Analysis Overview
SHA256
525b825ce0609297d21dc70c1f0886bb6876c2368ce04348aac1e39ecd161d17
Threat Level: Shows suspicious behavior
The file e572e8ba020ed9dfe9c846cdf0ab6338_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 AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-07 17:17
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
2024-04-07 17:17
Reported
2024-04-07 17:19
Platform
win7-20240220-en
Max time kernel
140s
Max time network
119s
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 |
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\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.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\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1656 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1656 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1656 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1656 wrote to memory of 1724 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/1656-0-0x0000000000A60000-0x0000000000A77000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1724-12-0x0000000000230000-0x0000000000247000-memory.dmp
memory/1656-9-0x0000000000070000-0x0000000000087000-memory.dmp
memory/1656-8-0x0000000000A60000-0x0000000000A77000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\VJRGTpgQ95r30W8.exe
| MD5 | 4ace9a6330e8d28a472adfcebb65cb45 |
| SHA1 | eaac87bd1159ea0a64e71d16436f524ae2c4de77 |
| SHA256 | 67c51e0fa4da2abb4e6d26b039a1d56fc9f6e9fa7cde7f051e5c2648caaa09cb |
| SHA512 | 57f0a7bef30d8edf4c31210adfe66c89bb5c13ed4b484923cb846daa5b4a1b3e0e440bd44d5dc9cd4c38d045cfc6ae3ecd1a7b65d413e6b28e2a13d1968c14a3 |
memory/1656-18-0x0000000000070000-0x0000000000087000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 17:17
Reported
2024-04-07 17:19
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
155s
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\e572e8ba020ed9dfe9c846cdf0ab6338_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\e572e8ba020ed9dfe9c846cdf0ab6338_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\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1348 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1348 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1348 wrote to memory of 4120 | N/A | C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e572e8ba020ed9dfe9c846cdf0ab6338_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 64.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.143.109.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 12.173.189.20.in-addr.arpa | udp |
Files
memory/1348-0-0x0000000000A10000-0x0000000000A27000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1348-9-0x0000000000A10000-0x0000000000A27000-memory.dmp
memory/4120-7-0x0000000000EA0000-0x0000000000EB7000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 076334d59338ed2cb590fd14c4cae8a7 |
| SHA1 | 10e227a419ed9b4fe150151d4837afcd779cc466 |
| SHA256 | 0454790a2716ec22ecba2bb9c782a955d0c5e572306179605385d4e3a1070102 |
| SHA512 | 3f23a771fd02248132bdb5b6c50124e4bbeaa75a27add21229193c7295fedf8eec427abddd32b844e87c3e283d9ebc6ea6ca73232ab4dbb42002f32b0931eb27 |
C:\Users\Admin\AppData\Local\Temp\oekzsBypckYVE9L.exe
| MD5 | 2f24aac91556f8d8a1f8fa6d513622dc |
| SHA1 | ca29b87355efcc3b84baa33021553055eb0d7b93 |
| SHA256 | f2d6861709482f0653235ea764f848b03b5f7d7f7a8d7a0cc05b026c455b6999 |
| SHA512 | 8e1968a685beda1a4905364131a054bf7b3fddeccbdfdc9b43981d6b8a3a84bb20887d363805942e29ee717394a7d3c3dd99b6b9a739e9ce9ecf234b2e910570 |
memory/4120-32-0x0000000000EA0000-0x0000000000EB7000-memory.dmp