Malware Analysis Report

2024-11-16 15:59

Sample ID 240209-cyt1psee7w
Target c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc
SHA256 c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc
Tags
amadey 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

c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc

Threat Level: Known bad

The file c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc was found to be: Known bad.

Malicious Activity Summary

amadey evasion trojan

Amadey

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

Checks BIOS information in registry

Identifies Wine through registry keys

Executes dropped EXE

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops file in Windows directory

Enumerates physical storage devices

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-02-09 02:29

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-09 02:29

Reported

2024-02-09 02:30

Platform

win7-20231215-en

Max time kernel

35s

Max time network

18s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.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\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.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\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3308111660-3636268597-2291490419-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explorgu.job C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe

"C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe"

Network

N/A

Files

memory/2104-0-0x0000000000CE0000-0x00000000011A8000-memory.dmp

memory/2104-1-0x0000000077270000-0x0000000077272000-memory.dmp

memory/2104-2-0x0000000000CE0000-0x00000000011A8000-memory.dmp

memory/2104-4-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

memory/2104-6-0x00000000025B0000-0x00000000025B1000-memory.dmp

memory/2104-7-0x00000000004A0000-0x00000000004A1000-memory.dmp

memory/2104-9-0x0000000000610000-0x0000000000611000-memory.dmp

memory/2104-10-0x0000000000840000-0x0000000000841000-memory.dmp

memory/2104-13-0x0000000000590000-0x0000000000591000-memory.dmp

memory/2104-12-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

memory/2104-11-0x0000000000830000-0x0000000000831000-memory.dmp

memory/2104-8-0x00000000005A0000-0x00000000005A1000-memory.dmp

memory/2104-5-0x0000000000620000-0x0000000000621000-memory.dmp

memory/2104-3-0x0000000000850000-0x0000000000851000-memory.dmp

memory/2104-14-0x00000000005B0000-0x00000000005B1000-memory.dmp

memory/2104-15-0x0000000000600000-0x0000000000601000-memory.dmp

memory/2104-16-0x0000000002600000-0x0000000002601000-memory.dmp

memory/2104-18-0x00000000004B0000-0x00000000004B1000-memory.dmp

memory/2104-19-0x0000000002890000-0x0000000002891000-memory.dmp

memory/2104-23-0x0000000000CE0000-0x00000000011A8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-09 02:29

Reported

2024-02-09 02:30

Platform

win10v2004-20231215-en

Max time kernel

56s

Max time network

65s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.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\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.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\00c07260dc\explorgu.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-1815711207-1844170477-3539718864-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\explorgu.job C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.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\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe

"C:\Users\Admin\AppData\Local\Temp\c633c3908a201fd0625df781c82b7b8ebaa87657f4829e34fe2cb4db8b9fa7bc.exe"

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
RU 185.215.113.32:80 tcp
RU 185.215.113.32:80 tcp
RU 185.215.113.32:80 tcp
RU 185.215.113.32:80 tcp

Files

memory/4192-0-0x00000000001B0000-0x0000000000678000-memory.dmp

memory/4192-1-0x0000000076FA4000-0x0000000076FA6000-memory.dmp

memory/4192-2-0x00000000001B0000-0x0000000000678000-memory.dmp

memory/4192-4-0x0000000004F90000-0x0000000004F91000-memory.dmp

memory/4192-5-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

memory/4192-6-0x0000000004F50000-0x0000000004F51000-memory.dmp

memory/4192-3-0x0000000004F80000-0x0000000004F81000-memory.dmp

memory/4192-7-0x0000000004F70000-0x0000000004F71000-memory.dmp

memory/4192-8-0x0000000004F60000-0x0000000004F61000-memory.dmp

memory/4192-9-0x0000000004FB0000-0x0000000004FB1000-memory.dmp

memory/4192-10-0x0000000004FE0000-0x0000000004FE1000-memory.dmp

memory/4192-11-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

memory/4192-16-0x00000000001B0000-0x0000000000678000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe

MD5 f725abbd1152ed2ae7024f581c93d38f
SHA1 4fa68451415ee017426e65c739032946ea6c6285
SHA256 1ca1a392ae6613f477b9a7b37b4692b0034c0590a0929853b966fccbd22cd71c
SHA512 897a645fb4ff599e76e11d080258ab4f23e65b8777e5dfb4e067d17ba4babdb83aa03946588e9862c87729de784bd6675fe507f430ff0944ce389cdd1886c1e2

memory/2104-19-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-20-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-21-0x0000000005020000-0x0000000005021000-memory.dmp

memory/2104-22-0x0000000005030000-0x0000000005031000-memory.dmp

memory/2104-23-0x0000000005010000-0x0000000005011000-memory.dmp

memory/2104-24-0x0000000005050000-0x0000000005051000-memory.dmp

memory/2104-25-0x0000000004FF0000-0x0000000004FF1000-memory.dmp

memory/2104-26-0x0000000005000000-0x0000000005001000-memory.dmp

memory/2104-27-0x0000000005040000-0x0000000005041000-memory.dmp

memory/2104-28-0x0000000005070000-0x0000000005071000-memory.dmp

memory/2104-29-0x0000000005060000-0x0000000005061000-memory.dmp

memory/2104-30-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-31-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-32-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-33-0x0000000000150000-0x0000000000618000-memory.dmp

memory/2104-34-0x0000000000150000-0x0000000000618000-memory.dmp