Analysis Overview
SHA256
952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecd
Threat Level: Known bad
The file 952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecdN was found to be: Known bad.
Malicious Activity Summary
Ramnit
Loads dropped DLL
Executes dropped EXE
UPX packed file
Drops file in System32 directory
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-05 00:20
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-05 00:20
Reported
2024-10-05 00:22
Platform
win7-20240708-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2484 wrote to memory of 2376 | 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\952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecdN.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecdN.dll,#1
Network
Files
memory/2376-0-0x0000000010000000-0x000000001005A000-memory.dmp
memory/2376-1-0x0000000010000000-0x000000001005A000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-05 00:20
Reported
2024-10-05 00:22
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
94s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
| File created | C:\Windows\SysWOW64\rundll32mgrmgr.exe | C:\Windows\SysWOW64\rundll32mgr.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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3840 wrote to memory of 5040 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3840 wrote to memory of 5040 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3840 wrote to memory of 5040 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 5040 wrote to memory of 4200 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 5040 wrote to memory of 4200 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 5040 wrote to memory of 4200 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4200 wrote to memory of 4352 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| PID 4200 wrote to memory of 4352 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| PID 4200 wrote to memory of 4352 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecdN.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\952b976758c83fa247f417fb3195277c1522222a92a897a7f8ed66d74bde7ecdN.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgrmgr.exe
C:\Windows\SysWOW64\rundll32mgrmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4200 -ip 4200
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 4352 -ip 4352
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 10176
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4200 -s 10184
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
Files
memory/5040-0-0x0000000010000000-0x000000001005A000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | d3d9e83859d00c69a12e334852e0e40e |
| SHA1 | 88b6d73a9a92b96f017417e346781aa62e412112 |
| SHA256 | 3b50ec5daef877dabead21459e6e6dd8de74ea4fbdaf1163768e0376b4060887 |
| SHA512 | 3f565d70caa9139068468cb296f15a05d5921d01362f04bb2996007683bf8816dbc6338283acba22d8349c1214c98bddb476fef3878b97f555acd46ac8754fe2 |
memory/4200-5-0x0000000000400000-0x000000000045C000-memory.dmp
C:\Windows\SysWOW64\rundll32mgrmgr.exe
| MD5 | 8abf6898662a995642dd979ff1fe5eef |
| SHA1 | 08aeda19120993801a6f3a8aa2b73b559ed361ad |
| SHA256 | 8aa6d0613c1ad6326d92678bc90dd10be1fba7a5b5f9d7a4a6fac6a42baf94cb |
| SHA512 | a1e88bde3478d8a0c74824998b13e1fdf4484eec444540352076acc43675ecd2daed86e719b3889e7e8ce2104b2b7259a237b42d474acbca8f7e7fb3f37a3313 |
memory/4352-9-0x0000000000400000-0x0000000000443000-memory.dmp
memory/4200-11-0x0000000002080000-0x00000000020DC000-memory.dmp
memory/4200-15-0x0000000000400000-0x000000000045C000-memory.dmp
memory/4352-12-0x0000000000400000-0x0000000000443000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TMB73B.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4200-21-0x0000000002080000-0x00000000020DC000-memory.dmp