Analysis Overview
SHA256
eb7476eaa3e071409147dc6bbd7ddff8a918e11a6adeb404f07ff3423b26ad41
Threat Level: Known bad
The file eb7476eaa3e071409147dc6bbd7ddff8a918e11a6adeb404f07ff3423b26ad41 was found to be: Known bad.
Malicious Activity Summary
Modifies Windows Defender Real-time Protection settings
Healer
Detects Healer an antivirus disabler dropper
RedLine
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Drops file in System32 directory
Program crash
Unsigned PE
Uses Task Scheduler COM API
Suspicious behavior: EnumeratesProcesses
Checks processor information in registry
Enumerates system info in registry
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 14:58
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 14:58
Reported
2023-09-10 15:01
Platform
win10v2004-20230831-en
Max time kernel
148s
Max time network
155s
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 |
| 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 |
| 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 |
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0086260.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9324210.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6974532.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\eb7476eaa3e071409147dc6bbd7ddff8a918e11a6adeb404f07ff3423b26ad41.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\x0086260.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\x9324210.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8E0A7AB7-F0C6-4D26-9E59-89959D8E052F}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4420 set thread context of 1396 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.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\g0010735.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\eb7476eaa3e071409147dc6bbd7ddff8a918e11a6adeb404f07ff3423b26ad41.exe
"C:\Users\Admin\AppData\Local\Temp\eb7476eaa3e071409147dc6bbd7ddff8a918e11a6adeb404f07ff3423b26ad41.exe"
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0086260.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0086260.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9324210.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9324210.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.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 476 -p 4420 -ip 4420
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4420 -s 224
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6974532.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6974532.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 75.159.190.20.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 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.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 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.179.238.8.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 23.236.111.52.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 | 200.197.79.204.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 208.143.182.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0086260.exe
| MD5 | 405395fd24d1b17f17798d34964d4212 |
| SHA1 | 5931439597362e3a2b2194b41d56c0bfc0c17afa |
| SHA256 | 1535ac51ae19964380210605155ac6d2693547f405414d8fbad6913ebd2f21b0 |
| SHA512 | b5b5078d70ec362c13acee95e0fcfd2467f87015e041b0d768118d4b808b52a43156b510e67e7326e34a77afbbf10e8098cb86e634b8f26e028d0ad28e9d6bbc |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x0086260.exe
| MD5 | 405395fd24d1b17f17798d34964d4212 |
| SHA1 | 5931439597362e3a2b2194b41d56c0bfc0c17afa |
| SHA256 | 1535ac51ae19964380210605155ac6d2693547f405414d8fbad6913ebd2f21b0 |
| SHA512 | b5b5078d70ec362c13acee95e0fcfd2467f87015e041b0d768118d4b808b52a43156b510e67e7326e34a77afbbf10e8098cb86e634b8f26e028d0ad28e9d6bbc |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9324210.exe
| MD5 | 6d6c92c0ebfd04fbb79280385b00d437 |
| SHA1 | 7b57795b3395b97dc08ab374690df92d5785ff5c |
| SHA256 | 42792398042a0d7c7abf96c756a70ee789d9504113c822c1e38d53322325d306 |
| SHA512 | 10ab693cca234180767f2e422b0dc2d01a6a013e0e6c9a54a2a4f4004fcb1a1ada0a9f1bcb96ed7177f7a6d7679cbf39a8ca127a75c4e24d7385a965f3888a45 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x9324210.exe
| MD5 | 6d6c92c0ebfd04fbb79280385b00d437 |
| SHA1 | 7b57795b3395b97dc08ab374690df92d5785ff5c |
| SHA256 | 42792398042a0d7c7abf96c756a70ee789d9504113c822c1e38d53322325d306 |
| SHA512 | 10ab693cca234180767f2e422b0dc2d01a6a013e0e6c9a54a2a4f4004fcb1a1ada0a9f1bcb96ed7177f7a6d7679cbf39a8ca127a75c4e24d7385a965f3888a45 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.exe
| MD5 | eedcc8d945458e77c1b9e1980cd3391c |
| SHA1 | aca9270ef0ad3d0ba2db9ec9ba32de8de7b0d2bc |
| SHA256 | 319159ce54a19cb1ff7a3acb7697062cae7a87a1b2e54c3f2e93c877845ce4ed |
| SHA512 | f7568ac5e882a51fe4cfadf031c236ed951b196fd75bfd5d4efdf60e3e0b7686e0382e83a8d90cd4f1ac46966e0c9a0f4db957acd31b0d3214eab9cda68ad614 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g0010735.exe
| MD5 | eedcc8d945458e77c1b9e1980cd3391c |
| SHA1 | aca9270ef0ad3d0ba2db9ec9ba32de8de7b0d2bc |
| SHA256 | 319159ce54a19cb1ff7a3acb7697062cae7a87a1b2e54c3f2e93c877845ce4ed |
| SHA512 | f7568ac5e882a51fe4cfadf031c236ed951b196fd75bfd5d4efdf60e3e0b7686e0382e83a8d90cd4f1ac46966e0c9a0f4db957acd31b0d3214eab9cda68ad614 |
memory/1396-24-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1396-29-0x0000000074860000-0x0000000075010000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6974532.exe
| MD5 | 592aabf51cdea79d6adb06966df66d47 |
| SHA1 | 3ec168852ba0cf7dcfb9258fc8ff888f5ab61d95 |
| SHA256 | 7fb68488097f19d4c59a53d054ee6f374a1078011b3a49bde3ca7aa09a6f2a06 |
| SHA512 | b922a0c63fa9eb8d8a298d573bbca8507c3b000438b5501c4d5a1ed9f35456157b89d4eaf6803066072a77206a28a5863646f4a103189fd8401a77db198ad533 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6974532.exe
| MD5 | 592aabf51cdea79d6adb06966df66d47 |
| SHA1 | 3ec168852ba0cf7dcfb9258fc8ff888f5ab61d95 |
| SHA256 | 7fb68488097f19d4c59a53d054ee6f374a1078011b3a49bde3ca7aa09a6f2a06 |
| SHA512 | b922a0c63fa9eb8d8a298d573bbca8507c3b000438b5501c4d5a1ed9f35456157b89d4eaf6803066072a77206a28a5863646f4a103189fd8401a77db198ad533 |
memory/4792-33-0x0000000000910000-0x0000000000940000-memory.dmp
memory/4792-34-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4792-35-0x0000000005950000-0x0000000005F68000-memory.dmp
memory/4792-36-0x0000000005440000-0x000000000554A000-memory.dmp
memory/4792-37-0x0000000005320000-0x0000000005330000-memory.dmp
memory/4792-38-0x0000000005290000-0x00000000052A2000-memory.dmp
memory/4792-39-0x0000000005330000-0x000000000536C000-memory.dmp
memory/1396-40-0x0000000074860000-0x0000000075010000-memory.dmp
memory/1396-42-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4792-43-0x0000000074860000-0x0000000075010000-memory.dmp
memory/4792-44-0x0000000005320000-0x0000000005330000-memory.dmp