Analysis Overview
SHA256
1dbb20ec25119ceba967e4fb7d2cb0b3b6fb2a4febd5b001f4adabe5da7cab8a
Threat Level: Shows suspicious behavior
The file e64fb9e075b05d27ed6481515527e067_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Reads user/profile data of web browsers
UPX packed file
Loads dropped DLL
Adds Run key to start application
Drops file in Windows directory
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-08 01:23
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
2024-04-08 01:23
Reported
2024-04-08 01:25
Platform
win7-20231129-en
Max time kernel
140s
Max time network
121s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.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\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_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 |
| 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\e64fb9e075b05d27ed6481515527e067_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\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\KF6E5M~1.EXE \"%1\"" | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph" | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph" | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe
C:\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2356-1-0x0000000000910000-0x0000000000927000-memory.dmp
\Users\Admin\AppData\Local\Temp\kf6E5MMIBojIj4A.exe
| MD5 | 880e155f8f47fb0db7b2080e71d59568 |
| SHA1 | 2ed0c0f809765bbabd8c7d4f58e9a0bacf2bb629 |
| SHA256 | 6011cd7d1a314d109bc0755d17be2e7812b2f5542ec24f3f3023532c1e8a1d44 |
| SHA512 | 70977d36b8ec8c271c5ffd3303677743a2626196bb62af5d817e86a7eeed972bbb70acdd81508f7b4ee1da366ce02cd96a8d0e6f11627842f195cfd0c53a5bec |
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2356-14-0x0000000000910000-0x0000000000927000-memory.dmp
memory/2356-16-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/2356-9-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/2228-20-0x0000000001290000-0x00000000012A7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-08 01:23
Reported
2024-04-08 01:25
Platform
win10v2004-20240226-en
Max time kernel
150s
Max time network
150s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.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:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_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\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Windows\CTS.exe | N/A |
Modifies registry class
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\EQKAC7~1.EXE \"%1\"" | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\.GRF\ = "GraphEdtGraph" | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\ = "Filter Graph" | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Classes\GraphEdtGraph\shell\open\command | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2504 wrote to memory of 4176 | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe |
| PID 2504 wrote to memory of 4176 | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe |
| PID 2504 wrote to memory of 408 | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2504 wrote to memory of 408 | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2504 wrote to memory of 408 | N/A | C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e64fb9e075b05d27ed6481515527e067_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe
C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 144.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 217.106.137.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 20.231.121.79:80 | tcp | |
| 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 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 203.107.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | udp |
Files
memory/2504-0-0x0000000000800000-0x0000000000817000-memory.dmp
memory/408-10-0x00000000008A0000-0x00000000008B7000-memory.dmp
memory/2504-8-0x0000000000800000-0x0000000000817000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
C:\Users\Admin\AppData\Local\Temp\EQkac7WtLhaCi6H.exe
| MD5 | 880e155f8f47fb0db7b2080e71d59568 |
| SHA1 | 2ed0c0f809765bbabd8c7d4f58e9a0bacf2bb629 |
| SHA256 | 6011cd7d1a314d109bc0755d17be2e7812b2f5542ec24f3f3023532c1e8a1d44 |
| SHA512 | 70977d36b8ec8c271c5ffd3303677743a2626196bb62af5d817e86a7eeed972bbb70acdd81508f7b4ee1da366ce02cd96a8d0e6f11627842f195cfd0c53a5bec |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | cecf39169f30ebe6942389507bb1f1b0 |
| SHA1 | ea44d53f5cfc07ca3fbefbd16e0d4f663ece9b50 |
| SHA256 | 4326386542267aadaede9d8644e33217f9de259bab73466fe63e8f920309227f |
| SHA512 | 1a55cdca9690259e34ba31d7e7fe7b330d88ad03cb0c528982b58e720ba3de32556529a4e35bfbe4a62d111e76de75f852c02c11cd152c5b2253d63648f287a4 |