Analysis Overview
SHA256
2813b4a5697aec08070305dafa5f7d0cbcc46d407357521430382fa52eb0f05a
Threat Level: Shows suspicious behavior
The file e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Loads dropped DLL
Executes dropped EXE
Reads user/profile data of web browsers
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 21:38
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
2024-04-06 21:38
Reported
2024-04-06 21:40
Platform
win7-20240221-en
Max time kernel
141s
Max time network
126s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\IL5DyGdTDiQfMlw.exe | N/A |
| N/A | N/A | C:\Windows\CTS.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.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\e357eba2783a9cfbb6bf4b530b547a51_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\e357eba2783a9cfbb6bf4b530b547a51_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\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\IL5DyGdTDiQfMlw.exe
C:\Users\Admin\AppData\Local\Temp\IL5DyGdTDiQfMlw.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2020-0-0x0000000000FA0000-0x0000000000FB7000-memory.dmp
\Users\Admin\AppData\Local\Temp\IL5DyGdTDiQfMlw.exe
| MD5 | 015207664f86b0d334146d7bc7551a0f |
| SHA1 | b466beca074c3c4a500bfa00fd691cf0fe300d8c |
| SHA256 | 3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc |
| SHA512 | 6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657 |
memory/2020-11-0x0000000000FA0000-0x0000000000FB7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/2020-14-0x0000000000E90000-0x0000000000EA7000-memory.dmp
memory/2312-15-0x0000000000E90000-0x0000000000EA7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 21:38
Reported
2024-04-06 21:40
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
149s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe | N/A |
| 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 |
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:\Windows\CTS.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CTS = "C:\\Windows\\CTS.exe" | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_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\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1032 wrote to memory of 4476 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe |
| PID 1032 wrote to memory of 4476 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe |
| PID 1032 wrote to memory of 4476 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe |
| PID 1032 wrote to memory of 3936 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1032 wrote to memory of 3936 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1032 wrote to memory of 3936 | N/A | C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e357eba2783a9cfbb6bf4b530b547a51_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe
C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 76.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.71.91.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/1032-0-0x0000000000D30000-0x0000000000D47000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\RSMZzmsio42qqpx.exe
| MD5 | 015207664f86b0d334146d7bc7551a0f |
| SHA1 | b466beca074c3c4a500bfa00fd691cf0fe300d8c |
| SHA256 | 3212cacc4d669f381ad1048e43726ec2841de32135438992c55f792bf03beafc |
| SHA512 | 6ced0d294fd9c330cab20739336c6cd4c1e202d521fd41c6fd6bdfe7e720247c84ac10a7e25855d3cc9b08f2d9251798eb52383527a9363c5126a6b205ff0657 |
C:\Windows\CTS.exe
| MD5 | 93e5f18caebd8d4a2c893e40e5f38232 |
| SHA1 | fd55c4e6bcd108bce60ea719c06dc9c4d0adafa6 |
| SHA256 | a66c4b98becac2f69cb107cd087d7a2ca9ef511bc3b83367b1f440f11dd159a8 |
| SHA512 | 986583610d27caae2080834301d072557c5d2c85e33f0d19ab1245d7eae8db146397461572ddb3d491be16f3af210720d54267dac838fdad8fe34afa3d6b7f54 |
memory/1032-7-0x0000000000D30000-0x0000000000D47000-memory.dmp
memory/3936-9-0x00000000007C0000-0x00000000007D7000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 2894df299a8da301232f5ad6f56506d0 |
| SHA1 | 966d1016e1987e39c5e22afe90e77424d7b067be |
| SHA256 | 44baedb98cbb64be93c3cfd5083a52ba71e5cedb201d9721c8caa0a7ba53c474 |
| SHA512 | cc498f4efd535c51e0fd1bf7c621b20fcc980b14e94a19722faba5cb306d4057051d7b7de4e23af34daffda8343a3abf85e9ee157ee72c5ffc0232b99fa84bbb |