Analysis Overview
SHA256
a4aa441fe90301ac47c93688a4f652042224fa740406ad62b65befcb3e5917ea
Threat Level: Shows suspicious behavior
The file e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
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
2024-04-07 20:23
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 20:23
Reported
2024-04-07 20:25
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:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_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\e5c8465b257f9f5c6b422f38d66af4f9_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\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2080 wrote to memory of 1924 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2080 wrote to memory of 1924 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2080 wrote to memory of 1924 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2080 wrote to memory of 1924 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2080-0-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/2080-11-0x0000000000100000-0x0000000000117000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1924-12-0x0000000000970000-0x0000000000987000-memory.dmp
memory/2080-8-0x00000000000E0000-0x00000000000F7000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ebRhHoL539saRde.exe
| MD5 | c04ebab4a115b9f562b0d467195a5bfa |
| SHA1 | 338fb8342f0d2cd1092152767abc564288d3b8e4 |
| SHA256 | 45b58a0cf1b3456c2ef306d789be325b4deed7edc3fe5a42ca560a8287756794 |
| SHA512 | 59cd884dafb8b329bbbca5c1a1154db3b9a00d41e38945b6571a5c18a4170c21f5fc0e34d6fd487833d415ab5669f56fdaf5145a29071359fd406cf95af31717 |
memory/2080-18-0x0000000000100000-0x0000000000117000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 20:23
Reported
2024-04-07 20:25
Platform
win10v2004-20240226-en
Max time kernel
146s
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\e5c8465b257f9f5c6b422f38d66af4f9_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\e5c8465b257f9f5c6b422f38d66af4f9_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\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1480 wrote to memory of 920 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1480 wrote to memory of 920 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 1480 wrote to memory of 920 | N/A | C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e5c8465b257f9f5c6b422f38d66af4f9_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| GB | 23.44.234.16:80 | tcp | |
| US | 8.8.8.8:53 | 79.121.231.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 78.117.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 159.113.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/1480-0-0x0000000000790000-0x00000000007A7000-memory.dmp
memory/1480-7-0x0000000000790000-0x00000000007A7000-memory.dmp
memory/920-9-0x00000000009A0000-0x00000000009B7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | def8139c87581c9d2ca3061e851b67eb |
| SHA1 | c888e6f7683b85c331f2bfd3f5a799932d394fc6 |
| SHA256 | 6881d0551f1eb8cae7153344767017547f4b6bbabab44a82e7453d1db076093d |
| SHA512 | 095682e93459ec5efafc2a9f5b13e66684fe3790c16d34bd2c68b7fd3886d2cdb0838a60ab61fc7411e6478cd11165ee8d15a00767e1824c97cd5bd164725e2e |
C:\Users\Admin\AppData\Local\Temp\jj8x3rj9IqSKg9z.exe
| MD5 | 5804916f771131f72a2255b6ce113e86 |
| SHA1 | 4a80e13321a176a692b4769471947106c28bdc09 |
| SHA256 | 09070c5e55122113f10e8c38e4514a06848d37e18922429551dc1e0909876702 |
| SHA512 | f78b3dc74ac2ab6076e11af6fdfa0224e8a69fbca4e9f7dfaf1b3d3e2930c5bf4a8909632e4aa394914b539778eba6192f2cc40482094761f888b0a6e3856981 |
memory/920-32-0x00000000009A0000-0x00000000009B7000-memory.dmp