Analysis Overview
SHA256
515b3103786959194f8dfdcb9abf2c93b84d0977f04b61a084eb73f12d64657c
Threat Level: Known bad
The file c8205c7edb79709dcb77038e4af160f2 was found to be: Known bad.
Malicious Activity Summary
Ramnit
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-14 08:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-14 08:08
Reported
2024-03-14 08:11
Platform
win10v2004-20240226-en
Max time kernel
148s
Max time network
155s
Command Line
Signatures
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4868 wrote to memory of 1112 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4868 wrote to memory of 1112 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4868 wrote to memory of 1112 | 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\c8205c7edb79709dcb77038e4af160f2.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8205c7edb79709dcb77038e4af160f2.dll,#1
Network
| Country | Destination | Domain | Proto |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.171.91.138.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 185.13.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 119.110.54.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 176.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 32.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 33.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 55.36.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/1112-0-0x00000000757F0000-0x0000000075872000-memory.dmp
memory/1112-1-0x00000000757F0000-0x0000000075872000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-14 08:08
Reported
2024-03-14 08:11
Platform
win7-20240221-en
Max time kernel
118s
Max time network
130s
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\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 |
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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8205c7edb79709dcb77038e4af160f2.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8205c7edb79709dcb77038e4af160f2.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2588 -s 240
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2960 -s 164
Network
Files
memory/2588-0-0x00000000751B0000-0x0000000075232000-memory.dmp
memory/2588-1-0x0000000075120000-0x00000000751A2000-memory.dmp
memory/2588-2-0x0000000075120000-0x00000000751A2000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 9d98badfb96f1384ecd059e89fb2d1fe |
| SHA1 | 239094afbb8ccaddef0493ceea50469a87cd254c |
| SHA256 | 7837455eaec625be70922a22405cecfe9f0def2204fa4746337999b61403aace |
| SHA512 | 7d04faeea61bdbd39f5bf67a31f6ca1276031e98c4eac099a4d65281cac205a6e309c7006c8f364ae97e378628dda55a1389c87f9222ddbafba4292320f76b52 |
memory/2588-5-0x00000000006F0000-0x00000000007F9000-memory.dmp
memory/2960-9-0x0000000000400000-0x0000000000509000-memory.dmp
memory/2960-11-0x0000000000400000-0x0000000000509000-memory.dmp
memory/2960-13-0x00000000001D0000-0x00000000001D2000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM6104.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2960-16-0x0000000077ABF000-0x0000000077AC1000-memory.dmp
memory/2960-18-0x0000000077AC0000-0x0000000077AC1000-memory.dmp
memory/2960-19-0x0000000077AC0000-0x0000000077AC2000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM61A1.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2960-22-0x0000000000400000-0x0000000000509000-memory.dmp
memory/2960-24-0x0000000076BA0000-0x0000000076CB0000-memory.dmp
memory/2960-23-0x0000000076BA0000-0x0000000076CB0000-memory.dmp
memory/2960-25-0x0000000076BA0000-0x0000000076CB0000-memory.dmp