Analysis Overview
SHA256
8267fc2d8fc9f777dd58baf77636ac30180420438ddefb879eee5887b6657194
Threat Level: Known bad
The file 8267fc2d8fc9f777dd58baf77636ac30180420438ddefb879eee5887b6657194 was found to be: Known bad.
Malicious Activity Summary
Healer
Modifies Windows Defender Real-time Protection settings
RedLine
Detects Healer an antivirus disabler dropper
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Program crash
Unsigned PE
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 08:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 08:30
Reported
2023-09-10 08:32
Platform
win10v2004-20230831-en
Max time kernel
140s
Max time network
150s
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\x2428483.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2433605.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8594396.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\8267fc2d8fc9f777dd58baf77636ac30180420438ddefb879eee5887b6657194.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\x2428483.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\x2433605.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3588 set thread context of 400 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.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\g7073662.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\8267fc2d8fc9f777dd58baf77636ac30180420438ddefb879eee5887b6657194.exe
"C:\Users\Admin\AppData\Local\Temp\8267fc2d8fc9f777dd58baf77636ac30180420438ddefb879eee5887b6657194.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2428483.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2428483.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2433605.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2433605.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.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 3588 -ip 3588
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3588 -s 580
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8594396.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8594396.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 | 126.153.27.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.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 | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 254.1.248.8.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 11.227.111.52.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 | 67.112.168.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2428483.exe
| MD5 | 98423f81fe49fd682414f331a071d08e |
| SHA1 | c3a57a094d8df89474a7e42dec47ea6844f5cfc0 |
| SHA256 | 473abe204b9361b6d34d332cf81f75657fd15dd46cd80de74f5cc5aa450066f3 |
| SHA512 | da03a5e4e93104031cb2faaf3502bb9f6253439f1a26c9c0655c1a3d21a73b278c5c6f0705fa77a2788aa6fb4e3bc7ea4012c8c49ca3492ff08a251fa8345567 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x2428483.exe
| MD5 | 98423f81fe49fd682414f331a071d08e |
| SHA1 | c3a57a094d8df89474a7e42dec47ea6844f5cfc0 |
| SHA256 | 473abe204b9361b6d34d332cf81f75657fd15dd46cd80de74f5cc5aa450066f3 |
| SHA512 | da03a5e4e93104031cb2faaf3502bb9f6253439f1a26c9c0655c1a3d21a73b278c5c6f0705fa77a2788aa6fb4e3bc7ea4012c8c49ca3492ff08a251fa8345567 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2433605.exe
| MD5 | c72155180d870d7eba9f686a76827d5c |
| SHA1 | 2502f638bf893eb348a2e346fda5ff4564e1a820 |
| SHA256 | 8ce0abeee84a303776f759317b334e73684ee3942e943d7b4b1080b8faa03c89 |
| SHA512 | d40148ea7296e440a176fe9612d0c7cbf8585d142331d71df40d4a773008dc0c5a48a3ab8c445e81da321652c2235d8e55f5f49990169963aaa925cd8f9d6468 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x2433605.exe
| MD5 | c72155180d870d7eba9f686a76827d5c |
| SHA1 | 2502f638bf893eb348a2e346fda5ff4564e1a820 |
| SHA256 | 8ce0abeee84a303776f759317b334e73684ee3942e943d7b4b1080b8faa03c89 |
| SHA512 | d40148ea7296e440a176fe9612d0c7cbf8585d142331d71df40d4a773008dc0c5a48a3ab8c445e81da321652c2235d8e55f5f49990169963aaa925cd8f9d6468 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.exe
| MD5 | 6cabba7c391565889c8fe3f0d192dcd4 |
| SHA1 | e7762162b9b010b925cf5a93613fc815a7c212c3 |
| SHA256 | 385801941df676ef3b81a560b12be710d55a8d4995d85bc4c122549bd510ab3b |
| SHA512 | 7d7b5db3909ae379f3a77152198a25349466af313c557906d5c0b30f936fe7f26b0ecad5e557e364a9ec41f370bbf5004011ea2e7419a114e3c92d567c8afb92 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g7073662.exe
| MD5 | 6cabba7c391565889c8fe3f0d192dcd4 |
| SHA1 | e7762162b9b010b925cf5a93613fc815a7c212c3 |
| SHA256 | 385801941df676ef3b81a560b12be710d55a8d4995d85bc4c122549bd510ab3b |
| SHA512 | 7d7b5db3909ae379f3a77152198a25349466af313c557906d5c0b30f936fe7f26b0ecad5e557e364a9ec41f370bbf5004011ea2e7419a114e3c92d567c8afb92 |
memory/400-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/400-22-0x0000000073DC0000-0x0000000074570000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8594396.exe
| MD5 | 507eba56626fae7cae5548f9c56943c0 |
| SHA1 | 9c0cb4975c429fc01103c1bc5231a0f434be9aed |
| SHA256 | 6dc2af9af7462c3709968ca90d70351bf9c11f513b665103383b71dc6fa7f224 |
| SHA512 | 44f040b28cb249f822f8492f902a6a4bfd3cbf50771bc89e7f360868fd2f369ef294d8383946df465a93e1490bdb129f7d7871d49ec3a0f6d7c5479f28fad281 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8594396.exe
| MD5 | 507eba56626fae7cae5548f9c56943c0 |
| SHA1 | 9c0cb4975c429fc01103c1bc5231a0f434be9aed |
| SHA256 | 6dc2af9af7462c3709968ca90d70351bf9c11f513b665103383b71dc6fa7f224 |
| SHA512 | 44f040b28cb249f822f8492f902a6a4bfd3cbf50771bc89e7f360868fd2f369ef294d8383946df465a93e1490bdb129f7d7871d49ec3a0f6d7c5479f28fad281 |
memory/2688-26-0x0000000000580000-0x00000000005B0000-memory.dmp
memory/2688-27-0x0000000073DC0000-0x0000000074570000-memory.dmp
memory/2688-28-0x00000000054F0000-0x0000000005B08000-memory.dmp
memory/2688-29-0x0000000004FE0000-0x00000000050EA000-memory.dmp
memory/2688-30-0x0000000004F10000-0x0000000004F22000-memory.dmp
memory/2688-31-0x0000000004D80000-0x0000000004D90000-memory.dmp
memory/2688-32-0x0000000004F70000-0x0000000004FAC000-memory.dmp
memory/400-33-0x0000000073DC0000-0x0000000074570000-memory.dmp
memory/2688-34-0x0000000073DC0000-0x0000000074570000-memory.dmp
memory/400-36-0x0000000073DC0000-0x0000000074570000-memory.dmp
memory/2688-37-0x0000000004D80000-0x0000000004D90000-memory.dmp