Analysis Overview
SHA256
263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c
Threat Level: Known bad
The file 263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c was found to be: Known bad.
Malicious Activity Summary
Modifies Windows Defender Real-time Protection settings
RedLine
Detects Healer an antivirus disabler dropper
Healer
Executes dropped EXE
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 15:33
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 15:33
Reported
2023-09-10 15:36
Platform
win10v2004-20230831-en
Max time kernel
141s
Max time network
148s
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\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 |
| 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 |
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.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\x4605025.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\x8396071.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\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1208 set thread context of 2064 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.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\g8951295.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\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe
"C:\Users\Admin\AppData\Local\Temp\263d86ace4a31c78df505eadd886ed977aa51c8d9b499d4fd297b9dd3bf8756c.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.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 424 -p 1208 -ip 1208
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 140
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.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 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 108.211.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 54.120.234.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.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 |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 126.23.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.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 | 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 | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 5.173.189.20.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
| MD5 | 97941b1ba748ba3286d4986a25e494ed |
| SHA1 | 860100900aa7d28897b625554f957161feba81c9 |
| SHA256 | b77fcf003e7f807f32be161549d5698d04df0e67e9c17f4913b5095ab2695aa8 |
| SHA512 | 65ac3a11d47ae577d0e87ba4f2c072e9f22a596614d98afcbe5cb2d2dd0e914359ab7fdbd9bdf8261d2c9d7d060e494622140d179773ac1bbe1dd9a85094c5d0 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x4605025.exe
| MD5 | 97941b1ba748ba3286d4986a25e494ed |
| SHA1 | 860100900aa7d28897b625554f957161feba81c9 |
| SHA256 | b77fcf003e7f807f32be161549d5698d04df0e67e9c17f4913b5095ab2695aa8 |
| SHA512 | 65ac3a11d47ae577d0e87ba4f2c072e9f22a596614d98afcbe5cb2d2dd0e914359ab7fdbd9bdf8261d2c9d7d060e494622140d179773ac1bbe1dd9a85094c5d0 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
| MD5 | 6675caa71e3c386fe5a4f96a0a07d7a3 |
| SHA1 | 1f1da31274bb7ad459dfaabdbd810b46fc5631de |
| SHA256 | b54ddbbcd21016b40ae8df32156a7b8e9734888a3ee432db67b7deb6b527a40a |
| SHA512 | 225e7fdd18147274a83afc21f981b4bbe43b1211526057c6bf34263d847b21f74ec12f02b692fa990bba4164db8a463d8e53614afbcfa749c0b6c264ecc4c473 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x8396071.exe
| MD5 | 6675caa71e3c386fe5a4f96a0a07d7a3 |
| SHA1 | 1f1da31274bb7ad459dfaabdbd810b46fc5631de |
| SHA256 | b54ddbbcd21016b40ae8df32156a7b8e9734888a3ee432db67b7deb6b527a40a |
| SHA512 | 225e7fdd18147274a83afc21f981b4bbe43b1211526057c6bf34263d847b21f74ec12f02b692fa990bba4164db8a463d8e53614afbcfa749c0b6c264ecc4c473 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
| MD5 | f7eeb1a801d2c9102c4e0f1ad3eb647e |
| SHA1 | 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db |
| SHA256 | 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830 |
| SHA512 | 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g8951295.exe
| MD5 | f7eeb1a801d2c9102c4e0f1ad3eb647e |
| SHA1 | 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db |
| SHA256 | 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830 |
| SHA512 | 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4 |
memory/2064-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/2064-22-0x0000000074240000-0x00000000749F0000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe
| MD5 | 84b6c22fef31cc1e8d26d7f324417d24 |
| SHA1 | 7d0824fec64bf898fd660e4f1f4d8840ce76bca3 |
| SHA256 | 71b9539b902180114ac8655bc22cd2957bd8fa61bed6c909626b5b03373de2ec |
| SHA512 | 8a9a31f62e760e2ebf33b3c258d83393cfb18a410bc706e4c8b9974943b601079628ad22e26b3904182e3e7422f5b4fcdd8a70530408a750083f31b8fa8f2032 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i2256304.exe
| MD5 | 84b6c22fef31cc1e8d26d7f324417d24 |
| SHA1 | 7d0824fec64bf898fd660e4f1f4d8840ce76bca3 |
| SHA256 | 71b9539b902180114ac8655bc22cd2957bd8fa61bed6c909626b5b03373de2ec |
| SHA512 | 8a9a31f62e760e2ebf33b3c258d83393cfb18a410bc706e4c8b9974943b601079628ad22e26b3904182e3e7422f5b4fcdd8a70530408a750083f31b8fa8f2032 |
memory/4992-26-0x00000000001D0000-0x0000000000200000-memory.dmp
memory/4992-27-0x0000000074240000-0x00000000749F0000-memory.dmp
memory/4992-28-0x0000000005180000-0x0000000005798000-memory.dmp
memory/4992-29-0x0000000004C70000-0x0000000004D7A000-memory.dmp
memory/4992-30-0x0000000004B60000-0x0000000004B72000-memory.dmp
memory/4992-31-0x0000000004B50000-0x0000000004B60000-memory.dmp
memory/4992-32-0x0000000004BC0000-0x0000000004BFC000-memory.dmp
memory/2064-33-0x0000000074240000-0x00000000749F0000-memory.dmp
memory/2064-35-0x0000000074240000-0x00000000749F0000-memory.dmp
memory/4992-36-0x0000000074240000-0x00000000749F0000-memory.dmp
memory/4992-37-0x0000000004B50000-0x0000000004B60000-memory.dmp