Analysis Overview
SHA256
3ac0de457e30c3bc0e0e75e2484e68b8aeeb7afb2aff2db0ca98e586e7cd9185
Threat Level: Known bad
The file 16b114fc96af79e4350fadc999b268b0_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Ramnit
Loads dropped DLL
Executes dropped EXE
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 07:16
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-05 07:16
Reported
2024-10-05 07:19
Platform
win7-20240708-en
Max time kernel
122s
Max time network
123s
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\rundll32mgrmgr.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 |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgrmgr.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 |
| File created | C:\Windows\SysWOW64\rundll32mgrmgr.exe | 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 |
| 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 |
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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2640 -s 224
C:\Windows\SysWOW64\rundll32mgrmgr.exe
C:\Windows\SysWOW64\rundll32mgrmgr.exe
Network
Files
memory/2640-1-0x0000000010000000-0x00000000100D6000-memory.dmp
memory/2640-2-0x0000000010000000-0x00000000100D6000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 737ad0e202cbc77fe21b05a97018fd17 |
| SHA1 | d0c6ceff6779c02d6e9b7180a06369562fd96b1c |
| SHA256 | 68e13ea527498c03274b46fd29bb2fa54f3c064c3a4d4299e8ab6f95c3afed34 |
| SHA512 | dcd8dae554d55ac711024ec47aa3ba8a54cbd6b464e69ceb0f035f8b7930cddf8d42cfc7b0d34a621982134698f33a687091ed545ee8fca898db86468b55bae6 |
memory/2640-5-0x0000000001E70000-0x0000000001F2C000-memory.dmp
\Windows\SysWOW64\rundll32mgrmgr.exe
| MD5 | b42f5caf5d8471c34605faac7f278571 |
| SHA1 | 8baf865dee9f3011fb467afe0f22cfd5bb5c5d47 |
| SHA256 | 38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c |
| SHA512 | 2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44 |
memory/2744-20-0x0000000000270000-0x000000000032C000-memory.dmp
memory/2744-19-0x0000000000270000-0x00000000002F1000-memory.dmp
memory/2744-18-0x0000000000270000-0x00000000002F1000-memory.dmp
memory/2064-24-0x0000000000400000-0x0000000000481000-memory.dmp
memory/2064-26-0x0000000000400000-0x0000000000481000-memory.dmp
memory/2744-23-0x0000000000400000-0x00000000004BC000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM3C8.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2064-36-0x0000000000400000-0x0000000000481000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM407.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2744-40-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/2744-42-0x0000000000270000-0x000000000032C000-memory.dmp
memory/2744-41-0x0000000000270000-0x00000000002F1000-memory.dmp
memory/2640-43-0x0000000010000000-0x00000000100D6000-memory.dmp
memory/2640-44-0x0000000001E70000-0x0000000001F2C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-05 07:16
Reported
2024-10-05 07:19
Platform
win10v2004-20240802-en
Max time kernel
93s
Max time network
141s
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\rundll32mgrmgr.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32mgrmgr.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 |
| File created | C:\Windows\SysWOW64\rundll32mgrmgr.exe | 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 |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| 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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32mgrmgr.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4152 wrote to memory of 3596 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4152 wrote to memory of 3596 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4152 wrote to memory of 3596 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 3596 wrote to memory of 1636 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 3596 wrote to memory of 1636 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 3596 wrote to memory of 1636 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 1636 wrote to memory of 3456 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| PID 1636 wrote to memory of 3456 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
| PID 1636 wrote to memory of 3456 | N/A | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32mgrmgr.exe |
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\16b114fc96af79e4350fadc999b268b0_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgrmgr.exe
C:\Windows\SysWOW64\rundll32mgrmgr.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3596 -ip 3596
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3456 -ip 3456
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1636 -ip 1636
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3456 -s 10176
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1636 -s 10184
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3596 -s 580
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 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
Files
memory/3596-1-0x0000000010000000-0x00000000100D6000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | 737ad0e202cbc77fe21b05a97018fd17 |
| SHA1 | d0c6ceff6779c02d6e9b7180a06369562fd96b1c |
| SHA256 | 68e13ea527498c03274b46fd29bb2fa54f3c064c3a4d4299e8ab6f95c3afed34 |
| SHA512 | dcd8dae554d55ac711024ec47aa3ba8a54cbd6b464e69ceb0f035f8b7930cddf8d42cfc7b0d34a621982134698f33a687091ed545ee8fca898db86468b55bae6 |
memory/1636-5-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3456-10-0x0000000000400000-0x0000000000481000-memory.dmp
C:\Windows\SysWOW64\rundll32mgrmgr.exe
| MD5 | b42f5caf5d8471c34605faac7f278571 |
| SHA1 | 8baf865dee9f3011fb467afe0f22cfd5bb5c5d47 |
| SHA256 | 38d89c5a881ec75d8f08139f374c8f7aa1aa22d0df211f31a82f9ef6fcb25d8c |
| SHA512 | 2ce01499790db18f53043638cca357363cf993cefbd050e32a7c2f802f5bd0c58bef62da35050b6faef713cc030277bdc90a44922618808dd1573ca35f0fcb44 |
C:\Users\Admin\AppData\Local\Temp\~TM8C42.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/3456-12-0x0000000002020000-0x00000000020A1000-memory.dmp
memory/1636-17-0x0000000000400000-0x00000000004BC000-memory.dmp
memory/3456-16-0x0000000000400000-0x0000000000481000-memory.dmp
memory/1636-15-0x0000000002180000-0x000000000223C000-memory.dmp
memory/3596-21-0x0000000010000000-0x00000000100D6000-memory.dmp