Analysis Overview
SHA256
5910523dd84c592fdf140cba6c8e0272504ef03ddbe93290a4009c1f31f18532
Threat Level: Shows suspicious behavior
The file e60d29848b8f60da29efbc0efb820022_JaffaCakes118 was found to be: Shows suspicious behavior.
Malicious Activity Summary
Executes dropped EXE
Loads dropped DLL
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 22:57
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 22:57
Reported
2024-04-07 23:00
Platform
win7-20240215-en
Max time kernel
140s
Max time network
125s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\75W8dfn4VfCrHfz.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\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | N/A |
| N/A | N/A | N/A | 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\e60d29848b8f60da29efbc0efb820022_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\e60d29848b8f60da29efbc0efb820022_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\e60d29848b8f60da29efbc0efb820022_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\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\75W8dfn4VfCrHfz.exe
C:\Users\Admin\AppData\Local\Temp\75W8dfn4VfCrHfz.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
Network
Files
memory/2916-8-0x0000000000120000-0x0000000000137000-memory.dmp
\Users\Admin\AppData\Local\Temp\75W8dfn4VfCrHfz.exe
| MD5 | 95c9a037d3b01a21275aa6cc73b122a2 |
| SHA1 | c19ed8afc95b91d0cc6bc075047de30eae015386 |
| SHA256 | 1d5edcbae3258efb07cc57ba8d7cd1ebe2eb5106ef1a894b787ed2857952c523 |
| SHA512 | 761bb76261712a597f610e3162fa1514d2f56d69d03d1b76b51c6b2a7b0c88bbd385b7dc849c6913f7d861fb3aed8551f26f640d90b621e8629abe2e4bfb6160 |
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2916-14-0x0000000000120000-0x0000000000137000-memory.dmp
memory/2916-10-0x00000000000E0000-0x00000000000F7000-memory.dmp
memory/2536-18-0x0000000000D60000-0x0000000000D77000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\75W8dfn4VfCrHfz.exe
| MD5 | 0fb809c0a6595defa6e0bd36905751c4 |
| SHA1 | 10645f9ffa4a02fd29100ec595ca2aa8a52de44f |
| SHA256 | c0c72e7b4ef3ec29e2a9708e67b9536ec1a4eb5c45354a12a6e7788b69804f93 |
| SHA512 | aebb5b895cf697e3b62355fe8c7964e48954f0f5c644a03a8a2b0511109f0ee08aa63b8152a6f41b068175ed2016a8f858c5cf34bdaa6e475795511fe0e9fca9 |
memory/2916-25-0x00000000000E0000-0x00000000000F7000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-07 22:57
Reported
2024-04-07 23:00
Platform
win10v2004-20240319-en
Max time kernel
147s
Max time network
153s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.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\e60d29848b8f60da29efbc0efb820022_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\e60d29848b8f60da29efbc0efb820022_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\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\CTS.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2152 wrote to memory of 332 | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.exe |
| PID 2152 wrote to memory of 332 | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.exe |
| PID 2152 wrote to memory of 1296 | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2152 wrote to memory of 1296 | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | C:\Windows\CTS.exe |
| PID 2152 wrote to memory of 1296 | N/A | C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe | C:\Windows\CTS.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e60d29848b8f60da29efbc0efb820022_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.exe
C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.exe
C:\Windows\CTS.exe
"C:\Windows\CTS.exe"
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3488 --field-trial-handle=2808,i,4621512294509789388,1545966267740426092,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 20.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 9.228.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.114.53.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 198.187.3.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 130.118.77.104.in-addr.arpa | udp |
| US | 13.107.246.64:443 | tcp | |
| US | 8.8.8.8:53 | 98.56.20.217.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.173.189.20.in-addr.arpa | udp |
Files
memory/2152-0-0x0000000000A00000-0x0000000000A17000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ikaBxzHGs2S0COq.exe
| MD5 | 95c9a037d3b01a21275aa6cc73b122a2 |
| SHA1 | c19ed8afc95b91d0cc6bc075047de30eae015386 |
| SHA256 | 1d5edcbae3258efb07cc57ba8d7cd1ebe2eb5106ef1a894b787ed2857952c523 |
| SHA512 | 761bb76261712a597f610e3162fa1514d2f56d69d03d1b76b51c6b2a7b0c88bbd385b7dc849c6913f7d861fb3aed8551f26f640d90b621e8629abe2e4bfb6160 |
C:\Windows\CTS.exe
| MD5 | 70aa23c9229741a9b52e5ce388a883ac |
| SHA1 | b42683e21e13de3f71db26635954d992ebe7119e |
| SHA256 | 9d25cc704b1c00c9d17903e25ca35c319663e997cb9da0b116790b639e9688f2 |
| SHA512 | be604a2ad5ab8a3e5edb8901016a76042ba873c8d05b4ef8eec31241377ec6b2a883b51c6912dc7640581ffa624547db334683975883ae74e62808b5ae9ab0b5 |
memory/2152-6-0x0000000000A00000-0x0000000000A17000-memory.dmp
memory/1296-9-0x0000000000F40000-0x0000000000F57000-memory.dmp
C:\Users\Admin\AppData\Local\Microsoft\Office\16.0\msoia.exe_Rules.xml
| MD5 | a08693a899cc9715f808fe3d5490d800 |
| SHA1 | af9b610b342b5988aff49b9867ff7a18507055d6 |
| SHA256 | 4dc968d37d60bf73390a02cf7551642cd5e182989c9d19965e16ad04ace742d1 |
| SHA512 | 34d29105af30dd5460d9e9560b434607dfb0026a961430d4f0ef1a64865b12f6c16e30bb9112f37900ffb5a2f6bd724d15781b2f37404e238b632d2dbb5938da |