Analysis Overview
SHA256
76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2aceb
Threat Level: Known bad
The file 76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2acebN was found to be: Known bad.
Malicious Activity Summary
Ramnit
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Suspicious use of SetThreadContext
System Location Discovery: System Language Discovery
Program crash
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-03 22:01
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-03 22:01
Reported
2024-10-03 22:03
Platform
win7-20240903-en
Max time kernel
73s
Max time network
17s
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\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 |
| 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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2844 set thread context of 2684 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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\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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | 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\76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2acebN.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2acebN.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
"C:\Windows\SysWOW64\rundll32mgr.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2684 -s 100
Network
Files
memory/2184-1-0x00000000627F0000-0x0000000062835000-memory.dmp
memory/2184-2-0x00000000627F0000-0x0000000062835000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | a758bae992041958e59e16e303fccb6e |
| SHA1 | ed836b5a0d9af7107b86969691078bf9eebf9a3c |
| SHA256 | 393f0b4ef739ec6b1f6eb242586d40e7d927211d6c6100fa1f3642a76a83b615 |
| SHA512 | 8e4efadbe72e6a6eec55a81d075fc903c32f46ca950989c7029c3df3bb6a7adef97d69bbc5d93fff38dc5aed18fa011efbb31d39f440f2003b73ff5a280bf48a |
memory/2844-12-0x0000000000020000-0x0000000000023000-memory.dmp
memory/2844-11-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2184-10-0x00000000001C0000-0x0000000000212000-memory.dmp
memory/2684-17-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2684-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2684-21-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2684-26-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2844-29-0x0000000000400000-0x0000000000452000-memory.dmp
memory/2684-30-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2684-25-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2684-24-0x0000000000400000-0x0000000000463000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TMEBD5.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2684-33-0x000000007734F000-0x0000000077351000-memory.dmp
memory/2684-34-0x0000000077350000-0x0000000077351000-memory.dmp
memory/2684-35-0x0000000077350000-0x0000000077352000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TMEC43.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2684-41-0x0000000074DD0000-0x0000000074EE0000-memory.dmp
memory/2684-40-0x0000000074E64000-0x0000000074E65000-memory.dmp
memory/2684-42-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2684-44-0x0000000074DD0000-0x0000000074EE0000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-03 22:01
Reported
2024-10-03 22:03
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
95s
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\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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4132 set thread context of 2564 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| 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\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 SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | 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\76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2acebN.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76bed869ea5c171ad0dd786c3b75ff8c5290934fabf9a3c3ac5b977935a2acebN.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
"C:\Windows\SysWOW64\rundll32mgr.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2564 -ip 2564
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2564 -s 304
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 | 149.220.183.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4132-5-0x0000000000400000-0x0000000000452000-memory.dmp
memory/4132-6-0x00000000001C0000-0x00000000001C3000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | a758bae992041958e59e16e303fccb6e |
| SHA1 | ed836b5a0d9af7107b86969691078bf9eebf9a3c |
| SHA256 | 393f0b4ef739ec6b1f6eb242586d40e7d927211d6c6100fa1f3642a76a83b615 |
| SHA512 | 8e4efadbe72e6a6eec55a81d075fc903c32f46ca950989c7029c3df3bb6a7adef97d69bbc5d93fff38dc5aed18fa011efbb31d39f440f2003b73ff5a280bf48a |
memory/1192-1-0x00000000627F0000-0x0000000062835000-memory.dmp
memory/2564-13-0x0000000000400000-0x0000000000463000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM68EB.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4132-19-0x0000000000400000-0x0000000000452000-memory.dmp
memory/4132-18-0x00000000001C0000-0x00000000001C3000-memory.dmp
memory/2564-15-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2564-14-0x0000000000400000-0x0000000000463000-memory.dmp
memory/2564-9-0x0000000000400000-0x0000000000463000-memory.dmp