Analysis Overview
SHA256
594d73971666fa3abbfd0bf25b0ce18dcf95f1dee60ca7bf31d577b0a9da55cd
Threat Level: Known bad
The file 594d73971666fa3abbfd0bf25b0ce18dcf95f1dee60ca7bf31d577b0a9da55cd was found to be: Known bad.
Malicious Activity Summary
RedLine
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in System32 directory
Program crash
Unsigned PE
Enumerates system info in registry
Uses Task Scheduler COM API
Checks processor information in registry
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 13:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 13:43
Reported
2023-09-10 13:45
Platform
win10v2004-20230831-en
Max time kernel
148s
Max time network
151s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
| Description | Indicator | Process | Target |
| 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\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3565529.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1509144.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i4189006.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\594d73971666fa3abbfd0bf25b0ce18dcf95f1dee60ca7bf31d577b0a9da55cd.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\x3565529.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\x1509144.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{287BE6AC-DCF4-48A1-894F-B4DB4A43E832}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2788 set thread context of 1280 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.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\IXP002.TMP\g1683869.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Windows\System32\svchost.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\Hardware\Description\System\BIOS | C:\Windows\System32\svchost.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU | C:\Windows\System32\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe | N/A |
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Processes
C:\Users\Admin\AppData\Local\Temp\594d73971666fa3abbfd0bf25b0ce18dcf95f1dee60ca7bf31d577b0a9da55cd.exe
"C:\Users\Admin\AppData\Local\Temp\594d73971666fa3abbfd0bf25b0ce18dcf95f1dee60ca7bf31d577b0a9da55cd.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3565529.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3565529.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1509144.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1509144.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.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 -pss -s 440 -p 2788 -ip 2788
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2788 -s 556
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i4189006.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i4189006.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 1.208.79.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 45.19.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.81.21.72.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 254.177.238.8.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| 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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 89.65.42.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3565529.exe
| MD5 | 5615e1afeee59a1f3b9eff12900d5d11 |
| SHA1 | 93d4bfa4a7af30fea5f3d055ec452f7737227331 |
| SHA256 | 6db5b3d3aabe695f75056e60876fd4f7da9ad85d9eb55ed21d9de732bdda0cee |
| SHA512 | ca5eb90aba32b4cea2873adc61e712fc800cf4153ab7fe995ddce16e95c037f917423ea7ccf043705c7c1c20ce0c399fc0cf0c822ca0bf09c0163cf86431fe0e |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3565529.exe
| MD5 | 5615e1afeee59a1f3b9eff12900d5d11 |
| SHA1 | 93d4bfa4a7af30fea5f3d055ec452f7737227331 |
| SHA256 | 6db5b3d3aabe695f75056e60876fd4f7da9ad85d9eb55ed21d9de732bdda0cee |
| SHA512 | ca5eb90aba32b4cea2873adc61e712fc800cf4153ab7fe995ddce16e95c037f917423ea7ccf043705c7c1c20ce0c399fc0cf0c822ca0bf09c0163cf86431fe0e |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1509144.exe
| MD5 | fcb90f6eeb24a71916abfc593eee605e |
| SHA1 | 24901896ad89dc2cdbd12379c1d7910f8ffa43c3 |
| SHA256 | a2cf1d189cd791a0962c8cad06f477af04424bfd7b6b6dae8a27e449e120e2dc |
| SHA512 | 431af285d6c178a7ceadf7301e41e9a42dc52a2e22d18cd5fe30641776f2ce7e443c9fb8b600d85161e8c92286f324950ce3fb7e89c26d8694bccdef0dcd3089 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x1509144.exe
| MD5 | fcb90f6eeb24a71916abfc593eee605e |
| SHA1 | 24901896ad89dc2cdbd12379c1d7910f8ffa43c3 |
| SHA256 | a2cf1d189cd791a0962c8cad06f477af04424bfd7b6b6dae8a27e449e120e2dc |
| SHA512 | 431af285d6c178a7ceadf7301e41e9a42dc52a2e22d18cd5fe30641776f2ce7e443c9fb8b600d85161e8c92286f324950ce3fb7e89c26d8694bccdef0dcd3089 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.exe
| MD5 | e8468427b4576115799128b45b1b9bcd |
| SHA1 | 8b379180df35d99735d4d6136ea4de7da67c7ece |
| SHA256 | a90dc3d5acbc47e7260c661c21b522378757dd4da851634634e8d1f180d26993 |
| SHA512 | c3b84711f77ef0015d14e1c7e1c166dd5c7335f9dad555dd1abe92fa0347c2f39bb88b0326be926f49ce460850d6a7a770523b544d773eac91f63a5ee73e6961 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g1683869.exe
| MD5 | e8468427b4576115799128b45b1b9bcd |
| SHA1 | 8b379180df35d99735d4d6136ea4de7da67c7ece |
| SHA256 | a90dc3d5acbc47e7260c661c21b522378757dd4da851634634e8d1f180d26993 |
| SHA512 | c3b84711f77ef0015d14e1c7e1c166dd5c7335f9dad555dd1abe92fa0347c2f39bb88b0326be926f49ce460850d6a7a770523b544d773eac91f63a5ee73e6961 |
memory/1280-22-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1280-29-0x0000000074760000-0x0000000074F10000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i4189006.exe
| MD5 | 2001811eafe63778c00fabb0503acfa3 |
| SHA1 | acb94ab27b3e0d8c242ce838666939e393df02a2 |
| SHA256 | 535d2810d18fcdee679363b1538258ee45bc96480133c43f3f3a2cea3440939c |
| SHA512 | 25a3ead24951825348a6ea7196282ae6a2edddadc8e2a46db5a40d66d63ea47e573dd22bb000b0a8543bd5a5cd386cbef0e2664062bd3afe91ca6f4983568603 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i4189006.exe
| MD5 | 2001811eafe63778c00fabb0503acfa3 |
| SHA1 | acb94ab27b3e0d8c242ce838666939e393df02a2 |
| SHA256 | 535d2810d18fcdee679363b1538258ee45bc96480133c43f3f3a2cea3440939c |
| SHA512 | 25a3ead24951825348a6ea7196282ae6a2edddadc8e2a46db5a40d66d63ea47e573dd22bb000b0a8543bd5a5cd386cbef0e2664062bd3afe91ca6f4983568603 |
memory/1852-33-0x00000000001F0000-0x0000000000220000-memory.dmp
memory/1852-34-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1852-35-0x0000000005110000-0x0000000005728000-memory.dmp
memory/1852-36-0x0000000004C40000-0x0000000004D4A000-memory.dmp
memory/1852-37-0x00000000049E0000-0x00000000049F0000-memory.dmp
memory/1852-38-0x0000000004B80000-0x0000000004B92000-memory.dmp
memory/1852-39-0x0000000004BE0000-0x0000000004C1C000-memory.dmp
memory/1280-40-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1280-42-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1852-43-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/1852-44-0x00000000049E0000-0x00000000049F0000-memory.dmp