Analysis Overview
SHA256
b1da42e09f4e4e6219f0c4413fceeef373c6da58ad1c5acfd6d7ef8debbca389
Threat Level: Known bad
The file 107825b7bd56d3fd7ced2683a5f8b25f_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
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-10-03 20:52
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-10-03 20:52
Reported
2024-10-03 20:54
Platform
win7-20240708-en
Max time kernel
117s
Max time network
119s
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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.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 |
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 WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32mgr.exe
C:\Windows\SysWOW64\rundll32mgr.exe
Network
Files
memory/2196-2-0x0000000010000000-0x0000000010054000-memory.dmp
memory/2196-1-0x0000000010000000-0x0000000010054000-memory.dmp
memory/2640-12-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | c9c4a336475a11e54749da86bdcf4a10 |
| SHA1 | 37d4bdddfce9b9e3b14b9480bbacfbf5842690d8 |
| SHA256 | ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1 |
| SHA512 | 55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982 |
memory/2196-10-0x0000000000690000-0x00000000006CB000-memory.dmp
memory/2196-7-0x0000000000690000-0x00000000006CB000-memory.dmp
memory/2640-13-0x00000000003A0000-0x00000000003DB000-memory.dmp
memory/2640-14-0x0000000000400000-0x000000000043B000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM3553.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
memory/2640-18-0x0000000000400000-0x000000000043B000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM35A2.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2640-23-0x00000000003A0000-0x00000000003DB000-memory.dmp
memory/2640-25-0x0000000000400000-0x000000000043B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-10-03 20:52
Reported
2024-10-03 20:54
Platform
win10v2004-20240802-en
Max time kernel
94s
Max time network
122s
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 |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32mgr.exe | C:\Windows\SysWOW64\rundll32.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| 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 |
| 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 |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2244 wrote to memory of 4012 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2244 wrote to memory of 4012 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 2244 wrote to memory of 4012 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4012 wrote to memory of 3688 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4012 wrote to memory of 3688 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4012 wrote to memory of 3688 | 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\107825b7bd56d3fd7ced2683a5f8b25f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\107825b7bd56d3fd7ced2683a5f8b25f_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 408 -p 4012 -ip 4012
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 3688 -ip 3688
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3688 -s 10180
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 628
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 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.190.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.212.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 66.209.201.84.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/4012-0-0x0000000010000000-0x0000000010054000-memory.dmp
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | c9c4a336475a11e54749da86bdcf4a10 |
| SHA1 | 37d4bdddfce9b9e3b14b9480bbacfbf5842690d8 |
| SHA256 | ee2ff34f4632ff1bc66c5ca5a89b6ad630eda15976120652dc4d4ed399df1cc1 |
| SHA512 | 55f290d69bd092a221ef5e333d3b7ad1bfc654ded73d47f869a5cf2b8f5db638716d5681e019f717e0590a3b5a4bb96b01bded98336f7677be18de4886cdd982 |
memory/3688-4-0x0000000000400000-0x000000000043B000-memory.dmp
memory/3688-6-0x0000000002050000-0x000000000208B000-memory.dmp
memory/3688-7-0x0000000000400000-0x000000000043B000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TMAAD6.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4012-11-0x0000000010000000-0x0000000010054000-memory.dmp
memory/3688-13-0x0000000002050000-0x000000000208B000-memory.dmp