Analysis Overview
SHA256
b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2
Threat Level: Known bad
The file b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2 was found to be: Known bad.
Malicious Activity Summary
Detects Healer an antivirus disabler dropper
RedLine payload
Modifies Windows Defender Real-time Protection settings
Healer
RedLine
Redline family
Healer family
Executes dropped EXE
Windows security modification
Checks computer location settings
Adds Run key to start application
Unsigned PE
Program crash
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-09 05:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-09 05:15
Reported
2024-11-09 05:17
Platform
win10v2004-20241007-en
Max time kernel
146s
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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\pro3715.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\pro3715.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\pro3715.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\pro3715.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\pro3715.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\pro3715.exe | N/A |
RedLine
RedLine payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Redline family
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un795890.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe | N/A |
| N/A | N/A | C:\Windows\Temp\1.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si501416.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\pro3715.exe | N/A |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0" | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.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\b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2.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\un795890.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\Temp\1.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si501416.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un795890.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2.exe
"C:\Users\Admin\AppData\Local\Temp\b1ef8a77390c2929441e4b5097c912759da99e15f1bf48d790ca8f0db819b5b2.exe"
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un795890.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un795890.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1376 -ip 1376
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1376 -s 1004
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe
C:\Windows\Temp\1.exe
"C:\Windows\Temp\1.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 1424 -ip 1424
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1424 -s 1544
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si501416.exe
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si501416.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 149.220.183.52.in-addr.arpa | udp |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp | |
| FI | 77.91.124.145:4125 | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\un795890.exe
| MD5 | 60abf9e419721a7682fc787f34db8b7f |
| SHA1 | 4a74f6f9b4623920ba2dfe7ce5cb80445e4e4a86 |
| SHA256 | da82603941288fe57a69499c4e06655e3ca7be494b41915cdc5714bdcb86810d |
| SHA512 | 64013c6247d4b1d1a9e5c89f73ac67ad58a99490ee94ab075a722e4d201727936d8cf802eab32608e0237c009d59838082bd79a4e6414ee3f013518c3a170d3e |
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\pro3715.exe
| MD5 | ae4d5c598d757fc26e0924f6c8727c76 |
| SHA1 | 451c2eb8671db4729af05de661f582965c88d810 |
| SHA256 | 07d883fb6aa30562ab9d0503bdbd91e6bf91872eae45e18ed868664a4659446d |
| SHA512 | d8448ba5e462cffb669d1c152ec2e345848a5251a48c8dd7f3b388e6d2078194a2f0f145de26097e9effed6cafc80f011684cb788ecceea0c2753072eb43d0ee |
memory/1376-15-0x00000000007C0000-0x00000000008C0000-memory.dmp
memory/1376-16-0x0000000000580000-0x00000000005AD000-memory.dmp
memory/1376-17-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1376-18-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/1376-19-0x00000000007A0000-0x00000000007BA000-memory.dmp
memory/1376-20-0x0000000004B10000-0x00000000050B4000-memory.dmp
memory/1376-21-0x0000000002340000-0x0000000002358000-memory.dmp
memory/1376-33-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-47-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-45-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-43-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-41-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-39-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-37-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-35-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-31-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-49-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-27-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-25-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-23-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-22-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-29-0x0000000002340000-0x0000000002352000-memory.dmp
memory/1376-50-0x00000000007C0000-0x00000000008C0000-memory.dmp
memory/1376-51-0x0000000000580000-0x00000000005AD000-memory.dmp
memory/1376-52-0x0000000000400000-0x0000000000430000-memory.dmp
memory/1376-55-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/1376-56-0x0000000000400000-0x0000000000430000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP001.TMP\qu3408.exe
| MD5 | 2a87622297c16d63a425839e53cfc29b |
| SHA1 | 2bf35e9f7c2c50699dc7d7da98714478a895c2c6 |
| SHA256 | 30ef6bac870ed2a351aa857702c6555d415f844d346c933a2f32e3b5cb227385 |
| SHA512 | fe08bdb42ad71d499bff95eff886dedacaee0f483282526455ae37cff331607e09754cb0e02ac78069cf9e010201febcd8adf7d6275b433c7ea0b6a8d5f079ee |
memory/1424-61-0x0000000002400000-0x0000000002466000-memory.dmp
memory/1424-62-0x00000000025D0000-0x0000000002636000-memory.dmp
memory/1424-64-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-74-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-96-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-94-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-92-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-90-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-88-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-86-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-84-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-82-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-78-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-76-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-72-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-70-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-68-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-66-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-80-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-63-0x00000000025D0000-0x000000000262F000-memory.dmp
memory/1424-2143-0x0000000004CF0000-0x0000000004D22000-memory.dmp
C:\Windows\Temp\1.exe
| MD5 | 1073b2e7f778788852d3f7bb79929882 |
| SHA1 | 7f5ca4d69e0fcaf8fe6de2e80455a8b90eb6e2c4 |
| SHA256 | c46ef7b768c697e57d379ddfdfd3fb4931bf3d535730ef60feca9332e7a19feb |
| SHA512 | 90cacc509128f9dfb4d96ae9e847ed61b2062297f39d03f481fb1f798b45b36a2d3a8fe2e6415bdc8ce363cf21decee5a9e080f23270395712da1fea9f4952d0 |
memory/5672-2156-0x0000000000B60000-0x0000000000B90000-memory.dmp
memory/5672-2157-0x0000000005340000-0x0000000005346000-memory.dmp
memory/5672-2158-0x0000000005AC0000-0x00000000060D8000-memory.dmp
memory/5672-2159-0x00000000055B0000-0x00000000056BA000-memory.dmp
memory/5672-2160-0x00000000054E0000-0x00000000054F2000-memory.dmp
memory/5672-2161-0x0000000005540000-0x000000000557C000-memory.dmp
memory/5672-2162-0x00000000056C0000-0x000000000570C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\si501416.exe
| MD5 | effd9088e5a4c0915673ebdd00d85e7d |
| SHA1 | 412f90d32c89e8193371c4c04a0fc273a8b77574 |
| SHA256 | cad8e1a21485522122095ddabcb37e694c968449c5813f92ffa634f8bccbd47b |
| SHA512 | 584ad7bb23c1a9f423d737978c787f376d4ca2a3f9fadd39a660603f0e624b3b4d0f1734f5e27f06d3e99188634bbfba454ce43e813ed829fd2518e360573c96 |
memory/5856-2167-0x00000000000C0000-0x00000000000EE000-memory.dmp
memory/5856-2168-0x00000000049E0000-0x00000000049E6000-memory.dmp