Analysis Overview
SHA256
7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460
Threat Level: Known bad
The file 7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460 was found to be: Known bad.
Malicious Activity Summary
Ramnit
UPX dump on OEP (original entry point)
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Analysis: static1
Detonation Overview
Reported
2024-03-29 22:38
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-29 22:38
Reported
2024-03-29 22:41
Platform
win7-20240221-en
Max time kernel
117s
Max time network
120s
Command Line
Signatures
Ramnit
UPX dump on OEP (original entry point)
| 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 |
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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | 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\rundll32mgr.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2032 -s 180
Network
Files
memory/2028-2-0x0000000010000000-0x000000001003D000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 2ad7467eeceedd64b8bd4f6e04c3cd49 |
| SHA1 | d6c5d9878dc49ae9b531d61283609e207154a921 |
| SHA256 | 2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9 |
| SHA512 | 7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a |
memory/2032-13-0x0000000000440000-0x0000000000472000-memory.dmp
memory/2032-11-0x0000000000400000-0x0000000000432000-memory.dmp
memory/2028-9-0x0000000000190000-0x00000000001C2000-memory.dmp
memory/2028-3-0x0000000000190000-0x00000000001C2000-memory.dmp
memory/2032-14-0x0000000000400000-0x0000000000432000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM3997.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2032-17-0x000000007746F000-0x0000000077471000-memory.dmp
memory/2032-19-0x0000000077470000-0x0000000077472000-memory.dmp
memory/2032-18-0x0000000077470000-0x0000000077471000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM3A24.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2032-23-0x0000000076730000-0x0000000076840000-memory.dmp
memory/2032-24-0x0000000076730000-0x0000000076840000-memory.dmp
memory/2032-25-0x0000000000400000-0x0000000000432000-memory.dmp
memory/2032-26-0x0000000076730000-0x0000000076840000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-29 22:38
Reported
2024-03-29 22:41
Platform
win10v2004-20240226-en
Max time kernel
145s
Max time network
159s
Command Line
Signatures
Ramnit
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
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 |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | 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\rundll32mgr.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1516 wrote to memory of 768 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1516 wrote to memory of 768 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 1516 wrote to memory of 768 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 768 wrote to memory of 1520 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 768 wrote to memory of 1520 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 768 wrote to memory of 1520 | 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\7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7be02983687a86adb2890f2e3cadd002f10875475fa7b3902930366690bec460.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1520 -ip 1520
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1520 -s 536
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 40.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 2.173.189.20.in-addr.arpa | udp |
Files
memory/768-0-0x0000000010000000-0x000000001003D000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 2ad7467eeceedd64b8bd4f6e04c3cd49 |
| SHA1 | d6c5d9878dc49ae9b531d61283609e207154a921 |
| SHA256 | 2aab17b2f18dfb70cd737b27b1a438ad8878889070a6e025b3684483054f60c9 |
| SHA512 | 7a647d4a8de90d11cd5afb82ace8354869af0893f28afcf9491d1d4de421315d9a394a5d3462d88c0eff6c5a7a4ed41897d8d0498b59b4b7428ddbb61786be2a |
memory/1520-5-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1520-6-0x0000000000400000-0x0000000000432000-memory.dmp
memory/1520-7-0x00000000005A0000-0x00000000005D2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM877F.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/1520-11-0x0000000077D72000-0x0000000077D74000-memory.dmp
memory/1520-12-0x0000000077D72000-0x0000000077D73000-memory.dmp