General

  • Target

    2a5fbbb9305976c9ccb1cfd3280d67d299003c58d85c9afc142e0d64213c3bea

  • Size

    1.2MB

  • Sample

    240420-y3z86she5s

  • MD5

    3054d6b50fa20563cdac3e8f3879afc9

  • SHA1

    aab0db34b3f0c3912872b7c4a4c8c82ed127393d

  • SHA256

    2a5fbbb9305976c9ccb1cfd3280d67d299003c58d85c9afc142e0d64213c3bea

  • SHA512

    5f41b918d84a6f4c76f1c23d8b1d65319d5d0c423355275f7fa4c7c187ff7a47740e37425cbdc7898c2c7af81377b20472d7b3346fd1983381e7a145a884afff

  • SSDEEP

    24576:gyYB1XWl1uTw5eKK4VzNRCURNW1WNKTRx+A9RGqlEyEYY:nYjIeKK4VJRC0o1WglNE

Malware Config

Extracted

Family

redline

Botnet

trush

C2

77.91.124.82:19071

Attributes
  • auth_value

    c13814867cde8193679cd0cad2d774be

Extracted

Family

amadey

Version

3.89

C2

http://77.91.68.52

Attributes
  • install_dir

    fefffe8cea

  • install_file

    explonde.exe

  • strings_key

    916aae73606d7a9e02a1d3b47c199688

  • url_paths

    /mac/index.php

rc4.plain

Targets

    • Target

      2a5fbbb9305976c9ccb1cfd3280d67d299003c58d85c9afc142e0d64213c3bea

    • Size

      1.2MB

    • MD5

      3054d6b50fa20563cdac3e8f3879afc9

    • SHA1

      aab0db34b3f0c3912872b7c4a4c8c82ed127393d

    • SHA256

      2a5fbbb9305976c9ccb1cfd3280d67d299003c58d85c9afc142e0d64213c3bea

    • SHA512

      5f41b918d84a6f4c76f1c23d8b1d65319d5d0c423355275f7fa4c7c187ff7a47740e37425cbdc7898c2c7af81377b20472d7b3346fd1983381e7a145a884afff

    • SSDEEP

      24576:gyYB1XWl1uTw5eKK4VzNRCURNW1WNKTRx+A9RGqlEyEYY:nYjIeKK4VJRC0o1WglNE

    • Amadey

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

    • Detect Mystic stealer payload

    • Detects Healer an antivirus disabler dropper

    • Healer

      Healer an antivirus disabler dropper.

    • Modifies Windows Defender Real-time Protection settings

    • Mystic

      Mystic is an infostealer written in C++.

    • RedLine

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

    • RedLine payload

    • Detects executables containing SQL queries to confidential data stores. Observed in infostealers

    • Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

    • Detects executables packed with ConfuserEx Mod

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

3
T1112

Impair Defenses

2
T1562

Disable or Modify Tools

2
T1562.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Tasks