Analysis Overview
SHA256
ef1994abb84e0746c9451910c7c81cc2f2f8e7b10a1459f7f022bb4b25ed4248
Threat Level: Likely malicious
The file 3e54cac3e2dae3c86908ddc0674b051bf90c1928.dll was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Checks BIOS information in registry
Reads user/profile data of web browsers
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates system info in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-08 14:39
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-08 14:39
Reported
2024-11-08 14:41
Platform
win7-20240903-en
Max time kernel
118s
Max time network
118s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e54cac3e2dae3c86908ddc0674b051bf90c1928.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e54cac3e2dae3c86908ddc0674b051bf90c1928.dll,#1
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "sXNOjKszOtgVmkz"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "sXNOjKszOtgVmkz"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "sXNOjKszOtgVmkz2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "sXNOjKszOtgVmkz2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OXxjczkOUapoBk"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OXxjczkOUapoBk"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "ovjHFLiaoDXiq"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "ovjHFLiaoDXiq"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "ovjHFLiaoDXiq2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "ovjHFLiaoDXiq2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "FUIGMuWdVnvJxtmtc"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "FUIGMuWdVnvJxtmtc"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "FUIGMuWdVnvJxtmtc2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "FUIGMuWdVnvJxtmtc2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OZKyURMXoOCzijVxvcH"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OZKyURMXoOCzijVxvcH"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OZKyURMXoOCzijVxvcH2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OZKyURMXoOCzijVxvcH2"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api4.check-data.xyz | udp |
| US | 44.226.34.177:80 | api4.check-data.xyz | tcp |
Files
memory/1340-0-0x0000000002860000-0x0000000002E3A000-memory.dmp
memory/1340-4-0x0000000000410000-0x0000000000472000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-08 14:39
Reported
2024-11-08 14:41
Platform
win10v2004-20241007-en
Max time kernel
90s
Max time network
149s
Command Line
Signatures
Blocklisted process makes network request
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Windows\SysWOW64\rundll32.exe | N/A |
Reads user/profile data of web browsers
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\schtasks.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e54cac3e2dae3c86908ddc0674b051bf90c1928.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\3e54cac3e2dae3c86908ddc0674b051bf90c1928.dll,#1
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "sXNOjKszOtgVmkz"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "sXNOjKszOtgVmkz"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "sXNOjKszOtgVmkz2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "sXNOjKszOtgVmkz2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OXxjczkOUapoBk"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OXxjczkOUapoBk"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "ovjHFLiaoDXiq"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "ovjHFLiaoDXiq"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "ovjHFLiaoDXiq2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "ovjHFLiaoDXiq2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "FUIGMuWdVnvJxtmtc"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "FUIGMuWdVnvJxtmtc"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "FUIGMuWdVnvJxtmtc2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "FUIGMuWdVnvJxtmtc2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OZKyURMXoOCzijVxvcH"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OZKyURMXoOCzijVxvcH"
C:\Windows\SysWOW64\schtasks.exe
schtasks /END /TN "OZKyURMXoOCzijVxvcH2"
C:\Windows\SysWOW64\schtasks.exe
schtasks /DELETE /F /TN "OZKyURMXoOCzijVxvcH2"
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 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.178.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 142.250.187.227:80 | c.pki.goog | tcp |
| US | 8.8.8.8:53 | o.pki.goog | udp |
| GB | 142.250.187.195:80 | o.pki.goog | tcp |
| US | 8.8.8.8:53 | api5.check-data.xyz | udp |
| US | 44.226.34.177:80 | api5.check-data.xyz | tcp |
| US | 8.8.8.8:53 | 227.187.250.142.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 177.34.226.44.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/1072-0-0x0000000002940000-0x0000000002F1A000-memory.dmp
memory/1072-4-0x00000000022D0000-0x0000000002332000-memory.dmp