General

  • Target

    b762857d767dad18bd306351af1e3e58557662de00ccab3e9c37237c52050eb5

  • Size

    1.8MB

  • Sample

    240403-bwnkgaca37

  • MD5

    99bc73018e280b48c0c90fd00b3f531e

  • SHA1

    12a99204cf5715d51ca3d0cdc5ca828350cf58e3

  • SHA256

    b762857d767dad18bd306351af1e3e58557662de00ccab3e9c37237c52050eb5

  • SHA512

    9d9b382992d56c491fa325dbd7c03bb817730e2e6b7887f328af8a7ce826474c658b6a8d19c85af151597ee88951d7b7866a23dfde3056aa12069cca82761307

  • SSDEEP

    49152:IpROQKO1JRLXNP0MiMfZ8ca9T89tP+RcL/bzwRx:A8QK69XNjbKPWLQx

Malware Config

Extracted

Family

amadey

Version

4.17

C2

http://185.215.113.32

Attributes
  • install_dir

    00c07260dc

  • install_file

    explorgu.exe

  • strings_key

    461809bd97c251ba0c0c8450c7055f1d

  • url_paths

    /yandex/index.php

rc4.plain

Extracted

Family

redline

Botnet

Jok123

C2

185.215.113.67:26260

Extracted

Family

redline

Botnet

@OLEH_PSP

C2

185.172.128.33:8970

Extracted

Family

redline

Botnet

LiveTraffic

C2

4.185.137.132:1632

Extracted

Family

stealc

C2

http://185.172.128.209

Attributes
  • url_path

    /3cd2b41cbde8fc9c.php

Targets

    • Target

      b762857d767dad18bd306351af1e3e58557662de00ccab3e9c37237c52050eb5

    • Size

      1.8MB

    • MD5

      99bc73018e280b48c0c90fd00b3f531e

    • SHA1

      12a99204cf5715d51ca3d0cdc5ca828350cf58e3

    • SHA256

      b762857d767dad18bd306351af1e3e58557662de00ccab3e9c37237c52050eb5

    • SHA512

      9d9b382992d56c491fa325dbd7c03bb817730e2e6b7887f328af8a7ce826474c658b6a8d19c85af151597ee88951d7b7866a23dfde3056aa12069cca82761307

    • SSDEEP

      49152:IpROQKO1JRLXNP0MiMfZ8ca9T89tP+RcL/bzwRx:A8QK69XNjbKPWLQx

    • Amadey

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

    • Detect ZGRat V1

    • Modifies firewall policy service

    • 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

    • Drops file in Drivers directory

    • 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 data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • 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 local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Registers COM server for autorun

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • 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.

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Drops file in System32 directory

    • 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

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

7
T1112

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

3
T1562

Disable or Modify Tools

3
T1562.001

Virtualization/Sandbox Evasion

2
T1497

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Credential Access

Unsecured Credentials

6
T1552

Credentials In Files

5
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

9
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Remote System Discovery

1
T1018

Collection

Data from Local System

6
T1005

Command and Control

Web Service

1
T1102

Tasks