Analysis Overview
SHA256
e51591895c6a143bc3423ae1fedc4ba0c217150061ad9fec3a8985b5a74f5024
Threat Level: Known bad
The file e51591895c6a143bc3423ae1fedc4ba0c217150061ad9fec3a8985b5a74f5024 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 WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-09-10 13:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 13:53
Reported
2023-09-10 13:56
Platform
win10v2004-20230831-en
Max time kernel
148s
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 |
| 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 |
| 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 |
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5555178.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6763261.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8398961.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\x5555178.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\x6763261.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\e51591895c6a143bc3423ae1fedc4ba0c217150061ad9fec3a8985b5a74f5024.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 548 set thread context of 1644 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.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\g4243192.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\e51591895c6a143bc3423ae1fedc4ba0c217150061ad9fec3a8985b5a74f5024.exe
"C:\Users\Admin\AppData\Local\Temp\e51591895c6a143bc3423ae1fedc4ba0c217150061ad9fec3a8985b5a74f5024.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5555178.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5555178.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6763261.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6763261.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.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 548 -ip 548
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 548 -s 588
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8398961.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8398961.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.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 | 171.39.242.20.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 |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 126.24.238.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 24.73.42.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5555178.exe
| MD5 | 307cb07dee911cadc39f1fe7411820e1 |
| SHA1 | 1e276da064b137fe99a6b19b88c8d7b545d32084 |
| SHA256 | 82755dc46d99129495bc44df32701f0c8d9f8a4fe15ddcc68c33f75432dc6faf |
| SHA512 | 8daa13f2810445fa07a17318253f9afe36751e4aa739e1f1b9633e87423c846b3843378e8089d49646bb83c6f044007a8f0053d595fba707a9655107f79531be |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x5555178.exe
| MD5 | 307cb07dee911cadc39f1fe7411820e1 |
| SHA1 | 1e276da064b137fe99a6b19b88c8d7b545d32084 |
| SHA256 | 82755dc46d99129495bc44df32701f0c8d9f8a4fe15ddcc68c33f75432dc6faf |
| SHA512 | 8daa13f2810445fa07a17318253f9afe36751e4aa739e1f1b9633e87423c846b3843378e8089d49646bb83c6f044007a8f0053d595fba707a9655107f79531be |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6763261.exe
| MD5 | a811785338a6aee81f4d7f62c2e9af2f |
| SHA1 | 21f357bf814a806e969c367be200f92d794cb558 |
| SHA256 | b43779f7cec11ca6d9f544e926b082ad134abe57907f8b6a0ca4374da572e015 |
| SHA512 | 72fd9ee2791697a61803f8e4363a4586f31254b44ccab54cec2db71b3325007ff9307a85b8990afa2e240f5605a0949b674629c555ca90ed83723f6fe3dae831 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6763261.exe
| MD5 | a811785338a6aee81f4d7f62c2e9af2f |
| SHA1 | 21f357bf814a806e969c367be200f92d794cb558 |
| SHA256 | b43779f7cec11ca6d9f544e926b082ad134abe57907f8b6a0ca4374da572e015 |
| SHA512 | 72fd9ee2791697a61803f8e4363a4586f31254b44ccab54cec2db71b3325007ff9307a85b8990afa2e240f5605a0949b674629c555ca90ed83723f6fe3dae831 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.exe
| MD5 | e582869c6e146f10a71b3f6ba484619d |
| SHA1 | 7598c5a18f3d7af6871f1d60bf5784aba2a1d403 |
| SHA256 | 2514954107c29a1307d4076436ab56c64f4c60a37aca0400a540d486f3a77ee0 |
| SHA512 | 137c21c123316e4048db81fe1dff7c5d0ce1b9206cf1167eadc77f710520d30d043a9fcba56b54f08ca4b113e755ec7913919190d4afa5dc40bbed1739dda516 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g4243192.exe
| MD5 | e582869c6e146f10a71b3f6ba484619d |
| SHA1 | 7598c5a18f3d7af6871f1d60bf5784aba2a1d403 |
| SHA256 | 2514954107c29a1307d4076436ab56c64f4c60a37aca0400a540d486f3a77ee0 |
| SHA512 | 137c21c123316e4048db81fe1dff7c5d0ce1b9206cf1167eadc77f710520d30d043a9fcba56b54f08ca4b113e755ec7913919190d4afa5dc40bbed1739dda516 |
memory/1644-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1644-22-0x0000000074970000-0x0000000075120000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8398961.exe
| MD5 | 34a3c74691ac60d58005207d2148692f |
| SHA1 | 2f965538b5ff1797412df2179a6cad433f081f66 |
| SHA256 | 1b6239ee780b6bbc51b0d86990f29bbc69463b294cf7b0939be8b9345c35247f |
| SHA512 | 7ae51752a5ac71acff30a10cd3b729acf81b98a08a4a40980399f301efab6efd9bbce631f4dee7a31e88aec643339235db69b6ee6820d212c563660b23e7ba90 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8398961.exe
| MD5 | 34a3c74691ac60d58005207d2148692f |
| SHA1 | 2f965538b5ff1797412df2179a6cad433f081f66 |
| SHA256 | 1b6239ee780b6bbc51b0d86990f29bbc69463b294cf7b0939be8b9345c35247f |
| SHA512 | 7ae51752a5ac71acff30a10cd3b729acf81b98a08a4a40980399f301efab6efd9bbce631f4dee7a31e88aec643339235db69b6ee6820d212c563660b23e7ba90 |
memory/4512-26-0x00000000007D0000-0x0000000000800000-memory.dmp
memory/4512-27-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4512-28-0x0000000005710000-0x0000000005D28000-memory.dmp
memory/4512-29-0x0000000005220000-0x000000000532A000-memory.dmp
memory/4512-31-0x0000000004FE0000-0x0000000004FF0000-memory.dmp
memory/4512-30-0x0000000005160000-0x0000000005172000-memory.dmp
memory/4512-32-0x00000000051C0000-0x00000000051FC000-memory.dmp
memory/1644-33-0x0000000074970000-0x0000000075120000-memory.dmp
memory/1644-35-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4512-36-0x0000000074970000-0x0000000075120000-memory.dmp
memory/4512-37-0x0000000004FE0000-0x0000000004FF0000-memory.dmp