Analysis Overview
SHA256
84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216
Threat Level: Known bad
The file 84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216 was found to be: Known bad.
Malicious Activity Summary
Healer
Modifies Windows Defender Real-time Protection settings
Detects Healer an antivirus disabler dropper
Executes dropped EXE
Windows security modification
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-03 02:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-03 02:47
Reported
2023-10-03 02:50
Platform
win10-20230915-en
Max time kernel
108s
Max time network
114s
Command Line
Signatures
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 |
| N/A | N/A | N/A | N/A |
Healer
Modifies Windows Defender Real-time Protection settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.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\IXP004.TMP\q3304731.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\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup1 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP001.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup2 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP002.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup3 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP003.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\wextract_cleanup4 = "rundll32.exe C:\\Windows\\system32\\advpack.dll,DelNodeRunDLL32 \"C:\\Users\\Admin\\AppData\\Local\\Temp\\IXP004.TMP\\\"" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 304 set thread context of 4528 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe
"C:\Users\Admin\AppData\Local\Temp\84c1bc638f1d0b9b5e8b0b943e6bc8e299a3904fd8d2d9567a3cf1e7eeddf216.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 304 -s 144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4528 -s 188
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 71.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 4.173.189.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
| MD5 | 8263fefe1621d74c53929234927f9a08 |
| SHA1 | 80978b00097960e5af4807a9b6bdbd97cc106e88 |
| SHA256 | 4a9d993706292a4e06ed6dde1770d5cf41c92eaaf333d043c5e63a1a29c2199d |
| SHA512 | 07f5c03e54d3a37d2841a3c46c47e0fb306fc2703e3faf76f8bf49c867133938d87aba7bbbd10574d76b617a8a0c8e395e701cb2c4e4270ee469035e0801b97f |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\z6705299.exe
| MD5 | 8263fefe1621d74c53929234927f9a08 |
| SHA1 | 80978b00097960e5af4807a9b6bdbd97cc106e88 |
| SHA256 | 4a9d993706292a4e06ed6dde1770d5cf41c92eaaf333d043c5e63a1a29c2199d |
| SHA512 | 07f5c03e54d3a37d2841a3c46c47e0fb306fc2703e3faf76f8bf49c867133938d87aba7bbbd10574d76b617a8a0c8e395e701cb2c4e4270ee469035e0801b97f |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
| MD5 | ede3d6d4cc7c9f625f878f7f8ef9de10 |
| SHA1 | b6cf3249e25e5180284f00318b73aee63d980d32 |
| SHA256 | d8e54133a3a9ebccc271b14b92068c9cb072c95bc51c522125aa7584f1d51eed |
| SHA512 | f2fae03d247f0effa4979e9f5b4f9f785e99dcefd4130ee9c829573f7e0059b8921e78952304950f6634bfc5112cbbdc4b7af6b8dd3e17096dcb6f04849a1e3b |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\z1942514.exe
| MD5 | ede3d6d4cc7c9f625f878f7f8ef9de10 |
| SHA1 | b6cf3249e25e5180284f00318b73aee63d980d32 |
| SHA256 | d8e54133a3a9ebccc271b14b92068c9cb072c95bc51c522125aa7584f1d51eed |
| SHA512 | f2fae03d247f0effa4979e9f5b4f9f785e99dcefd4130ee9c829573f7e0059b8921e78952304950f6634bfc5112cbbdc4b7af6b8dd3e17096dcb6f04849a1e3b |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
