Analysis Overview
SHA256
a304990597cd3487d8063db0c5b1aaeb15c4eca87597d6ad487c175815d05d43
Threat Level: Known bad
The file a304990597cd3487d8063db0c5b1aaeb15c4eca87597d6ad487c175815d05d43 was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
Executes dropped EXE
Windows security modification
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-10-03 11:37
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-10-03 11:37
Reported
2023-10-03 11:40
Platform
win10-20230915-en
Max time kernel
127s
Max time network
135s
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\IXP003.TMP\1QQ29wl4.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GU9CH02.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KV7JV92.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\De7mV25.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.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\IXP003.TMP\1QQ29wl4.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\a304990597cd3487d8063db0c5b1aaeb15c4eca87597d6ad487c175815d05d43.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\GU9CH02.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\KV7JV92.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\De7mV25.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4872 set thread context of 5024 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.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\IXP003.TMP\2oS2746.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\IXP003.TMP\1QQ29wl4.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a304990597cd3487d8063db0c5b1aaeb15c4eca87597d6ad487c175815d05d43.exe
"C:\Users\Admin\AppData\Local\Temp\a304990597cd3487d8063db0c5b1aaeb15c4eca87597d6ad487c175815d05d43.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GU9CH02.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GU9CH02.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KV7JV92.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KV7JV92.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\De7mV25.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\De7mV25.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.exe
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.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 4872 -s 144
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 192
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 177.25.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 27.178.89.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GU9CH02.exe
| MD5 | 4f0b4ba453fe8cbc4783c9874d79bc6e |
| SHA1 | f642397f98a0f32afd1b7ef3da93c7e7ce76a6cd |
| SHA256 | 6a851e3ae7ba5fc42885cf5f972c74b8c0183aac81c0da0558db4c04173821fe |
| SHA512 | 2ac44e4a7ea041ea0127e9b99308a114aa9ac0112f21c64e2461e9d648cc0dbb04090a842b06ad4fc67f15d6e08b7a22d17adc1d3056f1edfdd7c5faea37c210 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\GU9CH02.exe
| MD5 | 4f0b4ba453fe8cbc4783c9874d79bc6e |
| SHA1 | f642397f98a0f32afd1b7ef3da93c7e7ce76a6cd |
| SHA256 | 6a851e3ae7ba5fc42885cf5f972c74b8c0183aac81c0da0558db4c04173821fe |
| SHA512 | 2ac44e4a7ea041ea0127e9b99308a114aa9ac0112f21c64e2461e9d648cc0dbb04090a842b06ad4fc67f15d6e08b7a22d17adc1d3056f1edfdd7c5faea37c210 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KV7JV92.exe
| MD5 | 190605d9aff0c8f997553add1f73b7f6 |
| SHA1 | a5add285aa928ae1d5201d8f2b5b5bdb2cc32d31 |
| SHA256 | 9a7b985322e6c953d1c941857db7e377143a1ecde7f101e13d2960bbd835ae75 |
| SHA512 | 29cd4239f635bf0074c877550781a83667822efe5a433c29eeceb4e1b408eb378feb83bafd4b03f5721514577d49f0076ebec6056dae38064e2b41dca15c06c7 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\KV7JV92.exe
| MD5 | 190605d9aff0c8f997553add1f73b7f6 |
| SHA1 | a5add285aa928ae1d5201d8f2b5b5bdb2cc32d31 |
| SHA256 | 9a7b985322e6c953d1c941857db7e377143a1ecde7f101e13d2960bbd835ae75 |
| SHA512 | 29cd4239f635bf0074c877550781a83667822efe5a433c29eeceb4e1b408eb378feb83bafd4b03f5721514577d49f0076ebec6056dae38064e2b41dca15c06c7 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\De7mV25.exe
| MD5 | e1f94ea11b4051f09af96caec6603fe9 |
| SHA1 | 07f7b53d308f10c964c1fe0a505d0f2bcd94b920 |
| SHA256 | 6bc479573eba31861da2b23f961fcb5b7ab7cbf44e9fb55661133894c581d344 |
| SHA512 | c70695762550f7dc7fffca68fe95c427dd5602ed9e0227a275932d0aec1f24007b92844bd45b0af75cc9fe32ccac137177b612d4210b26e50a86eea57282428e |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\De7mV25.exe
| MD5 | e1f94ea11b4051f09af96caec6603fe9 |
| SHA1 | 07f7b53d308f10c964c1fe0a505d0f2bcd94b920 |
| SHA256 | 6bc479573eba31861da2b23f961fcb5b7ab7cbf44e9fb55661133894c581d344 |
| SHA512 | c70695762550f7dc7fffca68fe95c427dd5602ed9e0227a275932d0aec1f24007b92844bd45b0af75cc9fe32ccac137177b612d4210b26e50a86eea57282428e |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe
| MD5 | 523b4afa2fe40bd2aad22dd509a91946 |
| SHA1 | b0eb9975e4ff08253e1294b8b546fea6bfaf6247 |
| SHA256 | bfbc2077b6d96f82c015b3e0df9c86e333277c8a217e13ed946f3a6d35b27e25 |
| SHA512 | 490a042154426a8c12f99d313e980fe203f48182b964af6effa0d2012e66fc252608deb1e0310d5043a2a3d8c278ec04c6b8f56d3e66e1317ab037fc8d64b1a5 |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\1QQ29wl4.exe
| MD5 | 523b4afa2fe40bd2aad22dd509a91946 |
| SHA1 | b0eb9975e4ff08253e1294b8b546fea6bfaf6247 |
| SHA256 | bfbc2077b6d96f82c015b3e0df9c86e333277c8a217e13ed946f3a6d35b27e25 |
| SHA512 | 490a042154426a8c12f99d313e980fe203f48182b964af6effa0d2012e66fc252608deb1e0310d5043a2a3d8c278ec04c6b8f56d3e66e1317ab037fc8d64b1a5 |
memory/356-28-0x0000000000700000-0x000000000070A000-memory.dmp
memory/356-29-0x00007FFCB1290000-0x00007FFCB1C7C000-memory.dmp
memory/356-31-0x00007FFCB1290000-0x00007FFCB1C7C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.exe
| MD5 | ac3d748bd53abd00abcf57a2c3e1f2ad |
| SHA1 | 3f082497aad436fac809fe19b98319c1bcbba4c6 |
| SHA256 | df9e30d9ab2d4f2a046e9807b7f7fca2181b8ef0319a9c4efc0124373e81d601 |
| SHA512 | a1314bede955a55a4049540ad08c7f5e8b5f5b6b6e8b56a1934dff7432eafd3d8999d878f13face0ebac1c0b48f6b288adbb8c8a28fe5b5679eb9ac8c8151bdd |
C:\Users\Admin\AppData\Local\Temp\IXP003.TMP\2oS2746.exe
| MD5 | ac3d748bd53abd00abcf57a2c3e1f2ad |
| SHA1 | 3f082497aad436fac809fe19b98319c1bcbba4c6 |
| SHA256 | df9e30d9ab2d4f2a046e9807b7f7fca2181b8ef0319a9c4efc0124373e81d601 |
| SHA512 | a1314bede955a55a4049540ad08c7f5e8b5f5b6b6e8b56a1934dff7432eafd3d8999d878f13face0ebac1c0b48f6b288adbb8c8a28fe5b5679eb9ac8c8151bdd |
memory/5024-35-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5024-38-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5024-39-0x0000000000400000-0x0000000000428000-memory.dmp
memory/5024-41-0x0000000000400000-0x0000000000428000-memory.dmp