Malware Analysis Report

2025-04-13 23:57

Sample ID 241104-r4k3batqcq
Target 1283f5cbb69608f47ece298a8b054eb2e734c19950daad4c26b3e0c1c471f0bd
SHA256 1283f5cbb69608f47ece298a8b054eb2e734c19950daad4c26b3e0c1c471f0bd
Tags
amadey cafd42 discovery 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

1283f5cbb69608f47ece298a8b054eb2e734c19950daad4c26b3e0c1c471f0bd

Threat Level: Known bad

The file 1283f5cbb69608f47ece298a8b054eb2e734c19950daad4c26b3e0c1c471f0bd was found to be: Known bad.

Malicious Activity Summary

amadey cafd42 discovery trojan

Amadey

Amadey family

Executes dropped EXE

Loads dropped DLL

Checks computer location settings

Program crash

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Scheduled Task/Job: Scheduled Task

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-04 14:44

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-04 14:44

Reported

2024-11-04 14:53

Platform

win7-20240708-en

Max time kernel

149s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"

Signatures

Amadey

trojan amadey

Amadey family

amadey

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\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 388 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 388 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 388 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 388 wrote to memory of 592 N/A C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 592 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe C:\Windows\SysWOW64\schtasks.exe
PID 592 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe C:\Windows\SysWOW64\schtasks.exe
PID 592 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe C:\Windows\SysWOW64\schtasks.exe
PID 592 wrote to memory of 2136 N/A C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe C:\Windows\SysWOW64\schtasks.exe
PID 2664 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 2596 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 1232 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 1232 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 1232 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe
PID 2664 wrote to memory of 1232 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

Processes

C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe

"C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

"C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe" /F

C:\Windows\system32\taskeng.exe

taskeng.exe {B47C159A-3C41-4B1D-A671-7AEAF680A235} S-1-5-21-3551809350-4263495960-1443967649-1000:NNYJZAHP\Admin:Interactive:[1]

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

Network

Country Destination Domain Proto
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp
RU 62.204.41.79:80 tcp

Files

memory/388-2-0x0000000000220000-0x000000000025C000-memory.dmp

memory/388-1-0x00000000005B0000-0x00000000006B0000-memory.dmp

memory/388-3-0x0000000000400000-0x0000000000441000-memory.dmp

\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

MD5 bbef91512706a73ab565b9b3d48d72a7
SHA1 6dea225c90f2be69c230a1b2c61f4aa9756b4d8a
SHA256 378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a
SHA512 28134748828618c01780236939cb3d1e8b21d5a23e89812a6cff8566b815894dfb654b8c8f7ef7c3c250c8a72c8783425b865948d08b56d4b79106e5fb22b56a

memory/388-16-0x0000000000400000-0x0000000000441000-memory.dmp

memory/388-15-0x0000000000220000-0x000000000025C000-memory.dmp

memory/388-14-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-19-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-18-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-20-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-22-0x0000000000400000-0x000000000046B000-memory.dmp

memory/2596-29-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-31-0x0000000000400000-0x000000000046B000-memory.dmp

memory/592-35-0x0000000000400000-0x000000000046B000-memory.dmp

memory/1232-38-0x0000000000400000-0x000000000046B000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-04 14:44

Reported

2024-11-04 14:55

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

144s

Command Line

"C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"

Signatures

Amadey

trojan amadey

Amadey family

amadey

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.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\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\schtasks.exe N/A

Scheduled Task/Job: Scheduled Task

persistence execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\schtasks.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe

"C:\Users\Admin\AppData\Local\Temp\378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a.exe"

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

"C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1180 -ip 1180

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1180 -s 1136

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN gntuud.exe /TR "C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe" /F

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2540 -ip 2540

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 312

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 1244 -ip 1244

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1244 -s 312

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4280 -ip 4280

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 312

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
RU 62.204.41.79:80 tcp
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
RU 62.204.41.79:80 tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
RU 62.204.41.79:80 tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
RU 62.204.41.79:80 tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/1180-1-0x0000000000520000-0x0000000000620000-memory.dmp

memory/1180-2-0x00000000008F0000-0x000000000092C000-memory.dmp

memory/1180-3-0x0000000000400000-0x0000000000441000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\35731ceaf0\gntuud.exe

MD5 bbef91512706a73ab565b9b3d48d72a7
SHA1 6dea225c90f2be69c230a1b2c61f4aa9756b4d8a
SHA256 378fe8b541fd23d6df8fd31c2134aba0f3cff4ccb6a3225d91f1e23de6d59b8a
SHA512 28134748828618c01780236939cb3d1e8b21d5a23e89812a6cff8566b815894dfb654b8c8f7ef7c3c250c8a72c8783425b865948d08b56d4b79106e5fb22b56a

memory/1180-19-0x0000000000400000-0x0000000000441000-memory.dmp

memory/1180-18-0x00000000008F0000-0x000000000092C000-memory.dmp

memory/1180-17-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-20-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-22-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-21-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-23-0x0000000000400000-0x000000000046B000-memory.dmp

memory/2540-27-0x0000000000400000-0x000000000046B000-memory.dmp

memory/2540-28-0x0000000000400000-0x000000000046B000-memory.dmp

memory/2540-29-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-34-0x0000000000400000-0x000000000046B000-memory.dmp

memory/1244-38-0x0000000000400000-0x000000000046B000-memory.dmp

memory/1244-39-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-40-0x0000000000400000-0x000000000046B000-memory.dmp

memory/4280-48-0x0000000000400000-0x000000000046B000-memory.dmp

memory/640-49-0x0000000000400000-0x000000000046B000-memory.dmp