Analysis Overview
SHA256
4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0
Threat Level: Known bad
The file 4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0 was found to be: Known bad.
Malicious Activity Summary
Healer family
RedLine payload
Redline family
Modifies Windows Defender Real-time Protection settings
RedLine
Detects Healer an antivirus disabler dropper
Healer
Executes dropped EXE
Windows security modification
Adds Run key to start application
Unsigned PE
System Location Discovery: System Language Discovery
Program crash
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-10 02:02
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
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Analysis: behavioral1
Detonation Overview
Submitted
2024-11-10 02:02
Reported
2024-11-10 02:04
Platform
win10v2004-20241007-en
Max time kernel
146s
Max time network
149s
Command Line
Signatures
Detects Healer an antivirus disabler dropper
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Healer
Healer family
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:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableBehaviorMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableIOAVProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableOnAccessProtection = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Policies\Microsoft\Windows Defender\Real-Time Protection\DisableScanOnRealtimeEnable = "1" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
RedLine
RedLine payload
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Redline family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe | N/A |
Windows security modification
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.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\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.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\ycdN52qc85.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe
"C:\Users\Admin\AppData\Local\Temp\4e22abe3154eae8bab7db1c0a544cc7b07e3936b6ecd9564979b3cb11a7e82c0.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1992 -ip 1992
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1992 -s 1084
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
| US | 8.8.8.8:53 | pepunn.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\ycdN52qc85.exe
| MD5 | 449d797e84d973f387ec315e77972faa |
| SHA1 | 0bc0d0847e324d6ca123e47e314501641a4d5c20 |
| SHA256 | 0e63554fae4fa1726996ee5dc6b6da454a24650fd07e085ecec92ec8002f94c3 |
| SHA512 | 447354cfca05b266b6cd049a36e3d2dc1dcfc91253b3b907d6b2cbed8ab7febbd6997611e7561457455d9851bcf5f6096c96c12580c0884cfd6f9f1018716979 |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\ursa85HK12.exe
| MD5 | e51e74d094b076776b0169ed1a54d0a3 |
| SHA1 | 0e6f8f2fc33bed2e1d0768ae674e0e4b182085b2 |
| SHA256 | 6e25bad8749aa05160afd2dfe3a01906f424ca495518c70cebc2d3ef5930521b |
| SHA512 | d04434571bf1c971c350fb13e54b4a6d6bc96b1443a45ba2a0124c5d903f0f17287fd8ea54c94e1d06ec302242275900819807559318f16fac28c6f6e6a3ff5f |
memory/1992-15-0x0000000002DE0000-0x0000000002EE0000-memory.dmp
memory/1992-16-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1992-17-0x0000000004970000-0x000000000498A000-memory.dmp
memory/1992-18-0x00000000074D0000-0x0000000007A74000-memory.dmp
memory/1992-19-0x0000000004E50000-0x0000000004E68000-memory.dmp
memory/1992-20-0x0000000000400000-0x0000000002BC5000-memory.dmp
memory/1992-48-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-46-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-44-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-42-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-40-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-38-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-36-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-34-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-32-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-31-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-28-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-27-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-24-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-22-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-21-0x0000000004E50000-0x0000000004E62000-memory.dmp
memory/1992-49-0x0000000002DE0000-0x0000000002EE0000-memory.dmp
memory/1992-50-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1992-51-0x0000000000400000-0x0000000002BC5000-memory.dmp
memory/1992-53-0x0000000000400000-0x0000000002BC5000-memory.dmp
memory/1992-54-0x0000000000400000-0x0000000000430000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\wriW64RI31.exe
| MD5 | 67530ca401a21e9021983dd91b37c971 |
| SHA1 | 059cc53f7d897b6e0b9072274cb964ab547489a9 |
| SHA256 | 3b8cd7237a32fdb861ebd4c8243729f969a0355e4554832f73d8ab0ee3871b9a |
| SHA512 | 0b8f93e0d38b8bf6fab4adb7c1ecd05da3c354acd94e9f02c48ef8f822be328d6e2c558806e732a840178ec2d0c32daf718f372a6040403353565196ce231b78 |
memory/4476-59-0x0000000004E40000-0x0000000004E86000-memory.dmp
memory/4476-60-0x00000000078D0000-0x0000000007914000-memory.dmp
memory/4476-84-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-64-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-62-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-61-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-94-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-92-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-90-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-88-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-86-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-82-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-80-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-79-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-77-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-74-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-72-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-70-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-68-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-66-0x00000000078D0000-0x000000000790E000-memory.dmp
memory/4476-967-0x0000000007950000-0x0000000007F68000-memory.dmp
memory/4476-968-0x0000000007FF0000-0x00000000080FA000-memory.dmp
memory/4476-969-0x0000000008130000-0x0000000008142000-memory.dmp
memory/4476-970-0x0000000008150000-0x000000000818C000-memory.dmp
memory/4476-971-0x00000000082E0000-0x000000000832C000-memory.dmp