Malware Analysis Report

2024-11-30 21:58

Sample ID 240706-c6jvpstcjm
Target 8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230
SHA256 8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230
Tags
amadey 4dd39d evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230

Threat Level: Known bad

The file 8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230 was found to be: Known bad.

Malicious Activity Summary

amadey 4dd39d evasion trojan

Amadey

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

Checks BIOS information in registry

Identifies Wine through registry keys

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-06 02:41

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-06 02:41

Reported

2024-07-06 02:43

Platform

win7-20240704-en

Max time kernel

142s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe"

Signatures

Amadey

trojan amadey

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

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3434294380-2554721341-1919518612-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explorti.job C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A

Enumerates physical storage devices

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe

"C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe"

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"

Network

Country Destination Domain Proto
RU 77.91.77.82:80 77.91.77.82 tcp

Files

memory/1196-0-0x0000000001160000-0x0000000001616000-memory.dmp

memory/1196-1-0x00000000776A0000-0x00000000776A2000-memory.dmp

memory/1196-2-0x0000000001161000-0x000000000118F000-memory.dmp

memory/1196-3-0x0000000001160000-0x0000000001616000-memory.dmp

memory/1196-4-0x0000000001160000-0x0000000001616000-memory.dmp

memory/1196-6-0x0000000001160000-0x0000000001616000-memory.dmp

\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

MD5 6b40c1ad4eb4763067fb1cfa75f8ce61
SHA1 297b3ab03063c43f5e4e752efbba3986e2245e22
SHA256 8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230
SHA512 b639cfdca983bfad19bfd54b95197e2b8c8868e7c786cec6520a61864f6571473873939b35fe5aea847d7073135df94901b1b929fbab6c8c5177626cfa65dc1f

memory/1196-16-0x0000000001160000-0x0000000001616000-memory.dmp

memory/2816-17-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-18-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-19-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-21-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-22-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-23-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-24-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-25-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-26-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-27-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-28-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-29-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-30-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-31-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-32-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-33-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-34-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-35-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-36-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-37-0x0000000000FA0000-0x0000000001456000-memory.dmp

memory/2816-38-0x0000000000FA0000-0x0000000001456000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-06 02:41

Reported

2024-07-06 02:43

Platform

win10v2004-20240704-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe"

Signatures

Amadey

trojan amadey

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

evasion
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2494989678-839960665-2515455429-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explorti.job C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe

"C:\Users\Admin\AppData\Local\Temp\8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230.exe"

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 77.91.77.82:80 77.91.77.82 tcp
US 8.8.8.8:53 82.77.91.77.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.73.50.20.in-addr.arpa udp

Files

memory/4608-0-0x0000000000BC0000-0x0000000001076000-memory.dmp

memory/4608-1-0x0000000077824000-0x0000000077826000-memory.dmp

memory/4608-3-0x0000000000BC0000-0x0000000001076000-memory.dmp

memory/4608-2-0x0000000000BC1000-0x0000000000BEF000-memory.dmp

memory/4608-5-0x0000000000BC0000-0x0000000001076000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe

MD5 6b40c1ad4eb4763067fb1cfa75f8ce61
SHA1 297b3ab03063c43f5e4e752efbba3986e2245e22
SHA256 8ecd9ef4ed16ada01ebf877fd6911837d50003e004b0f18d48e07f347c710230
SHA512 b639cfdca983bfad19bfd54b95197e2b8c8868e7c786cec6520a61864f6571473873939b35fe5aea847d7073135df94901b1b929fbab6c8c5177626cfa65dc1f

memory/1284-18-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/4608-17-0x0000000000BC0000-0x0000000001076000-memory.dmp

memory/1284-20-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-19-0x00000000005B1000-0x00000000005DF000-memory.dmp

memory/1284-21-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-22-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-23-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-24-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-25-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-26-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1400-28-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1400-30-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1400-29-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1400-31-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-32-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-33-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-34-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-35-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-36-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-37-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/436-39-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-40-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-41-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-42-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-43-0x00000000005B0000-0x0000000000A66000-memory.dmp

memory/1284-44-0x00000000005B0000-0x0000000000A66000-memory.dmp