Analysis Overview
SHA256
954808bfbcf36867dbff4967925378e3c6497ab583d22c497520421aa7e612da
Threat Level: Known bad
The file 954808bfbcf36867dbff4967925378e3c6497ab583d22c497520421aa7e612da was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
RedLine
Modifies Windows Defender Real-time Protection settings
Healer
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Checks processor information in registry
Enumerates system info in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Uses Task Scheduler COM API
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 09:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 09:39
Reported
2023-09-10 09:42
Platform
win10v2004-20230831-en
Max time kernel
151s
Max time network
161s
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\x3062476.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5822521.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6375218.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_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\x5822521.exe | N/A |
| 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\954808bfbcf36867dbff4967925378e3c6497ab583d22c497520421aa7e612da.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\x3062476.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{BE11D652-B5F6-4A5A-AAF3-0AABD6857FF7}.catalogItem | C:\Windows\System32\svchost.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5044 set thread context of 1416 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.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\g4382181.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\954808bfbcf36867dbff4967925378e3c6497ab583d22c497520421aa7e612da.exe
"C:\Users\Admin\AppData\Local\Temp\954808bfbcf36867dbff4967925378e3c6497ab583d22c497520421aa7e612da.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3062476.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3062476.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5822521.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5822521.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.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 420 -p 5044 -ip 5044
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 5044 -s 140
C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6375218.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6375218.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 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.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 | 58.99.105.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.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 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.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 | 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 |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.121.18.2.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 233.141.123.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3062476.exe
| MD5 | 7287d750fe4657d9a102df96dd6cf66a |
| SHA1 | eeec4171e10a25fdba24cdd0953bff22e8dddf87 |
| SHA256 | dda7f3dc98fc41b2db25cb2712cd476b225ac0b68fde86be7ce300c16dbaa1d1 |
| SHA512 | 3f5384a2ee02da0ed3e8740ee33ddd2e0c45c0da36a46f5da14e8d38a1f1b3a12bb3a537be38d310c63e975b55f00370d4ad043ebe13f4b6d98b19fd38e81366 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3062476.exe
| MD5 | 7287d750fe4657d9a102df96dd6cf66a |
| SHA1 | eeec4171e10a25fdba24cdd0953bff22e8dddf87 |
| SHA256 | dda7f3dc98fc41b2db25cb2712cd476b225ac0b68fde86be7ce300c16dbaa1d1 |
| SHA512 | 3f5384a2ee02da0ed3e8740ee33ddd2e0c45c0da36a46f5da14e8d38a1f1b3a12bb3a537be38d310c63e975b55f00370d4ad043ebe13f4b6d98b19fd38e81366 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5822521.exe
| MD5 | f98181810be21e6aa36b70b943fd3cce |
| SHA1 | ccdbc5afb0c138675d547e4882adf1f93e5dea55 |
| SHA256 | 61bf8f097914ada9a3bfbd6d45cad18e3eba6a34934f35f019f29c623089b9c8 |
| SHA512 | ee5e1eada4a51aed2e34da33f8b1aa759112972e07760a4398e3517720b9da58f281ca3004f8903d3b086936a4a9013885a7966fe362800d64a0463598c45b2c |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x5822521.exe
| MD5 | f98181810be21e6aa36b70b943fd3cce |
| SHA1 | ccdbc5afb0c138675d547e4882adf1f93e5dea55 |
| SHA256 | 61bf8f097914ada9a3bfbd6d45cad18e3eba6a34934f35f019f29c623089b9c8 |
| SHA512 | ee5e1eada4a51aed2e34da33f8b1aa759112972e07760a4398e3517720b9da58f281ca3004f8903d3b086936a4a9013885a7966fe362800d64a0463598c45b2c |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.exe
| MD5 | f77e90a9eb0d56b2375619862282722c |
| SHA1 | 3579aee84a868e6a881700e54ae72455ab643c10 |
| SHA256 | 5e0e0159f6d699fc98f8e293b84e36a4841b0ae51f78cb46989c3f93de526a22 |
| SHA512 | 651387b5de4f04dcab93eb0d2b87b6024134ac972e48fa91005ee8e354502b1885475299e1a13171cbf0c3eb033aff9a0ebf4babe1c3304642d133f20cb2a8be |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4382181.exe
| MD5 | f77e90a9eb0d56b2375619862282722c |
| SHA1 | 3579aee84a868e6a881700e54ae72455ab643c10 |
| SHA256 | 5e0e0159f6d699fc98f8e293b84e36a4841b0ae51f78cb46989c3f93de526a22 |
| SHA512 | 651387b5de4f04dcab93eb0d2b87b6024134ac972e48fa91005ee8e354502b1885475299e1a13171cbf0c3eb033aff9a0ebf4babe1c3304642d133f20cb2a8be |
memory/1416-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1416-22-0x0000000074030000-0x00000000747E0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6375218.exe
| MD5 | d4e36dff3b0624936979f4ce5f93bc4a |
| SHA1 | 1b6f23c9177dcf1b5c19b3107d7b9e862b2461e3 |
| SHA256 | 2004450a44954b2a9e147333161253e37715b48f0a0419a31dc57d80f3db99ba |
| SHA512 | 17569231dd45816ad084f81ddd263525953ede657c039e33f9f75b73a8d130446e959f0e8588c7d6f447d83b1ade59cdfa9c8a1514d51e324e154959f2196ba1 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i6375218.exe
| MD5 | d4e36dff3b0624936979f4ce5f93bc4a |
| SHA1 | 1b6f23c9177dcf1b5c19b3107d7b9e862b2461e3 |
| SHA256 | 2004450a44954b2a9e147333161253e37715b48f0a0419a31dc57d80f3db99ba |
| SHA512 | 17569231dd45816ad084f81ddd263525953ede657c039e33f9f75b73a8d130446e959f0e8588c7d6f447d83b1ade59cdfa9c8a1514d51e324e154959f2196ba1 |
memory/5016-28-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/5016-27-0x0000000000B00000-0x0000000000B30000-memory.dmp
memory/5016-29-0x0000000005B40000-0x0000000006158000-memory.dmp
memory/5016-30-0x0000000005630000-0x000000000573A000-memory.dmp
memory/5016-31-0x0000000005380000-0x0000000005392000-memory.dmp
memory/5016-32-0x0000000005410000-0x0000000005420000-memory.dmp
memory/5016-33-0x0000000005520000-0x000000000555C000-memory.dmp
memory/1416-34-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/1416-42-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/5016-43-0x0000000074030000-0x00000000747E0000-memory.dmp
memory/5016-44-0x0000000005410000-0x0000000005420000-memory.dmp