Analysis Overview
SHA256
5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36
Threat Level: Known bad
The file 5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N was found to be: Known bad.
Malicious Activity Summary
Ramnit
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
UPX packed file
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-05 04:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-05 04:28
Reported
2024-10-05 04:30
Platform
win7-20240903-en
Max time kernel
117s
Max time network
118s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Loads dropped DLL
| 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\rundll32mgr.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 |
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\rundll32.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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2520 -s 244
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2376 -s 180
Network
Files
memory/2520-6-0x00000000001B0000-0x000000000020C000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | a8245f71e4e4aff10e574300abd2bcc2 |
| SHA1 | 7ea3ae53a0697e526c6bc877b103b390af042d7a |
| SHA256 | 7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546 |
| SHA512 | 8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978 |
memory/2520-2-0x0000000075110000-0x0000000075186000-memory.dmp
memory/2520-3-0x0000000075090000-0x0000000075106000-memory.dmp
memory/2520-0-0x0000000075110000-0x0000000075186000-memory.dmp
memory/2376-13-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2376-14-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2520-12-0x00000000001B0000-0x000000000020C000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM9F3C.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
\Users\Admin\AppData\Local\Temp\~TM9F7B.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2376-21-0x0000000000400000-0x000000000045C000-memory.dmp
memory/2520-23-0x00000000001B0000-0x000000000020C000-memory.dmp
memory/2520-24-0x0000000075110000-0x0000000075190000-memory.dmp
memory/2520-25-0x0000000075090000-0x0000000075106000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-05 04:28
Reported
2024-10-05 04:30
Platform
win10v2004-20240802-en
Max time kernel
97s
Max time network
99s
Command Line
Signatures
Ramnit
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| 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 |
UPX packed file
| Description | Indicator | Process | Target |
| 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\rundll32.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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3508 wrote to memory of 4104 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3508 wrote to memory of 4104 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3508 wrote to memory of 4104 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4104 wrote to memory of 640 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4104 wrote to memory of 640 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4104 wrote to memory of 640 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5c60860bc53d43bcaa381045c8117a7bd03d34687c7353e6be35824143e92a36N.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4104 -ip 4104
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 640 -ip 640
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4104 -s 624
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 552
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 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
Files
memory/4104-0-0x0000000075300000-0x0000000075376000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | a8245f71e4e4aff10e574300abd2bcc2 |
| SHA1 | 7ea3ae53a0697e526c6bc877b103b390af042d7a |
| SHA256 | 7bf945e4d87567106bfe8980b4fe1e6482578ab91fa9d82426c804ae5c3f2546 |
| SHA512 | 8c32f1f55c0475ce06ddbd3db80d529addb401089bd61491641d2e2c0c36020eabc5a947735388ae7a90514c543cb29450afa13b1e3f90387e432b62d4628978 |
memory/640-5-0x0000000000400000-0x000000000045C000-memory.dmp
memory/640-7-0x0000000000400000-0x000000000045C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM6FA2.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4104-10-0x0000000075300000-0x0000000075376000-memory.dmp