Malware Analysis Report

2024-10-18 23:35

Sample ID 240927-cayzrasblg
Target e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe
SHA256 e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196
Tags
amadey fed3aa discovery evasion trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196

Threat Level: Known bad

The file e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe was found to be: Known bad.

Malicious Activity Summary

amadey fed3aa discovery evasion trojan

Amadey

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

Executes dropped EXE

Loads dropped DLL

Identifies Wine through registry keys

Checks computer location settings

Checks BIOS information in registry

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-27 01:53

Signatures

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-27 01:53

Reported

2024-09-27 01:55

Platform

win10v2004-20240802-en

Max time kernel

148s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.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\44111dbc49\axplong.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-355097885-2402257403-2971294179-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\axplong.job C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe

"C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe"

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

"C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 99.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 72.32.126.40.in-addr.arpa udp
RU 185.215.113.16:80 185.215.113.16 tcp
US 8.8.8.8:53 16.113.215.185.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4904-0-0x0000000000770000-0x0000000000C1C000-memory.dmp

memory/4904-1-0x0000000077154000-0x0000000077156000-memory.dmp

memory/4904-2-0x0000000000771000-0x000000000079F000-memory.dmp

memory/4904-3-0x0000000000770000-0x0000000000C1C000-memory.dmp

memory/4904-4-0x0000000000770000-0x0000000000C1C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

MD5 b6041e0fe108db5e8addcf6d6b4da4bf
SHA1 4f6d688e4294362965c5e74999cd6f4c24566956
SHA256 e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196
SHA512 7f64d463e9540a3625b5e68b4afdf4237b0241c144c5fb047d86bfb8491a51f68c34c57566d09b67013b10325a5da0b04664a30539d125ce6b85438846fa1b95

memory/4904-17-0x0000000000770000-0x0000000000C1C000-memory.dmp

memory/3828-18-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-19-0x0000000000EF1000-0x0000000000F1F000-memory.dmp

memory/3828-20-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-21-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-22-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-23-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-24-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-26-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-27-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-28-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-30-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/4084-31-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/4084-32-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/4084-33-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/4084-35-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-36-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-37-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-38-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-39-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-40-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/400-43-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-42-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/400-45-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-46-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-47-0x0000000000EF0000-0x000000000139C000-memory.dmp

memory/3828-48-0x0000000000EF0000-0x000000000139C000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-27 01:53

Reported

2024-09-27 01:55

Platform

win7-20240903-en

Max time kernel

118s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.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\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.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\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-457978338-2990298471-2379561640-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\axplong.job C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe

"C:\Users\Admin\AppData\Local\Temp\e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196.exe"

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

"C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe"

Network

N/A

Files

memory/1960-0-0x0000000000DE0000-0x000000000128C000-memory.dmp

memory/1960-1-0x00000000771B0000-0x00000000771B2000-memory.dmp

memory/1960-2-0x0000000000DE1000-0x0000000000E0F000-memory.dmp

memory/1960-3-0x0000000000DE0000-0x000000000128C000-memory.dmp

memory/1960-4-0x0000000000DE0000-0x000000000128C000-memory.dmp

memory/1960-9-0x0000000000DE0000-0x000000000128C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\44111dbc49\axplong.exe

MD5 b6041e0fe108db5e8addcf6d6b4da4bf
SHA1 4f6d688e4294362965c5e74999cd6f4c24566956
SHA256 e5db33a91b7e4fd54196dad1042df50860dc815fdd1fb88a5e093ea2597cb196
SHA512 7f64d463e9540a3625b5e68b4afdf4237b0241c144c5fb047d86bfb8491a51f68c34c57566d09b67013b10325a5da0b04664a30539d125ce6b85438846fa1b95

memory/1960-16-0x0000000000DE0000-0x000000000128C000-memory.dmp

memory/2748-17-0x0000000000AD0000-0x0000000000F7C000-memory.dmp

memory/2748-18-0x0000000000AD0000-0x0000000000F7C000-memory.dmp

memory/2748-19-0x0000000000AD0000-0x0000000000F7C000-memory.dmp

memory/2748-21-0x0000000000AD1000-0x0000000000AFF000-memory.dmp

memory/2748-22-0x0000000000AD0000-0x0000000000F7C000-memory.dmp