General

  • Target

    baaa40d7dd17cf725b27cf7e2ba973cc

  • Size

    3.9MB

  • Sample

    231220-qzqxbshfbq

  • MD5

    baaa40d7dd17cf725b27cf7e2ba973cc

  • SHA1

    a98e9dccbf415811916491a9a056311f5ba9ca04

  • SHA256

    f6a837b38aae330303755512790e1d240aa13b77e9903353a841f92afdb6132e

  • SHA512

    87a93c54f81d9a25dd4ec87344e73a1ce31dec1f221053107039c7f1e0dabbadddef4fd82085015ad22f8a186beec3184a736f2bf013b035bfecc924f3dd9dd4

  • SSDEEP

    98304:ybsmQ43UF0siXeWoLHMd41LBS0T4AYY8SMc/q2voGTb+/0:ybsmQDKurNLoi4AD8/c/qp0+M

Malware Config

Extracted

Family

nullmixer

C2

http://sornx.xyz/

Extracted

Family

privateloader

C2

http://37.0.10.214/proxies.txt

http://37.0.10.171/server.txt

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

37.0.10.185

Extracted

Family

smokeloader

Botnet

pub6

Extracted

Family

vidar

Version

40.1

Botnet

706

C2

https://eduarroma.tumblr.com/

Attributes
  • profile_id

    706

Extracted

Family

redline

Botnet

pab4

C2

185.215.113.15:61506

Extracted

Family

smokeloader

Version

2020

C2

http://aucmoney.com/upload/

http://thegymmum.com/upload/

http://atvcampingtrips.com/upload/

http://kuapakualaman.com/upload/

http://renatazarazua.com/upload/

http://nasufmutlu.com/upload/

rc4.i32
rc4.i32

Targets

    • Target

      baaa40d7dd17cf725b27cf7e2ba973cc

    • Size

      3.9MB

    • MD5

      baaa40d7dd17cf725b27cf7e2ba973cc

    • SHA1

      a98e9dccbf415811916491a9a056311f5ba9ca04

    • SHA256

      f6a837b38aae330303755512790e1d240aa13b77e9903353a841f92afdb6132e

    • SHA512

      87a93c54f81d9a25dd4ec87344e73a1ce31dec1f221053107039c7f1e0dabbadddef4fd82085015ad22f8a186beec3184a736f2bf013b035bfecc924f3dd9dd4

    • SSDEEP

      98304:ybsmQ43UF0siXeWoLHMd41LBS0T4AYY8SMc/q2voGTb+/0:ybsmQDKurNLoi4AD8/c/qp0+M

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • CryptBot payload

    • NullMixer

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

    • 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

    • SectopRAT

      SectopRAT is a remote access trojan first seen in November 2019.

    • SectopRAT payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Vidar Stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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

    • 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

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks