General

  • Target

    1453a1bf6ef1218395b919a7badddc02eb85539918a4f421030f209c7fe08de9

  • Size

    1.8MB

  • Sample

    240425-gqxh3sgd49

  • MD5

    31857a8258574f59a1f00cf4a9550cde

  • SHA1

    ec25b1aaafce23e06d1529b9f5f7978c074bbcba

  • SHA256

    1453a1bf6ef1218395b919a7badddc02eb85539918a4f421030f209c7fe08de9

  • SHA512

    ead7a304af71f76151ce72e745873aa4f3cffa2785c56fe02ec5c80f6678290d3603b4cc7b186a04028aa7ba725d062fa645689b63abf0bf95520a013b7b12f8

  • SSDEEP

    49152:m3/bncujRiP/9gVgPHe7lw925QUayPIfM2m/y:mjnHs35H8w99QPIw

Malware Config

Extracted

Family

amadey

Version

4.20

C2

http://193.233.132.139

Attributes
  • install_dir

    5454e6f062

  • install_file

    explorta.exe

  • strings_key

    c7a869c5ba1d72480093ec207994e2bf

  • url_paths

    /sev56rkm/index.php

rc4.plain

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

stealc

C2

http://52.143.157.84

Attributes
  • url_path

    /c73eed764cc59dcb.php

Targets

    • Target

      1453a1bf6ef1218395b919a7badddc02eb85539918a4f421030f209c7fe08de9

    • Size

      1.8MB

    • MD5

      31857a8258574f59a1f00cf4a9550cde

    • SHA1

      ec25b1aaafce23e06d1529b9f5f7978c074bbcba

    • SHA256

      1453a1bf6ef1218395b919a7badddc02eb85539918a4f421030f209c7fe08de9

    • SHA512

      ead7a304af71f76151ce72e745873aa4f3cffa2785c56fe02ec5c80f6678290d3603b4cc7b186a04028aa7ba725d062fa645689b63abf0bf95520a013b7b12f8

    • SSDEEP

      49152:m3/bncujRiP/9gVgPHe7lw925QUayPIfM2m/y:mjnHs35H8w99QPIw

    • 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

    • RisePro

      RisePro stealer is an infostealer distributed by PrivateLoader.

    • Stealc

      Stealc is an infostealer written in C++.

    • ZGRat

      ZGRat is remote access trojan written in C#.

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

    • Downloads MZ/PE file

    • 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.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • 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.

    • 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

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

Virtualization/Sandbox Evasion

2
T1497

Impair Defenses

1
T1562

Modify Registry

2
T1112

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

Command and Control

Web Service

1
T1102

Impact

Service Stop

1
T1489

Tasks