Analysis Overview
SHA256
97fbe9b8a6b66b7817fae7b6e445f3c6093d1db804b1160d0fa8bd51b67e58a1
Threat Level: Shows suspicious behavior
The file ab442d3874632b3b230b547ad1160bdc_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
UPX packed file
Writes to the Master Boot Record (MBR)
Unsigned PE
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 20:14
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 20:14
Reported
2024-06-14 20:17
Platform
win7-20240220-en
Max time kernel
141s
Max time network
123s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.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 |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2920 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp |
| PID 2920 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp |
| PID 2920 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp |
| PID 2920 wrote to memory of 2228 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp |
Processes
C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp
C:\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp 0000_2014/3.7980.21280/2 startinstall
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | installStatistic.xunyou.com | udp |
| CN | 101.200.190.178:8020 | installStatistic.xunyou.com | udp |
| CN | 101.200.190.178:9220 | installStatistic.xunyou.com | udp |
Files
\Users\Admin\AppData\Local\Temp\Ver1EA8.tmp
| MD5 | 83f56b363eaf6bd2766ebacf70995bcb |
| SHA1 | cecb73bd12537567b14784541546760badc175d6 |
| SHA256 | 0d3ad00de0f06289d7919e66a4956d281473d20b256a5aed2903c5a6acfde74e |
| SHA512 | 5252638dde71d938e7d999ff1b485181e0771baa7e5b55e316eddbd2fdb1c6da14b878c279ebd85d826d604160acd2d354b24bff58bea6a841d6e907c0f82fa9 |
memory/2920-6-0x0000000000400000-0x000000000204B000-memory.dmp
memory/2920-7-0x00000000001C0000-0x00000000001C1000-memory.dmp
memory/2920-8-0x0000000000400000-0x000000000204B000-memory.dmp
memory/2920-10-0x00000000001C0000-0x00000000001C1000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 20:14
Reported
2024-06-14 20:17
Platform
win10v2004-20240508-en
Max time kernel
142s
Max time network
58s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp | 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 |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1892 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp |
| PID 1892 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp |
| PID 1892 wrote to memory of 1988 | N/A | C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp |
Processes
C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\ab442d3874632b3b230b547ad1160bdc_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp
C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp 0000_2014/3.7980.21280/2 startinstall
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | installStatistic.xunyou.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\Ver4546.tmp
| MD5 | 83f56b363eaf6bd2766ebacf70995bcb |
| SHA1 | cecb73bd12537567b14784541546760badc175d6 |
| SHA256 | 0d3ad00de0f06289d7919e66a4956d281473d20b256a5aed2903c5a6acfde74e |
| SHA512 | 5252638dde71d938e7d999ff1b485181e0771baa7e5b55e316eddbd2fdb1c6da14b878c279ebd85d826d604160acd2d354b24bff58bea6a841d6e907c0f82fa9 |
memory/1892-5-0x0000000000400000-0x000000000204B000-memory.dmp
memory/1892-6-0x00000000024C0000-0x00000000024C1000-memory.dmp
memory/1892-7-0x0000000000400000-0x000000000204B000-memory.dmp
memory/1892-9-0x00000000024C0000-0x00000000024C1000-memory.dmp