Analysis Overview
SHA256
bebb660832393fe58fcce244cddc6b10d98881fc43abdf835be52d8b803490ba
Threat Level: Known bad
The file 0987a85bec749b27b39d347d2f7c9b9f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Ramnit
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
2024-06-24 16:15
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-24 16:15
Reported
2024-06-24 16:18
Platform
win7-20240611-en
Max time kernel
119s
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 |
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\rundll32.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0987a85bec749b27b39d347d2f7c9b9f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0987a85bec749b27b39d347d2f7c9b9f_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 3040 -s 228
Network
Files
memory/3040-2-0x000000007C000000-0x000000007C07C000-memory.dmp
\Windows\SysWOW64\rundll32mgr.exe
| MD5 | d22c44525dacffd850f75b082f18071e |
| SHA1 | 229fa56324707512687e75de17e574dc91b08d95 |
| SHA256 | 0e896aab1b9e222cdc0978f0adb780fc5acfa492314eedc1ce9250bc1bdff029 |
| SHA512 | 7ff9a98b45bab4140e31b6be32ba80100124975371f106b78eb1f153b3f15f89516dfb03c6f9faad58e5137b76d8a70ce3d9ba5422aab495dc279d9d77e61c68 |
memory/2144-9-0x00000000002F0000-0x0000000000356000-memory.dmp
memory/2144-11-0x0000000000400000-0x0000000000466000-memory.dmp
\Users\Admin\AppData\Local\Temp\~TM7407.tmp
| MD5 | d124f55b9393c976963407dff51ffa79 |
| SHA1 | 2c7bbedd79791bfb866898c85b504186db610b5d |
| SHA256 | ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef |
| SHA512 | 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06 |
\Users\Admin\AppData\Local\Temp\~TM7476.tmp
| MD5 | 9b98d47916ead4f69ef51b56b0c2323c |
| SHA1 | 290a80b4ded0efc0fd00816f373fcea81a521330 |
| SHA256 | 96e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b |
| SHA512 | 68b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94 |
memory/2144-17-0x0000000000400000-0x0000000000466000-memory.dmp
memory/2144-19-0x00000000002F0000-0x0000000000356000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-24 16:15
Reported
2024-06-24 16:18
Platform
win10v2004-20240508-en
Max time kernel
147s
Max time network
150s
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\rundll32.exe |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 532 wrote to memory of 4116 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4116 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 532 wrote to memory of 4116 | N/A | C:\Windows\system32\rundll32.exe | C:\Windows\SysWOW64\rundll32.exe |
| PID 4116 wrote to memory of 1036 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4116 wrote to memory of 1036 | N/A | C:\Windows\SysWOW64\rundll32.exe | C:\Windows\SysWOW64\rundll32mgr.exe |
| PID 4116 wrote to memory of 1036 | 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\0987a85bec749b27b39d347d2f7c9b9f_JaffaCakes118.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\0987a85bec749b27b39d347d2f7c9b9f_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 4116 -ip 4116
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 1036 -ip 1036
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 608
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1036 -s 10176
Network
Files
C:\Windows\SysWOW64\rundll32mgr.exe
| MD5 | d22c44525dacffd850f75b082f18071e |
| SHA1 | 229fa56324707512687e75de17e574dc91b08d95 |
| SHA256 | 0e896aab1b9e222cdc0978f0adb780fc5acfa492314eedc1ce9250bc1bdff029 |
| SHA512 | 7ff9a98b45bab4140e31b6be32ba80100124975371f106b78eb1f153b3f15f89516dfb03c6f9faad58e5137b76d8a70ce3d9ba5422aab495dc279d9d77e61c68 |
memory/4116-1-0x000000007C000000-0x000000007C07C000-memory.dmp
memory/1036-7-0x0000000000400000-0x0000000000466000-memory.dmp
memory/1036-6-0x00000000020F0000-0x0000000002156000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~TM4E5E.tmp
| MD5 | 4f3387277ccbd6d1f21ac5c07fe4ca68 |
| SHA1 | e16506f662dc92023bf82def1d621497c8ab5890 |
| SHA256 | 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac |
| SHA512 | 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219 |
memory/4116-10-0x000000007C000000-0x000000007C07C000-memory.dmp