General

  • Target

    f99089673708f6b9403d9f29bb38e57ccbbe1db817ba76a17d424916c728348e

  • Size

    1.8MB

  • Sample

    240423-t3bhlahh4x

  • MD5

    a47c31ff0e32425ba792daf86a62e6ba

  • SHA1

    a84712ecf1ab33b7c2c9d80672fb0a45da10d3cc

  • SHA256

    f99089673708f6b9403d9f29bb38e57ccbbe1db817ba76a17d424916c728348e

  • SHA512

    26bdcac91c9fc5a76e1d1c8545c3fb6c6bd25208024d070cb4d82eaf1bc8efafe7aaaeb2cff31541d810b5ce6da4a97a66950a862ef8eb2e1fdefb512e0c4038

  • SSDEEP

    49152:ckrrVR7tlJzqaOdFLlVRpUXsNWeqKtqvQT4aH4tyeJ7:ckzfJzpSUQTq+5FN

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://193.233.132.167

Attributes
  • install_dir

    4d0ab15804

  • install_file

    chrosha.exe

  • strings_key

    1a9519d7b465e1f4880fa09a6162d768

  • url_paths

    /enigma/index.php

rc4.plain

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Extracted

Family

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      f99089673708f6b9403d9f29bb38e57ccbbe1db817ba76a17d424916c728348e

    • Size

      1.8MB

    • MD5

      a47c31ff0e32425ba792daf86a62e6ba

    • SHA1

      a84712ecf1ab33b7c2c9d80672fb0a45da10d3cc

    • SHA256

      f99089673708f6b9403d9f29bb38e57ccbbe1db817ba76a17d424916c728348e

    • SHA512

      26bdcac91c9fc5a76e1d1c8545c3fb6c6bd25208024d070cb4d82eaf1bc8efafe7aaaeb2cff31541d810b5ce6da4a97a66950a862ef8eb2e1fdefb512e0c4038

    • SSDEEP

      49152:ckrrVR7tlJzqaOdFLlVRpUXsNWeqKtqvQT4aH4tyeJ7:ckzfJzpSUQTq+5FN

    • Amadey

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

    • Detect ZGRat V1

    • Glupteba

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

    • Glupteba payload

    • RedLine

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

    • RedLine payload

    • Stealc

      Stealc is an infostealer written in C++.

    • UAC bypass

    • Windows security bypass

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Modifies Windows Firewall

    • Stops running service(s)

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • 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

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

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

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

5
T1562

Disable or Modify Tools

3
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

5
T1112

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

5
T1082

Collection

Data from Local System

4
T1005

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks