Analysis Overview
SHA256
21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233
Threat Level: Known bad
The file 21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233 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 16:03
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-09-10 16:03
Reported
2023-09-10 16:06
Platform
win10v2004-20230831-en
Max time kernel
147s
Max time network
151s
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\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 |
| 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 |
RedLine
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.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\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.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\x3389341.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\x6387859.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 920 set thread context of 1832 | N/A | C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.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\g6093297.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\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe
"C:\Users\Admin\AppData\Local\Temp\21e3b311d4fd9ab5f45626d4722726451dd299268c82ab48ca39bdee3d198233.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.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 444 -p 920 -ip 920
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 920 -s 568
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 254.113.26.67.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 126.21.238.8.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp | |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 138.201.86.20.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 | |
| 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 |
| FI | 77.91.124.82:19071 | tcp | |
| US | 8.8.8.8:53 | 84.65.42.20.in-addr.arpa | udp |
| FI | 77.91.124.82:19071 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
| MD5 | ad451730b68f2dff4525cf99d043585c |
| SHA1 | 10ff965545cabfa855c28181ff8c2da80e2fcf96 |
| SHA256 | 79e94fc545216f168a62d1ac4c712b39e1f7aa7448eff2374bbf40b7088fdbba |
| SHA512 | 64731176fc6a6286af39b1274f40ad844f45d5cf46fc9c08ef584cbc0eb6290838d48b74cc540353ebd8b39c58395091326f23b2b5bd48eaa781e6750dd31e78 |
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\x3389341.exe
| MD5 | ad451730b68f2dff4525cf99d043585c |
| SHA1 | 10ff965545cabfa855c28181ff8c2da80e2fcf96 |
| SHA256 | 79e94fc545216f168a62d1ac4c712b39e1f7aa7448eff2374bbf40b7088fdbba |
| SHA512 | 64731176fc6a6286af39b1274f40ad844f45d5cf46fc9c08ef584cbc0eb6290838d48b74cc540353ebd8b39c58395091326f23b2b5bd48eaa781e6750dd31e78 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
| MD5 | ea3d201feb2ad7cee6a08b052f59d5e9 |
| SHA1 | b95b639312fb54e9d6c29b4f3d681442703e615e |
| SHA256 | 31eb6f1158792c095a309de08e43869290804337d8db8896c8ca0250fcca9dcc |
| SHA512 | 51da5a746aacb59576db76b087654f5d5d8e7a7407b1224e70d3293058a23b779bfde1093ab22b72ec972983dd10a3c000d9dbe598506d77a85e73434678fddd |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\x6387859.exe
| MD5 | ea3d201feb2ad7cee6a08b052f59d5e9 |
| SHA1 | b95b639312fb54e9d6c29b4f3d681442703e615e |
| SHA256 | 31eb6f1158792c095a309de08e43869290804337d8db8896c8ca0250fcca9dcc |
| SHA512 | 51da5a746aacb59576db76b087654f5d5d8e7a7407b1224e70d3293058a23b779bfde1093ab22b72ec972983dd10a3c000d9dbe598506d77a85e73434678fddd |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
| MD5 | f7eeb1a801d2c9102c4e0f1ad3eb647e |
| SHA1 | 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db |
| SHA256 | 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830 |
| SHA512 | 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\g6093297.exe
| MD5 | f7eeb1a801d2c9102c4e0f1ad3eb647e |
| SHA1 | 661a1722f7a8ad76e468e3e2c49ca772ac3fe3db |
| SHA256 | 16a01e437d325a072479cd6bb8698218c40c65807738ad36c668d25b38c33830 |
| SHA512 | 067e53cfa3a1736e8b0aa95178727acadd8ec51d4bb7104892d1503861b4884c6966133fa58f51d59be7d9f1823939bb2ecc8b9506e92c160360296b387e37a4 |
memory/1832-21-0x0000000000400000-0x000000000040A000-memory.dmp
memory/1832-22-0x00000000742D0000-0x0000000074A80000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
| MD5 | 566e3ad0588b407c1d53b2d48f27169d |
| SHA1 | b09056537a4e0d6086741198898b692c9d2459e8 |
| SHA256 | f7e18cda7c1c484b7b34f3f3bcfe65fd209c9d8d6cac21d298b1426087b2e013 |
| SHA512 | d123eea3008cf7fd36cdf1fed4e9411abb36ac8b1c601267568ebb360347c9769a4c9887607e7a32d34cd388f6a0fc7a56077ab43a9f97e23c4ce818b4b33b98 |
C:\Users\Admin\AppData\Local\Temp\IXP002.TMP\i8071540.exe
| MD5 | 566e3ad0588b407c1d53b2d48f27169d |
| SHA1 | b09056537a4e0d6086741198898b692c9d2459e8 |
| SHA256 | f7e18cda7c1c484b7b34f3f3bcfe65fd209c9d8d6cac21d298b1426087b2e013 |
| SHA512 | d123eea3008cf7fd36cdf1fed4e9411abb36ac8b1c601267568ebb360347c9769a4c9887607e7a32d34cd388f6a0fc7a56077ab43a9f97e23c4ce818b4b33b98 |
memory/1724-26-0x0000000000F40000-0x0000000000F70000-memory.dmp
memory/1724-27-0x00000000742D0000-0x0000000074A80000-memory.dmp
memory/1724-28-0x000000000B260000-0x000000000B878000-memory.dmp
memory/1724-29-0x000000000ADB0000-0x000000000AEBA000-memory.dmp
memory/1724-31-0x0000000005770000-0x0000000005780000-memory.dmp
memory/1724-30-0x000000000ACF0000-0x000000000AD02000-memory.dmp
memory/1724-32-0x000000000AD50000-0x000000000AD8C000-memory.dmp
memory/1832-33-0x00000000742D0000-0x0000000074A80000-memory.dmp
memory/1832-35-0x00000000742D0000-0x0000000074A80000-memory.dmp
memory/1724-36-0x00000000742D0000-0x0000000074A80000-memory.dmp
memory/1724-37-0x0000000005770000-0x0000000005780000-memory.dmp