General

  • Target

    2a1363e9e6d309726686ef2d319eec73.exe

  • Size

    400KB

  • Sample

    220908-lyck4abdgj

  • MD5

    2a1363e9e6d309726686ef2d319eec73

  • SHA1

    b56ec89d325d3e585932818438e20262c846d56f

  • SHA256

    1aa2d32ab883de5d4097a6d4fe7718a401f68ce95e0d2aea63212dd905103948

  • SHA512

    def76c296698dd6b8f92bee440b5f177e8d1758c54cc404597bc0e855face0c81a610da44580742fa7ee09336bbad0b21350c477258a638b5d791a68218c9c3d

  • SSDEEP

    6144:jzNkLNXaRtkzYPyHHtv55tsCn28GQx0wa0dv04A0gd08f5Miq5OWZXl9tG6eyZ5C:fNk9aFqHP56z8Y6lZXxG6emtLw

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

Targets

    • Target

      2a1363e9e6d309726686ef2d319eec73.exe

    • Size

      400KB

    • MD5

      2a1363e9e6d309726686ef2d319eec73

    • SHA1

      b56ec89d325d3e585932818438e20262c846d56f

    • SHA256

      1aa2d32ab883de5d4097a6d4fe7718a401f68ce95e0d2aea63212dd905103948

    • SHA512

      def76c296698dd6b8f92bee440b5f177e8d1758c54cc404597bc0e855face0c81a610da44580742fa7ee09336bbad0b21350c477258a638b5d791a68218c9c3d

    • SSDEEP

      6144:jzNkLNXaRtkzYPyHHtv55tsCn28GQx0wa0dv04A0gd08f5Miq5OWZXl9tG6eyZ5C:fNk9aFqHP56z8Y6lZXxG6emtLw

    • Detects Smokeloader packer

    • Glupteba

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

    • 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.

    • Windows security bypass

    • Enumerates VirtualBox registry keys

    • Modifies boot configuration data using bcdedit

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Possible attempt to disable PatchGuard

      Rootkits can use kernel patching to embed themselves in an operating system.

    • 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.

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • 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.

    • 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 Matrix ATT&CK v6

Execution

Command-Line Interface

2
T1059

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

7
T1112

Disabling Security Tools

3
T1089

Virtualization/Sandbox Evasion

1
T1497

Impair Defenses

1
T1562

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks