General

  • Target

    6dd3d6081f01c1fb88b36ecd336005ab3571876be404efe416a7248866868191.exe

  • Size

    1.8MB

  • Sample

    240727-bwl2msyamj

  • MD5

    6f59ce88b52487bba7eb59e81525c4f5

  • SHA1

    83bb1abc3bd3b56bec0a68d6cd0df63bcf975ad6

  • SHA256

    6dd3d6081f01c1fb88b36ecd336005ab3571876be404efe416a7248866868191

  • SHA512

    985853c822cd92ee4a1f2a04eb63ee4e6692f23144683cf40e5a402e7a81b951acb1d489c0e5292c0b78aab99787f89dabcaec5b25975f706f52c01601293860

  • SSDEEP

    49152:k7FXgGgW5JEKR/99GAdrdKZWILQ5qDjVN:kXQWkK9HFYpQ5qD/

Malware Config

Extracted

Family

amadey

Version

4.41

Botnet

0657d1

C2

http://185.215.113.19

Attributes
  • install_dir

    0d8f5eb8a7

  • install_file

    explorti.exe

  • strings_key

    6c55a5f34bb433fbd933a168577b1838

  • url_paths

    /Vi9leo/index.php

rc4.plain

Extracted

Family

stealc

Botnet

sila

C2

http://85.28.47.31

Attributes
  • url_path

    /5499d72b3a3e55be.php

Targets

    • Target

      6dd3d6081f01c1fb88b36ecd336005ab3571876be404efe416a7248866868191.exe

    • Size

      1.8MB

    • MD5

      6f59ce88b52487bba7eb59e81525c4f5

    • SHA1

      83bb1abc3bd3b56bec0a68d6cd0df63bcf975ad6

    • SHA256

      6dd3d6081f01c1fb88b36ecd336005ab3571876be404efe416a7248866868191

    • SHA512

      985853c822cd92ee4a1f2a04eb63ee4e6692f23144683cf40e5a402e7a81b951acb1d489c0e5292c0b78aab99787f89dabcaec5b25975f706f52c01601293860

    • SSDEEP

      49152:k7FXgGgW5JEKR/99GAdrdKZWILQ5qDjVN:kXQWkK9HFYpQ5qD/

    • Amadey

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

    • Stealc

      Stealc is an infostealer written in C++.

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

    • Downloads MZ/PE file

    • 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

    • Adds Run key to start application

    • AutoIT Executable

      AutoIT scripts compiled to PE executables.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

1
T1112

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

Tasks