| MD5 | 679f5bd90650edf350de34fe1fd1a3f1 |
| SHA1 | d95839d8ff4311a7fa5519ed4d5faf7c79aed178 |
| SHA256 | 02a26f1cae81a0db0cf026f6f0347067077c507f058b4cde76cc91493bed64b5 |
| SHA512 | eec68ec06b7df178e8746c14d5461b855a2c9672923b2ce6288e28ccada90c030a23be77e816a3953e6e5f201ccb368ef57cdf34a5a80fa30076c6175f0639a5 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\z3887886.exe
| MD5 | 679f5bd90650edf350de34fe1fd1a3f1 |
| SHA1 | d95839d8ff4311a7fa5519ed4d5faf7c79aed178 |
| SHA256 | 02a26f1cae81a0db0cf026f6f0347067077c507f058b4cde76cc91493bed64b5 |
| SHA512 | eec68ec06b7df178e8746c14d5461b855a2c9672923b2ce6288e28ccada90c030a23be77e816a3953e6e5f201ccb368ef57cdf34a5a80fa30076c6175f0639a5 |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
| MD5 | 9b1be164a12eb284f60f3c39ef8bf34b |
| SHA1 | 15cb4f7f59bb63019bc89b75d86f8fc21fdfcb8c |
| SHA256 | 8ab9f52716bb7673a5bc36a81aad2ad254361133e45c2e1e0ecdf4af1a44ffab |
| SHA512 | 89d55c68144cca21d1ac9a03172854bf186a5ab84e1b2f34c7c4bab54e599d8cd510be2fcd3b6360739023bf74a2332c7c0896efa5470da325d98a0e819b4f27 |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\z6078848.exe
| MD5 | 9b1be164a12eb284f60f3c39ef8bf34b |
| SHA1 | 15cb4f7f59bb63019bc89b75d86f8fc21fdfcb8c |
| SHA256 | 8ab9f52716bb7673a5bc36a81aad2ad254361133e45c2e1e0ecdf4af1a44ffab |
| SHA512 | 89d55c68144cca21d1ac9a03172854bf186a5ab84e1b2f34c7c4bab54e599d8cd510be2fcd3b6360739023bf74a2332c7c0896efa5470da325d98a0e819b4f27 |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
| MD5 | 8bf4acae7a7670bdea02fd826e7eb30a |
| SHA1 | fa83e87c2d0efaf1ab4ab03c06b9bc065b950575 |
| SHA256 | 4d0ec15e03b4960fdac0348c906333ec45e36f6d1b8bcdedaa26ee8db8bb7810 |
| SHA512 | bfeaab8cc9c9f05259158ed32fb998da78ec7ba367d52563274cb67a3afc87d32fbabba72addcb5328d8eb74b5e3bf5578cd05ba6045b256db32c2880c8a57bc |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\q3304731.exe
| MD5 | 8bf4acae7a7670bdea02fd826e7eb30a |
| SHA1 | fa83e87c2d0efaf1ab4ab03c06b9bc065b950575 |
| SHA256 | 4d0ec15e03b4960fdac0348c906333ec45e36f6d1b8bcdedaa26ee8db8bb7810 |
| SHA512 | bfeaab8cc9c9f05259158ed32fb998da78ec7ba367d52563274cb67a3afc87d32fbabba72addcb5328d8eb74b5e3bf5578cd05ba6045b256db32c2880c8a57bc |
memory/2480-35-0x00000000004B0000-0x00000000004BA000-memory.dmp
memory/2480-36-0x00007FFB432D0000-0x00007FFB43CBC000-memory.dmp
memory/2480-38-0x00007FFB432D0000-0x00007FFB43CBC000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
| MD5 | 310e97a368f24bef14fc8a3fd3e07220 |
| SHA1 | 0dde0de270fe8d9a689ea903f5754b91bc79c2ed |
| SHA256 | 1f2eabc0b19e80f63942b7161a54bcae6bbc1ecf44aa2ca5427188b92a122807 |
| SHA512 | 34263241f5c7c65144c99eaaa2643f3f236768dad699541c74051ac7eb2699d6f184b7e4e05cfeeffc0d8903e2f7a0cae59437832ad9dc06eff5f8b39ffe4ccf |
C:\Users\Admin\AppData\Local\Temp\IXP004.TMP\r3104028.exe
| MD5 | 310e97a368f24bef14fc8a3fd3e07220 |
| SHA1 | 0dde0de270fe8d9a689ea903f5754b91bc79c2ed |
| SHA256 | 1f2eabc0b19e80f63942b7161a54bcae6bbc1ecf44aa2ca5427188b92a122807 |
| SHA512 | 34263241f5c7c65144c99eaaa2643f3f236768dad699541c74051ac7eb2699d6f184b7e4e05cfeeffc0d8903e2f7a0cae59437832ad9dc06eff5f8b39ffe4ccf |
memory/4528-42-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4528-45-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4528-46-0x0000000000400000-0x0000000000428000-memory.dmp
memory/4528-48-0x0000000000400000-0x0000000000428000-memory.dmp