Malware Analysis Report

2024-11-30 22:03

Sample ID 240704-st2gzsycpj
Target 7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d
SHA256 7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d
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

7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d

Threat Level: Known bad

The file 7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d was found to be: Known bad.

Malicious Activity Summary

amadey 4dd39d 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 behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-04 15:25

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-04 15:25

Reported

2024-07-04 15:28

Platform

win10v2004-20240508-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\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\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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\SystemBiosVersion 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

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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe

"C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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

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 tcp
RU 77.91.77.82:80 tcp

Files

memory/2796-0-0x0000000000300000-0x00000000007B7000-memory.dmp

memory/2796-1-0x0000000077EC4000-0x0000000077EC6000-memory.dmp

memory/2796-2-0x0000000000301000-0x000000000032F000-memory.dmp

memory/2796-3-0x0000000000300000-0x00000000007B7000-memory.dmp

memory/2796-5-0x0000000000300000-0x00000000007B7000-memory.dmp

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

MD5 e566d019241addf080ea9dfea9606e31
SHA1 ff4356991bbb88b4ddfc94d733002fb630ff92c2
SHA256 7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d
SHA512 38c300b145d0e716ccd429c6154f88b2d9e326e35ebbcc60f3f40ffc4d2c9b03e358c177dc52ffa11dc12dc93b3ebd3f64889af33b153e9e0b5072f9da72158d

memory/3232-17-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2796-16-0x0000000000300000-0x00000000007B7000-memory.dmp

memory/3232-19-0x0000000000C41000-0x0000000000C6F000-memory.dmp

memory/3232-20-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2792-22-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2792-23-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2792-24-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-25-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2792-26-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-27-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-28-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-29-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-30-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-31-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-32-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-33-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-34-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-35-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/4208-37-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-38-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-39-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-40-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-41-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-42-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-44-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2304-45-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/2304-46-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-47-0x0000000000C40000-0x00000000010F7000-memory.dmp

memory/3232-48-0x0000000000C40000-0x00000000010F7000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-04 15:25

Reported

2024-07-04 15:28

Platform

win11-20240508-en

Max time kernel

146s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\ad40971b6b\explorti.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\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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-2457560273-69882387-977367775-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe N/A

Enumerates physical storage devices

Processes

C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.exe

"C:\Users\Admin\AppData\Local\Temp\7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d.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
RU 77.91.77.82:80 tcp
RU 77.91.77.82:80 tcp
US 52.111.229.19:443 tcp

Files

memory/1892-0-0x00000000001D0000-0x0000000000687000-memory.dmp

memory/1892-1-0x0000000077DF6000-0x0000000077DF8000-memory.dmp

memory/1892-2-0x00000000001D1000-0x00000000001FF000-memory.dmp

memory/1892-3-0x00000000001D0000-0x0000000000687000-memory.dmp

memory/1892-5-0x00000000001D0000-0x0000000000687000-memory.dmp

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

MD5 e566d019241addf080ea9dfea9606e31
SHA1 ff4356991bbb88b4ddfc94d733002fb630ff92c2
SHA256 7e88a7c92acd7c028befff6e42c7a631fa369f2f436322241e682771cbc26f5d
SHA512 38c300b145d0e716ccd429c6154f88b2d9e326e35ebbcc60f3f40ffc4d2c9b03e358c177dc52ffa11dc12dc93b3ebd3f64889af33b153e9e0b5072f9da72158d

memory/1892-17-0x00000000001D0000-0x0000000000687000-memory.dmp

memory/4000-18-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-19-0x00000000006D1000-0x00000000006FF000-memory.dmp

memory/4000-20-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-21-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-22-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-23-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-24-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-25-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-26-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-27-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-28-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3892-30-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3892-31-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3892-32-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3892-33-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-34-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-35-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-36-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-37-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-38-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-39-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3696-41-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/3696-42-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-43-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-44-0x00000000006D0000-0x0000000000B87000-memory.dmp

memory/4000-45-0x00000000006D0000-0x0000000000B87000-memory.dmp