Malware Analysis Report

2024-10-23 21:50

Sample ID 240910-xcjytszerf
Target 08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e
SHA256 08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e
Tags
amadey c7817d discovery 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

08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e

Threat Level: Known bad

The file 08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e was found to be: Known bad.

Malicious Activity Summary

amadey c7817d discovery evasion trojan

Amadey

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

Downloads MZ/PE file

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

System Location Discovery: System Language Discovery

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-10 18:42

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-10 18:42

Reported

2024-09-10 18:45

Platform

win7-20240708-en

Max time kernel

141s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.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\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A

Downloads MZ/PE file

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\svoutse.job C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.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\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe

"C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe"

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

"C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"

Network

Country Destination Domain Proto
RU 31.41.244.10:80 31.41.244.10 tcp
RU 31.41.244.11:80 31.41.244.11 tcp
RU 31.41.244.11:80 31.41.244.11 tcp

Files

memory/2292-0-0x0000000000BA0000-0x0000000001071000-memory.dmp

memory/2292-1-0x0000000077470000-0x0000000077472000-memory.dmp

memory/2292-2-0x0000000000BA1000-0x0000000000BCF000-memory.dmp

memory/2292-3-0x0000000000BA0000-0x0000000001071000-memory.dmp

memory/2292-4-0x0000000000BA0000-0x0000000001071000-memory.dmp

memory/2292-10-0x0000000000BA0000-0x0000000001071000-memory.dmp

memory/2292-14-0x0000000006E50000-0x0000000007321000-memory.dmp

memory/2292-18-0x0000000000BA0000-0x0000000001071000-memory.dmp

memory/1792-16-0x00000000003A0000-0x0000000000871000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

MD5 f739e09c9647d0fb9b70678646ee45b3
SHA1 b0dcdcd999183c053adccd84a9b5efd62f1f5bd6
SHA256 08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e
SHA512 884b4e838b19a2c1581f8dd41fbe25d49e4a68fd7fd1c32341e4bf332c5d93aa2b4d00aa936464f729301b51eef167bbfb2c7f53fd5ba93797a0ed6794922f1b

memory/1792-19-0x00000000003A1000-0x00000000003CF000-memory.dmp

memory/1792-20-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-22-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-23-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-24-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-25-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-27-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-28-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-29-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-30-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-31-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-32-0x00000000003A0000-0x0000000000871000-memory.dmp

C:\Users\Admin\AppData\Roaming\1000026000\ae993f36a6.exe

MD5 6693b795b52909b980e663f274e0550d
SHA1 44d2b5a65d8b2740148efc942a390cf44c3356d9
SHA256 e93649821c2a80aac19261527174dca328b7dec72210653233fe637e40a1f8ae
SHA512 56cff3c609380ad64af63f3d53aabf9d51df6dda2118e2778a1be4b85c3e94903621fd6fb1b459ae44042417372171350078e94438df64a8b040cdb1ecac9c44

memory/1792-43-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-44-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-45-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-46-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-47-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-48-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-49-0x00000000003A0000-0x0000000000871000-memory.dmp

memory/1792-50-0x00000000003A0000-0x0000000000871000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-10 18:42

Reported

2024-09-10 18:45

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.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\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Downloads MZ/PE file

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Identifies Wine through registry keys

evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File created C:\Windows\Tasks\svoutse.job C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.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\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe

"C:\Users\Admin\AppData\Local\Temp\08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e.exe"

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

"C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe"

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
RU 31.41.244.10:80 31.41.244.10 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 10.244.41.31.in-addr.arpa udp
US 8.8.8.8:53 21.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
RU 31.41.244.10:80 31.41.244.10 tcp
RU 31.41.244.11:80 31.41.244.11 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 11.244.41.31.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 95.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
RU 31.41.244.10:80 31.41.244.10 tcp
RU 31.41.244.11:80 31.41.244.11 tcp

Files

memory/3704-0-0x0000000000C80000-0x0000000001151000-memory.dmp

memory/3704-1-0x00000000774C4000-0x00000000774C6000-memory.dmp

memory/3704-2-0x0000000000C81000-0x0000000000CAF000-memory.dmp

memory/3704-3-0x0000000000C80000-0x0000000001151000-memory.dmp

memory/3704-5-0x0000000000C80000-0x0000000001151000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\0e8d0864aa\svoutse.exe

MD5 f739e09c9647d0fb9b70678646ee45b3
SHA1 b0dcdcd999183c053adccd84a9b5efd62f1f5bd6
SHA256 08085ffbceb2db75e037624ed5329b96932913dffdac4f4f592ecee4f18d945e
SHA512 884b4e838b19a2c1581f8dd41fbe25d49e4a68fd7fd1c32341e4bf332c5d93aa2b4d00aa936464f729301b51eef167bbfb2c7f53fd5ba93797a0ed6794922f1b

memory/3704-17-0x0000000000C80000-0x0000000001151000-memory.dmp

memory/3444-18-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-20-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-19-0x0000000000F61000-0x0000000000F8F000-memory.dmp

memory/3444-21-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-22-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-23-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-24-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-25-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-26-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/632-28-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/632-29-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/632-30-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/632-32-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-33-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-34-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-35-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-36-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-37-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-38-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/2428-40-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-41-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-42-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-43-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-44-0x0000000000F60000-0x0000000001431000-memory.dmp

memory/3444-45-0x0000000000F60000-0x0000000001431000-memory.dmp

C:\Users\Admin\AppData\Roaming\1000026000\d9200beb92.exe

MD5 dcc58f2694d7dfbbc7e9ee6cc7667530
SHA1 98897f0e8909000c2b6a2ef01fc2fd70713e76d0
SHA256 90779c8e370fb0dac6040de51e37c55d8a89dcd3bf50bd604d299af3d0284226
SHA512 55b957403603199ccab48a004b9409a198c7d030a47f51e188aacab5778d6ac5f35519fb1e5ae91a730def8959805dfe8f14449b8d3bd577134706608b1994d3

memory/3444-60-0x0000000000F60000-0x0000000001431000-memory.dmp