Malware Analysis Report

2024-11-15 09:25

Sample ID 240626-lv61jayfkh
Target b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390
SHA256 b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390
Tags
amadey 0e6740 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

b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390

Threat Level: Known bad

The file b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390 was found to be: Known bad.

Malicious Activity Summary

amadey 0e6740 evasion trojan

Amadey

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

Executes dropped EXE

Checks BIOS information in registry

Checks computer location settings

Identifies Wine through registry keys

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-26 09:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-26 09:52

Reported

2024-06-26 09:54

Platform

win10v2004-20240508-en

Max time kernel

142s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.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\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explortu.job C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe

"C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe"

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

Network

Country Destination Domain Proto
RU 147.45.47.155:80 tcp
RU 147.45.47.155:80 tcp

Files

memory/432-0-0x0000000000C40000-0x00000000010F8000-memory.dmp

memory/432-1-0x0000000077434000-0x0000000077436000-memory.dmp

memory/432-2-0x0000000000C41000-0x0000000000C6F000-memory.dmp

memory/432-3-0x0000000000C40000-0x00000000010F8000-memory.dmp

memory/432-5-0x0000000000C40000-0x00000000010F8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

MD5 f2aef3b38d91c72afb681c5eded18a85
SHA1 71a95ce0e1444c932aa36ddabfbe97e7acac439b
SHA256 b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390
SHA512 39ef4596b7b56a3109f0194d35357c47a120a1a9710233b7b88424ffffb139ac9c5f9926c2f8efa1055ddb49af0bc9d52ca931f68c0209c3295d0c90899155d3

memory/432-17-0x0000000000C40000-0x00000000010F8000-memory.dmp

memory/3292-18-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-19-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-20-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-21-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-22-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-23-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-24-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-25-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-26-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-27-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/4560-29-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/4560-30-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/4560-31-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/4560-32-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-33-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-34-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-35-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-36-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-37-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-38-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3216-40-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-41-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-42-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-43-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-44-0x0000000000AE0000-0x0000000000F98000-memory.dmp

memory/3292-45-0x0000000000AE0000-0x0000000000F98000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-26 09:52

Reported

2024-06-26 09:54

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.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\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.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\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1672260578-815027929-964132517-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explortu.job C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe

"C:\Users\Admin\AppData\Local\Temp\b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390.exe"

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

"C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe"

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

Network

Country Destination Domain Proto
RU 147.45.47.155:80 tcp
RU 147.45.47.155:80 tcp
IE 52.111.236.22:443 tcp

Files

memory/2936-0-0x0000000000780000-0x0000000000C38000-memory.dmp

memory/2936-1-0x0000000077616000-0x0000000077618000-memory.dmp

memory/2936-2-0x0000000000781000-0x00000000007AF000-memory.dmp

memory/2936-3-0x0000000000780000-0x0000000000C38000-memory.dmp

memory/2936-5-0x0000000000780000-0x0000000000C38000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\9217037dc9\explortu.exe

MD5 f2aef3b38d91c72afb681c5eded18a85
SHA1 71a95ce0e1444c932aa36ddabfbe97e7acac439b
SHA256 b4ef618422c5c4f681a9bc1852cb04f03247bf9f86f1c6095f8485fdffde3390
SHA512 39ef4596b7b56a3109f0194d35357c47a120a1a9710233b7b88424ffffb139ac9c5f9926c2f8efa1055ddb49af0bc9d52ca931f68c0209c3295d0c90899155d3

memory/2936-17-0x0000000000780000-0x0000000000C38000-memory.dmp

memory/4896-18-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-19-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-20-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-21-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-22-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-23-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-24-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-25-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-26-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-27-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4908-29-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4908-30-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4908-31-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4908-32-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-33-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-34-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-35-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-36-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-37-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-38-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4492-40-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-41-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-42-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-43-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-44-0x0000000000760000-0x0000000000C18000-memory.dmp

memory/4896-45-0x0000000000760000-0x0000000000C18000-memory.dmp