Analysis Overview
SHA256
9b0947c245b33bfca8adbdb1637c304aac1893db2c6779689b1287da222509ee
Threat Level: Shows suspicious behavior
The file e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Reads user/profile data of web browsers
UPX packed file
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:07
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: behavioral2
Detonation Overview
Submitted
2024-04-08 01:07
Reported
2024-04-08 01:10
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
127s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1260 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1260 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1260 wrote to memory of 2328 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 71.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/1260-0-0x0000000000370000-0x0000000000387000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2328-8-0x0000000000BE0000-0x0000000000BF7000-memory.dmp
memory/1260-7-0x0000000000370000-0x0000000000387000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 15298a05bbcd423db28574a46469c570 |
| SHA1 | c48d3bf0d1e49db6e03c1b7d9610077488ca62f8 |
| SHA256 | 9aac3651a08b31af4564b065dff7678d700bf9658353752fcac235fce93e2db1 |
| SHA512 | 926d707857a20a03e8a8a83d999e9ea282fe0cfa4c3b7595f54bd6f3acf5bce4598fdbb4f0d3eab7cffbeb97bf3e40e0648a0f79bd0114658453f2e6dd3b21e8 |
C:\Users\Admin\AppData\Local\Temp\bMZwJZbbjROS47u.exe
| MD5 | 99a17225f44b19320941885b6d5d4aa3 |
| SHA1 | b28e07fbde49731670eca05dbdd0264ef11566f9 |
| SHA256 | d3329cf7397654a7d111030c86f0722c34dfa91f63730509fed2d18de0f5192e |
| SHA512 | 934884b3e98d0934761cb22d0c610273394d8d366fddc3895b9e008bf144a9a3511db5d3b6d1501e3cca1af39f0622906d83858ad38a71f5b8ea4b2228720064 |
memory/2328-32-0x0000000000BE0000-0x0000000000BF7000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-08 01:07
Reported
2024-04-08 01:10
Platform
win7-20240215-en
Max time kernel
140s
Max time network
122s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Reads user/profile data of web browsers
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 |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Windows\CTS.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1888 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1888 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1888 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1888 wrote to memory of 2504 | N/A | C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e6491b6bc0e1d5f32d4cb9380a55c322_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/1888-0-0x0000000000850000-0x0000000000867000-memory.dmp
memory/1888-8-0x0000000000850000-0x0000000000867000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1888-11-0x0000000000070000-0x0000000000087000-memory.dmp
memory/2504-12-0x00000000001B0000-0x00000000001C7000-memory.dmp
memory/1888-18-0x0000000000070000-0x0000000000087000-memory.dmp