Analysis Overview
SHA256
55d263a218f2ca5c687e4b0821916a75ca9600c8eab42d3fa86020edb3b4322f
Threat Level: Shows suspicious behavior
The file e568985688cde6ece09927298a84ec01_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
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
2024-04-07 16:55
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 16:55
Reported
2024-04-07 16:57
Platform
win7-20240220-en
Max time kernel
140s
Max time network
123s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2l2eyr2uGf8gCTu.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\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_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\e568985688cde6ece09927298a84ec01_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:\Windows\CTS.exe | N/A |
| File created | C:\Windows\CTS.exe | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_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\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\2l2eyr2uGf8gCTu.exe
C:\Users\Admin\AppData\Local\Temp\2l2eyr2uGf8gCTu.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2156-0-0x0000000000A10000-0x0000000000A27000-memory.dmp
\Users\Admin\AppData\Local\Temp\2l2eyr2uGf8gCTu.exe
| MD5 | 3f461ca3e3d9da036cf1a4a06ddf4fb4 |
| SHA1 | 15395e4b656cee3a708bc50c1094e3fa0c46802e |
| SHA256 | cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b |
| SHA512 | d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5 |
memory/2156-15-0x0000000000A10000-0x0000000000A27000-memory.dmp
memory/2608-20-0x00000000012B0000-0x00000000012C7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2156-16-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/2156-11-0x00000000000E0000-0x00000000000F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 16:55
Reported
2024-04-07 16:57
Platform
win10v2004-20240226-en
Max time kernel
141s
Max time network
128s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.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\e568985688cde6ece09927298a84ec01_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\e568985688cde6ece09927298a84ec01_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\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2180 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe |
| PID 2180 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe |
| PID 2180 wrote to memory of 3040 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe |
| PID 2180 wrote to memory of 4436 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2180 wrote to memory of 4436 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2180 wrote to memory of 4436 | N/A | C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e568985688cde6ece09927298a84ec01_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe
C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.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 | 240.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 98.56.20.217.in-addr.arpa | udp |
Files
memory/2180-0-0x0000000000F20000-0x0000000000F37000-memory.dmp
memory/2180-9-0x0000000000F20000-0x0000000000F37000-memory.dmp
memory/4436-10-0x0000000000AC0000-0x0000000000AD7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
C:\Users\Admin\AppData\Local\Temp\AKbabzrEvS3xy2s.exe
| MD5 | 3f461ca3e3d9da036cf1a4a06ddf4fb4 |
| SHA1 | 15395e4b656cee3a708bc50c1094e3fa0c46802e |
| SHA256 | cd8e84c1f8d1ee3a7014343e3fb236329d2b67c1ec233ea4b208d99e3f95105b |
| SHA512 | d0cb3f56db648c9ee151990260a864cdcd0d508a1dafcd741d8b2ccd8f73ba29607f384a4e2752502419cfd4a41d2288d7c3ffec93925be85fc39dad9c01e7f5 |
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | b98734f6b5c3de9d7abbf11f6848c3db |
| SHA1 | 023733998a2892bae82f2b98f5a51f87eaa883f6 |
| SHA256 | 078fa287ce258c877cea39d24ed156e8195a242a98646ae47bfe8b50cf5f2283 |
| SHA512 | 81d3823cc13e1205b2d295cdec1470e91c36efd45cc58a1ef5f9435ddf424a3974918fb6a61e3ef8c1fca712213b5f386d8ff8280b97277bd675357c09471b12 |