General

  • Target

    c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

  • Size

    1.6MB

  • Sample

    240518-cy4j5sgb32

  • MD5

    97c05214e6105bb765125f14b2c904f0

  • SHA1

    4ad3aaf23969c1efa14d77fb22cb037ec956ebab

  • SHA256

    c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

  • SHA512

    7c3960845f65dfaafe5d708ea9f6e351f5dd2ddaf774babf97090665720ca2898039865acbc6248519fcf27593494c1e35fea85ce9f562da5d6e017c6ba8abed

  • SSDEEP

    49152:7bQePRi5+Som3Snq/3W3EEjL8/h28y2w1YiU:oep4SqfMEEH8528E1YiU

Malware Config

Extracted

Family

amadey

Version

4.20

Botnet

18befc

C2

http://5.42.96.141

Attributes
  • install_dir

    908f070dff

  • install_file

    explorku.exe

  • strings_key

    b25a9385246248a95c600f9a061438e1

  • url_paths

    /go34ko8/index.php

rc4.plain

Extracted

Family

amadey

Version

4.20

Botnet

c767c0

C2

http://5.42.96.7

Attributes
  • install_dir

    7af68cdb52

  • install_file

    axplons.exe

  • strings_key

    e2ce58e78f631ed97d01fe7b70e85d5e

  • url_paths

    /zamo7h/index.php

rc4.plain

Extracted

Family

risepro

C2

147.45.47.126:58709

Extracted

Family

redline

Botnet

@CLOUDYTTEAM

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

1

C2

185.215.113.67:26260

Extracted

Family

stealc

Botnet

zzvv

C2

http://23.88.106.134

Attributes
  • url_path

    /c73eed764cc59dcb.php

Extracted

Family

xworm

C2

127.0.0.1:7000

beshomandotestbesnd.run.place:7000

Attributes
  • Install_directory

    %ProgramData%

  • install_file

    taskmgr.exe

  • telegram

    https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672

Extracted

Family

redline

Botnet

Vic

C2

beshomandotestbesnd.run.place:1111

Targets

    • Target

      c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

    • Size

      1.6MB

    • MD5

      97c05214e6105bb765125f14b2c904f0

    • SHA1

      4ad3aaf23969c1efa14d77fb22cb037ec956ebab

    • SHA256

      c22d167bf7d2d759794634e428006049754be141e56bec5db3a05a75d1917332

    • SHA512

      7c3960845f65dfaafe5d708ea9f6e351f5dd2ddaf774babf97090665720ca2898039865acbc6248519fcf27593494c1e35fea85ce9f562da5d6e017c6ba8abed

    • SSDEEP

      49152:7bQePRi5+Som3Snq/3W3EEjL8/h28y2w1YiU:oep4SqfMEEH8528E1YiU

    • Amadey

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

    • Detect Xworm Payload

    • RedLine

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

    • RedLine payload

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • SectopRAT

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

    • SectopRAT payload

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Downloads MZ/PE file

    • Stops running service(s)

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

System Services

1
T1569

Service Execution

1
T1569.002

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

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

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

2
T1562.001

Modify Registry

4
T1112

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

3
T1552

Credentials In Files

3
T1552.001

Discovery

Query Registry

7
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

3
T1005

Impact

Service Stop

1
T1489

Tasks