Analysis Overview
SHA256
a5ee5b2c038b987e9f3f78fd8061b9722177aae1aa34eb1e66d6e574450b8174
Threat Level: Shows suspicious behavior
The file e39083f597818cfb8854ea073c60ed80_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
UPX packed file
Reads user/profile data of web browsers
Executes dropped EXE
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 23:41
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 23:41
Reported
2024-04-06 23:43
Platform
win7-20240221-en
Max time kernel
140s
Max time network
123s
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 |
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\e39083f597818cfb8854ea073c60ed80_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\e39083f597818cfb8854ea073c60ed80_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\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2524 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2524 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2524 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2524 wrote to memory of 1304 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2524-1-0x0000000001110000-0x0000000001127000-memory.dmp
memory/2524-8-0x0000000001110000-0x0000000001127000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/2524-11-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/1304-12-0x0000000000950000-0x0000000000967000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\dVHNWLwlBSRaC9F.exe
| MD5 | 5ae00aca4c6f3ff942d634fcb0faec00 |
| SHA1 | 5e8f063541457e8b25a543a867675824419aaff9 |
| SHA256 | ff931cd2b623a69869e266c5f2c3e348743f65b10895d931ae930382a63c1349 |
| SHA512 | 6cb433e6fb43207c605c430ef0b0e228ce097273c144513e37062652987f5ac49f6a0fba73011da9c1366bac2c56ae66dbbc07528a3592cb80a7dd5d926a0883 |
memory/2524-19-0x00000000000E0000-0x00000000000F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:41
Reported
2024-04-06 23:43
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
152s
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 |
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\e39083f597818cfb8854ea073c60ed80_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\e39083f597818cfb8854ea073c60ed80_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\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2292 wrote to memory of 1888 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2292 wrote to memory of 1888 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2292 wrote to memory of 1888 | N/A | C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e39083f597818cfb8854ea073c60ed80_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 105.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.16.208.104.in-addr.arpa | udp |
Files
memory/2292-0-0x00000000009D0000-0x00000000009E7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 5efd390d5f95c8191f5ac33c4db4b143 |
| SHA1 | 42d81b118815361daa3007f1a40f1576e9a9e0bc |
| SHA256 | 6028434636f349d801465f77af3a1e387a9c5032942ca6cadb6506d0800f2a74 |
| SHA512 | 720fbe253483dc034307a57a2860c8629a760f883603198d1213f5290b7f236bf0f5f237728ebed50962be83dc7dc4abe61a1e9a55218778495fc6580eb20b3d |
memory/2292-7-0x00000000009D0000-0x00000000009E7000-memory.dmp
memory/1888-9-0x00000000007F0000-0x0000000000807000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | e5977b3a07f7ccaecd128061a0ee704b |
| SHA1 | 1cb104687e11a5f93c315ecbb01d4eb20b11f217 |
| SHA256 | e80cd780d87e66d28dc2f353632f1049cbad730d6658300d4615f1b03709a39a |
| SHA512 | 147e64bce944ad3fc959e9b2e1f9cd3fb22f69d8b55293593ee877687cc3e2b33d3d39d77761af3e50d0a1cb3b11dd1cad4c8d72239acb765bf2f3057a98837e |
C:\Users\Admin\AppData\Local\Temp\wZBDFxxZF3Zk2ls.exe
| MD5 | 1094c0b2fd987876e39b5e91e508aedf |
| SHA1 | d99de7dca20ccfd8ad6f9bfaab1ded044231cc65 |
| SHA256 | 1f8238bb7c33e6930d5de67c2c10488ea00e3bd4f7492907fbe9dadcbafaf94c |
| SHA512 | a8006e3a156c914ac07446d04c54a778859522521f009f559d48a5caeda31942c503e93349f4f76a2ee18ab6203f111ddf62bfa64d8f08acae5ad1beb39f2cb5 |