

  • MD5

    2c1278bdd864323e17dd46c7774e0d08

  • SHA1

    4e03a5d24d1d6ed106320778e9135b88f27ecfbe

  • SHA256

    a5e44dd81280a7fbef17c18e528c9df4b1289144fbc107d011af282a69cc3062

  • SHA512

    82a1d89e0692e8037563c92c834a3e3181b52c4423d8d6d860d31d56ef2a3c12083f8ddcc0e058ba7119a7c636938be963c70a14bdc276495e1b1b630ceddd25

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://brandyjaggers.com/upload/

http://andbal.com/upload/

http://alotofquotes.com/upload/

http://szpnc.cn/upload/

http://uggeboots.com/upload/

http://100klv.com/upload/

http://rapmusic.at/upload/

rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

eae58d570cc74796157b14c575bd3adc01116ca0

Attributes
  • url4cnc

    http://telegka.top/rino115sipsip

    http://telegin.top/rino115sipsip

    https://t.me/rino115sipsip

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

41.6

Botnet

933

C2

https://mas.to/@lilocc

Attributes
  • profile_id

    933

Extracted

Family

redline

Botnet

srtupdate33

C2

135.181.129.119:4805

Targets

    • Target

      setup_x86_x64_install.exe

    • Size

      4.2MB

    • MD5

      2c1278bdd864323e17dd46c7774e0d08

    • SHA1

      4e03a5d24d1d6ed106320778e9135b88f27ecfbe

    • SHA256

      a5e44dd81280a7fbef17c18e528c9df4b1289144fbc107d011af282a69cc3062

    • SHA512

      82a1d89e0692e8037563c92c834a3e3181b52c4423d8d6d860d31d56ef2a3c12083f8ddcc0e058ba7119a7c636938be963c70a14bdc276495e1b1b630ceddd25

    • 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.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars Payload

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • suricata: ET MALWARE GCleaner Downloader Activity M5

      suricata: ET MALWARE GCleaner Downloader Activity M5

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

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

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

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • 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.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

Scheduled Task

1
T1053

Persistence

Modify Existing Service

1
T1031

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Disabling Security Tools

1
T1089

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

3
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks