Analysis Overview
SHA256
fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604
Threat Level: Likely malicious
The file fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604 was found to be: Likely malicious.
Malicious Activity Summary
Blocklisted process makes network request
Reads user/profile data of web browsers
Adds Run key to start application
Enumerates connected drives
Writes to the Master Boot Record (MBR)
System Location Discovery: System Language Discovery
Unsigned PE
Checks processor information in registry
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2025-01-19 12:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2025-01-19 12:08
Reported
2025-01-19 12:11
Platform
win10v2004-20241007-en
Max time kernel
148s
Max time network
150s
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 |
| 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 |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\esf = "C:\\Windows\\SysWOW64\\rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll\",EnumSourceFiles" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\h: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\e: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\q: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\b: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\i: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | C:\Windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 460 wrote to memory of 3984 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 460 wrote to memory of 3984 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 460 wrote to memory of 3984 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| KR | 107.163.56.237:18530 | tcp | |
| US | 8.8.8.8:53 | 7.98.22.2.in-addr.arpa | udp |
| KR | 107.163.56.109:18530 | tcp | |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| KR | 107.163.56.251:6658 | tcp | |
| KR | 107.163.56.236:18963 | tcp | |
| KR | 107.163.56.236:18963 | tcp | |
| 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 | 167.190.18.2.in-addr.arpa | udp |
| KR | 107.163.56.236:18963 | tcp | |
| KR | 107.163.56.251:6658 | tcp | |
| US | 8.8.8.8:53 | 86.49.80.91.in-addr.arpa | udp |
| KR | 107.163.56.251:6658 | tcp | |
| US | 8.8.8.8:53 | 85.49.80.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
| KR | 107.163.56.251:6658 | tcp | |
| KR | 107.163.56.251:6658 | tcp |
Files
memory/3984-0-0x0000000010000000-0x0000000010073000-memory.dmp
memory/3984-1-0x0000000010048000-0x0000000010049000-memory.dmp
memory/3984-3-0x0000000010000000-0x0000000010073000-memory.dmp
memory/3984-4-0x0000000010000000-0x0000000010073000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2025-01-19 12:08
Reported
2025-01-19 12:10
Platform
win7-20240903-en
Max time kernel
143s
Max time network
147s
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 |
| 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 |
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\esf = "C:\\Windows\\SysWOW64\\rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll\",EnumSourceFiles" | C:\Windows\SysWOW64\rundll32.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\e: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\l: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\a: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\h: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\i: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\m: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\q: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\r: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\t: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\w: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\g: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\z: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\x: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\y: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\v: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\j: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\k: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\n: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\o: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\p: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\s: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\u: | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File opened (read-only) | \??\b: | C:\Windows\SysWOW64\rundll32.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PHYSICALDRIVE0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | 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 |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\SysWOW64\rundll32.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1972 wrote to memory of 2548 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fe68f93025656a4ae8771ef0331c4fbb16117ac536a5f17d0d353ea1d727a604.dll,#1
Network
| Country | Destination | Domain | Proto |
| KR | 107.163.56.237:18530 | 107.163.56.237 | tcp |
| KR | 107.163.56.109:18530 | 107.163.56.109 | tcp |
| KR | 107.163.56.251:6658 | tcp | |
| KR | 107.163.56.236:18963 | 107.163.56.236 | tcp |
| KR | 107.163.56.236:18963 | tcp | |
| KR | 107.163.56.236:18963 | tcp | |
| KR | 107.163.56.251:6658 | tcp | |
| KR | 107.163.56.251:6658 | tcp |
Files
memory/2548-0-0x0000000010000000-0x0000000010073000-memory.dmp
memory/2548-1-0x0000000010000000-0x0000000010073000-memory.dmp
memory/2548-2-0x0000000010000000-0x0000000010073000-memory.dmp
memory/2548-3-0x0000000010048000-0x0000000010049000-memory.dmp
memory/2548-4-0x0000000010000000-0x0000000010073000-memory.dmp
memory/2548-6-0x0000000010000000-0x0000000010073000-memory.dmp