Analysis Overview
SHA256
7c166c03d3ef485c8a35b8f18f071b2fe7db0391e901d2e29f357f147df2e83b
Threat Level: Known bad
The file 0f251531bd035ea28140b12cfdaaa6f1_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Ramnit
UPX packed file
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
2024-06-25 18:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-25 18:47
Reported
2024-06-25 18:50
Platform
win7-20240508-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 |
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 |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f251531bd035ea28140b12cfdaaa6f1_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f251531bd035ea28140b12cfdaaa6f1_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
Network
Files
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 4c410a652f3bbd4d6ef4952954a9e1bb |
| SHA1 | 9691dde43ff70e6d4353d47238b821654ece2f83 |
| SHA256 | e9db969dae2f5460a919ed4fbc65df8a6c6ef46dd2a82a6553d9ca73f9d427d0 |
| SHA512 | 8adce5cb0b72424869a6c3071159928c070e1193c13ebdbdb7ad453be7be958d9d842f933a6499d02ce81ef528e9d7b961c5f3dcbeec3617436c15b09b7b1849 |
memory/2012-1-0x0000000064870000-0x00000000648AA000-memory.dmp
memory/2064-9-0x0000000000220000-0x000000000028C000-memory.dmp
memory/2064-10-0x0000000000400000-0x000000000046C000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM1B4E.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2064-17-0x0000000000400000-0x000000000046C000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM1B7D.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-25 18:47
Reported
2024-06-25 18:50
Platform
win10v2004-20240508-en
Max time kernel
120s
Max time network
51s
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 |
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 2188 wrote to memory of 2976 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2188 wrote to memory of 2976 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2188 wrote to memory of 2976 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2976 wrote to memory of 4348 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 2976 wrote to memory of 4348 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 2976 wrote to memory of 4348 | 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\0f251531bd035ea28140b12cfdaaa6f1_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0f251531bd035ea28140b12cfdaaa6f1_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4348 -ip 4348
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4348 -s 10176
Network
Files
memory/2976-0-0x0000000064870000-0x00000000648AA000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 4c410a652f3bbd4d6ef4952954a9e1bb |
| SHA1 | 9691dde43ff70e6d4353d47238b821654ece2f83 |
| SHA256 | e9db969dae2f5460a919ed4fbc65df8a6c6ef46dd2a82a6553d9ca73f9d427d0 |
| SHA512 | 8adce5cb0b72424869a6c3071159928c070e1193c13ebdbdb7ad453be7be958d9d842f933a6499d02ce81ef528e9d7b961c5f3dcbeec3617436c15b09b7b1849 |
memory/4348-6-0x0000000000400000-0x000000000046C000-memory.dmp
memory/4348-5-0x00000000005E0000-0x000000000064C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM466F.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |