Malware Analysis Report

2024-10-16 03:49

Sample ID 240508-dwdrdaga9z
Target d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76
SHA256 d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76
Tags
amadey healer dropper evasion persistence 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 Overview

score
10/10

SHA256

d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76

Threat Level: Known bad

The file d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76 was found to be: Known bad.

Malicious Activity Summary

amadey healer dropper evasion persistence trojan

Amadey

Modifies Windows Defender Real-time Protection settings

Healer

Detects Healer an antivirus disabler dropper

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Executes dropped EXE

Windows security modification

Checks computer location settings

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-08 03:21

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-08 03:21

Reported

2024-05-08 03:23

Platform

win10v2004-20240419-en

Max time kernel

134s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe"

Signatures

Amadey

trojan amadey

Detects Healer an antivirus disabler dropper

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

Healer

dropper healer

Modifies Windows Defender Real-time Protection settings

evasion trojan
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A

Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-3726321484-1950364574-433157660-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe N/A

Windows security modification

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Features\TamperProtection = "0" C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup0 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP000.TMP\\\"" C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 5116 wrote to memory of 3932 N/A C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe
PID 5116 wrote to memory of 3932 N/A C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe
PID 5116 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe
PID 5116 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe
PID 5116 wrote to memory of 1696 N/A C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe
PID 1696 wrote to memory of 3076 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
PID 1696 wrote to memory of 3076 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
PID 1696 wrote to memory of 3076 N/A C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe
PID 3076 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\schtasks.exe
PID 3076 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\schtasks.exe
PID 3076 wrote to memory of 5088 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\schtasks.exe
PID 3076 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\cmd.exe
PID 3076 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\cmd.exe
PID 3076 wrote to memory of 4820 N/A C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 3236 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 3236 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 3236 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 3544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 3544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 3544 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 1920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 1920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 1920 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 532 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cmd.exe
PID 4820 wrote to memory of 3948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 3948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 3948 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 4632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 4632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe
PID 4820 wrote to memory of 4632 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\cacls.exe

Processes

C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe

"C:\Users\Admin\AppData\Local\Temp\d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76.exe"

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe

"C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe"

C:\Windows\SysWOW64\schtasks.exe

"C:\Windows\System32\schtasks.exe" /Create /SC MINUTE /MO 1 /TN pdates.exe /TR "C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe" /F

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /k echo Y|CACLS "pdates.exe" /P "Admin:N"&&CACLS "pdates.exe" /P "Admin:R" /E&&echo Y|CACLS "..\925e7e99c5" /P "Admin:N"&&CACLS "..\925e7e99c5" /P "Admin:R" /E&&Exit

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /S /D /c" echo Y"

C:\Windows\SysWOW64\cacls.exe

CACLS "pdates.exe" /P "Admin:N"

C:\Windows\SysWOW64\cacls.exe

CACLS "pdates.exe" /P "Admin:R" /E

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /S /D /c" echo Y"

C:\Windows\SysWOW64\cacls.exe

CACLS "..\925e7e99c5" /P "Admin:N"

C:\Windows\SysWOW64\cacls.exe

CACLS "..\925e7e99c5" /P "Admin:R" /E

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe

C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
NL 23.62.61.194:443 www.bing.com tcp
US 8.8.8.8:53 194.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
FI 77.91.68.61:80 tcp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
FI 77.91.68.61:80 tcp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 51.15.97.104.in-addr.arpa udp
FI 77.91.68.61:80 tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\a9347400.exe

MD5 6fd0be63aa8a65b2493c4b3603bce8d0
SHA1 8c863c4fdbec6bba661c64d9029a1a33f69b5abc
SHA256 a072db61cc4dbd41317f758378435870693812c3f2d431ef69188d49bb01bb5c
SHA512 8efed7997bc25b4b3949b7dd588ba872b17dc8d01d43a60c8fcb32b9380a165765389ecae5389c1305be494044aa63ccb024566938820523dd0bd50bbcc1be1b

memory/3932-7-0x00000000007A0000-0x00000000007AA000-memory.dmp

memory/3932-8-0x00007FFD46603000-0x00007FFD46605000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\b2943762.exe

MD5 ccf08cf91b2bc30eeec6d1eda0c58a88
SHA1 9a4821759a719dfcd7bf822c7a6752c33acde2ed
SHA256 57d6c8800fee750f40cd4813e50bc2e6a6d382fc2741ca34c40c504f5243a5b8
SHA512 a26e0675d1a8b2d69664df3823e28663b5651345328ef5583c0b9bcb8d740064987d1032672c2b3fd892622cb58ca98d2718eeadbdde7acfd96987198d7fd47e