Analysis Overview
SHA256
b2f85382735465316389d8684ce99cc8e922e3746ac555b5c97743e7f21446d2
Threat Level: Shows suspicious behavior
The file e621fbd0c6b41ecd47d1df908bf64b6f_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 23:40
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: behavioral2
Detonation Overview
Submitted
2024-04-07 23:40
Reported
2024-04-07 23:42
Platform
win10v2004-20240226-en
Max time kernel
147s
Max time network
156s
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\e621fbd0c6b41ecd47d1df908bf64b6f_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\e621fbd0c6b41ecd47d1df908bf64b6f_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\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3816 wrote to memory of 4984 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 3816 wrote to memory of 4984 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 3816 wrote to memory of 4984 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 67.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 99.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.135.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 8.173.189.20.in-addr.arpa | udp |
Files
memory/3816-0-0x0000000000550000-0x0000000000567000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/4984-7-0x0000000000B70000-0x0000000000B87000-memory.dmp
memory/3816-9-0x0000000000550000-0x0000000000567000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\excel.exe_Rules.xml
| MD5 | 632f7fae0f6c464b97a52ca19d61cfcd |
| SHA1 | 086745bb53182f399a2949e60ee28314bd9c2b3c |
| SHA256 | e784f397ee00c4766e919e0f9d481e3bccb216a32758e16d9564cc2d8d2e59e8 |
| SHA512 | 9178933be47bb63ef36335c31bd97be4f6eb4fe8167a495c469211ca3f5348774e776193116623f5ab67d5f2ae36b37c25eb28fb663aaabac560fabfa887d6c2 |
C:\Users\Admin\AppData\Local\Temp\enAiZ17QQd0AmP4.exe
| MD5 | 21f177fa6d04e95f00bdcd2587796cfc |
| SHA1 | bd92414af8ff38222238cba1a0db03abaa3638ba |
| SHA256 | dc58cf041e82aa033ee6c32fea7f11ace73d3a36fa0e80a8e6c4f896e574ac5e |
| SHA512 | 07e6cf047150236670c44c0e8206349d404b44e3f36175a4c25cffcf78c698df335479b8132b204b0a7375df4a26992d09d025245ccf8ccf0e7ce46c92f8ab51 |
memory/4984-31-0x0000000000B70000-0x0000000000B87000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-07 23:40
Reported
2024-04-07 23:42
Platform
win7-20240221-en
Max time kernel
141s
Max time network
118s
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\e621fbd0c6b41ecd47d1df908bf64b6f_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\e621fbd0c6b41ecd47d1df908bf64b6f_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\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2856 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2856 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2856 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2856 wrote to memory of 1456 | N/A | C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e621fbd0c6b41ecd47d1df908bf64b6f_JaffaCakes118.exe"
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2856-1-0x00000000012B0000-0x00000000012C7000-memory.dmp
memory/2856-8-0x00000000012B0000-0x00000000012C7000-memory.dmp
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/1456-12-0x0000000000350000-0x0000000000367000-memory.dmp
memory/2856-9-0x0000000000350000-0x0000000000367000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\yOo4nOHhlmtdaL0.exe
| MD5 | 3f83c1e6595d86649cc5b4f696c920fe |
| SHA1 | 56ae96c66982dded3a66b20692d1edc9072a35f1 |
| SHA256 | 0247325df19fb404a28585b2afbd27145d72b826a7e8fab1dcb1f77d90bfa107 |
| SHA512 | d9fca3aafe6cdd6a387fdce847a76e656a82bd48d88e132273dbf42250f1b9088fe340ad3309e29e5049d179c0161e79b34ba7db7184556f114a461734558d19 |