Analysis Overview
SHA256
d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76
Threat Level: Known bad
The file d46522fabe7871e6ca2e073286cc8bf7db30132ea994c84f938dc670caa47a76 was found to be: Known bad.
Malicious Activity Summary
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
Enterprise Matrix V15
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
Signatures
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
Modifies Windows Defender Real-time Protection settings
| 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 |
Executes dropped EXE
| 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\b2943762.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\925e7e99c5\pdates.exe | N/A |
Windows security modification
| 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
| 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)
| 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
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 |