Analysis Overview
SHA256
d7d5c378655d1219fa9651e8560658e054e31d0f30318b642b2b52516d19dc44
Threat Level: Known bad
The file d3bb4b2f24749935ceec7e23742f799a was found to be: Known bad.
Malicious Activity Summary
Ramnit
UAC bypass
Sality
UPX packed file
Loads dropped DLL
Checks whether UAC is enabled
Drops file in Windows directory
Program crash
Unsigned PE
Suspicious use of UnmapMainImage
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
System policy modification
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-18 14:10
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-18 14:10
Reported
2024-05-18 14:11
Platform
win10v2004-20240508-en
Max time kernel
34s
Max time network
35s
Command Line
Signatures
Ramnit
Sality
UAC bypass
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
UPX packed file
| 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 |
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\SYSTEM.INI | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000_Classes\Local Settings | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\OpenWith.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Suspicious use of WriteProcessMemory
System policy modification
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" | C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe | N/A |
Processes
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\fontdrvhost.exe
"fontdrvhost.exe"
C:\Windows\system32\dwm.exe
"dwm.exe"
C:\Windows\system32\sihost.exe
sihost.exe
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
C:\Windows\system32\taskhostw.exe
taskhostw.exe {222A245B-E637-4AE9-A93F-A59CA119A75E}
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
C:\Windows\system32\DllHost.exe
C:\Windows\system32\DllHost.exe /Processid:{3EB3C877-1F16-487C-9050-104DBCD66683}
C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe
"C:\Windows\SystemApps\Microsoft.Windows.StartMenuExperienceHost_cw5n1h2txyewy\StartMenuExperienceHost.exe" -ServerName:App.AppXywbrabmsek0gm3tkwpr5kwzbs55tkqay.mca
C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe
"C:\Users\Admin\AppData\Local\Temp\d3bb4b2f24749935ceec7e23742f799a.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3048 -ip 3048
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 720
C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
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 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.24.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| NL | 23.62.61.160:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 160.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 142.53.16.96.in-addr.arpa | udp |
Files
memory/3048-0-0x0000000000400000-0x0000000000433000-memory.dmp
memory/3048-1-0x0000000003230000-0x0000000004260000-memory.dmp
memory/3048-8-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-15-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-18-0x00000000009E0000-0x00000000009E1000-memory.dmp
memory/3048-17-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-14-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-13-0x0000000003230000-0x0000000004260000-memory.dmp
memory/3048-9-0x0000000003230000-0x0000000004260000-memory.dmp
memory/3048-7-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-6-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-5-0x0000000000400000-0x0000000000425000-memory.dmp
memory/3048-3-0x0000000003230000-0x0000000004260000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM3F6A.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/3048-24-0x0000000077A12000-0x0000000077A13000-memory.dmp
memory/3048-23-0x0000000077A12000-0x0000000077A14000-memory.dmp
memory/3048-22-0x00000000779ED000-0x00000000779EF000-memory.dmp