Analysis Overview
SHA256
fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690
Threat Level: Known bad
The file fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690 was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
Healer
Modifies Windows Defender Real-time Protection settings
RedLine
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 08:59
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 08:59
Reported
2023-09-10 09:02
Platform
win10v2004-20230831-en
Max time kernel
140s
Max time network
152s
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\x9896359.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.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_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\x9896359.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\x0344686.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\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4536 set thread context of 1248 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.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\g9776813.exe |
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
Processes
C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe
"C:\Users\Admin\AppData\Local\Temp\fbca04734b90a5602dd684cd8208e4fe6c03d49d6ec3dcadc4632c7775320690.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.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 456 -p 4536 -ip 4536
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4536 -s 572
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.3.197.209.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 105.145.253.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.136.104.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| 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 | 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 | 48.229.111.52.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 | |
| US | 8.8.8.8:53 | 201.201.50.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
| MD5 | e9006ea98a3cbbf003fa5f9cd5c70ea7 |
| SHA1 | a528ee67e61f0712b8a8101c21efd266fd7b2943 |
| SHA256 | 60c0f38c267541092d2d3c1a2931d9aeb868351a24337da0512fadef48f9e03d |
| SHA512 | 7b87cc6c58d0180b56f45edbecad86c635f92f1b5cd38308316b335cb263f7b888592fdc69d7f490aec3e84589ddfdc019ebd7fe10a459c3b6a33d2afa293226 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x9896359.exe
| MD5 | e9006ea98a3cbbf003fa5f9cd5c70ea7 |
| SHA1 | a528ee67e61f0712b8a8101c21efd266fd7b2943 |
| SHA256 | 60c0f38c267541092d2d3c1a2931d9aeb868351a24337da0512fadef48f9e03d |
| SHA512 | 7b87cc6c58d0180b56f45edbecad86c635f92f1b5cd38308316b335cb263f7b888592fdc69d7f490aec3e84589ddfdc019ebd7fe10a459c3b6a33d2afa293226 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
| MD5 | 5b5d2abfa17bec849265edaffee35beb |
| SHA1 | f37cb880f57878c3c2fc50f825bc000ef95f7579 |
| SHA256 | ce826755b427587ddc470e1194226128bce98c2e5a078e0d71e1c060d6c0d9e0 |
| SHA512 | 3b5293db427bc1d74b12a0fe4fb1919710790fd47bf24ef1f3ab2930a4c2991ee76efacb46fec1d424c7d65e7808b55fe83c3fdd2dd7a0f684294929c93618fb |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x0344686.exe
| MD5 | 5b5d2abfa17bec849265edaffee35beb |
| SHA1 | f37cb880f57878c3c2fc50f825bc000ef95f7579 |
| SHA256 | ce826755b427587ddc470e1194226128bce98c2e5a078e0d71e1c060d6c0d9e0 |
| SHA512 | 3b5293db427bc1d74b12a0fe4fb1919710790fd47bf24ef1f3ab2930a4c2991ee76efacb46fec1d424c7d65e7808b55fe83c3fdd2dd7a0f684294929c93618fb |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
| MD5 | cbaec6c342a6eff3140932f771c37a98 |
| SHA1 | 2f638207194205801213846d81a8142719e0c6b6 |
| SHA256 | 1ec65237dd8f36c3e59767664a860d229e8427bf8b8f78ad1a652d077fa5fa37 |
| SHA512 | dbca8d1a911f258576058921ded12d0858c6737fa4f6781bb26077d90e9bad4bea5ad281559b996e9f8d617c3cd79ac2ff15f8545fdacf4463308079a948c252 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g9776813.exe
| MD5 | cbaec6c342a6eff3140932f771c37a98 |
| SHA1 | 2f638207194205801213846d81a8142719e0c6b6 |
| SHA256 | 1ec65237dd8f36c3e59767664a860d229e8427bf8b8f78ad1a652d077fa5fa37 |
| SHA512 | dbca8d1a911f258576058921ded12d0858c6737fa4f6781bb26077d90e9bad4bea5ad281559b996e9f8d617c3cd79ac2ff15f8545fdacf4463308079a948c252 |
memory/1248-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1248-22-0x00000000746E0000-0x0000000074E90000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
| MD5 | 1e8d8464e2b0bb17c2b29531f8c95e16 |
| SHA1 | 916dcf404ff26bfe06fab8cf7290627395dad60b |
| SHA256 | 7101d8cc481da3eb079006bd2eae3e6442bf8710d1d80fa6b678bcfafe910059 |
| SHA512 | a71e93e4ce0200d435fb6f7f5aafc475ceedbc50a0aaec6acfd067701ffe91c38a0d5de9b1cf191f26b01a4232674d67ecfab18163489522d002fa965f5ea2f0 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2803162.exe
| MD5 | 1e8d8464e2b0bb17c2b29531f8c95e16 |
| SHA1 | 916dcf404ff26bfe06fab8cf7290627395dad60b |
| SHA256 | 7101d8cc481da3eb079006bd2eae3e6442bf8710d1d80fa6b678bcfafe910059 |
| SHA512 | a71e93e4ce0200d435fb6f7f5aafc475ceedbc50a0aaec6acfd067701ffe91c38a0d5de9b1cf191f26b01a4232674d67ecfab18163489522d002fa965f5ea2f0 |
memory/2060-26-0x0000000000E90000-0x0000000000EC0000-memory.dmp
memory/2060-27-0x00000000746E0000-0x0000000074E90000-memory.dmp
memory/2060-28-0x0000000005F20000-0x0000000006538000-memory.dmp
memory/2060-29-0x0000000005A10000-0x0000000005B1A000-memory.dmp
memory/2060-31-0x00000000057F0000-0x0000000005800000-memory.dmp
memory/2060-30-0x0000000005720000-0x0000000005732000-memory.dmp
memory/2060-32-0x0000000005780000-0x00000000057BC000-memory.dmp
memory/1248-33-0x00000000746E0000-0x0000000074E90000-memory.dmp
memory/1248-35-0x00000000746E0000-0x0000000074E90000-memory.dmp
memory/2060-36-0x00000000746E0000-0x0000000074E90000-memory.dmp
memory/2060-37-0x00000000057F0000-0x0000000005800000-memory.dmp