Analysis Overview
SHA256
b2d23e455eb56451966097d786f7b7e3a056e693f7811b179147da1603850aef
Threat Level: Known bad
The file 5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Remcos
Adds Run key to start application
Enumerates connected drives
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-19 20:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-19 20:31
Reported
2024-05-19 20:34
Platform
win7-20240221-en
Max time kernel
145s
Max time network
124s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft OneDrive = "C:\\Users\\Admin\\AppData\\Local\\Chrome\\StikyNot.exe" | C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe | N/A |
Enumerates connected drives
| Description | Indicator | Process | Target |
| File opened (read-only) | \??\G: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\S: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\Y: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\Z: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\A: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\I: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\O: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\P: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\U: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\E: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\H: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\L: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\M: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\N: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\T: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\V: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\B: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\J: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\K: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\Q: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\R: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\W: | C:\Windows\system32\mstsc.exe | N/A |
| File opened (read-only) | \??\X: | C:\Windows\system32\mstsc.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 340 set thread context of 2580 | N/A | C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe | C:\Windows\SysWOW64\mstsc.exe |
| PID 2580 set thread context of 2708 | N/A | C:\Windows\SysWOW64\mstsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\mstsc.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe"
C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
C:\Windows\system32\mstsc.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
Files
memory/340-0-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-2-0x0000000000535000-0x0000000000536000-memory.dmp
memory/340-1-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-3-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-4-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-5-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-6-0x0000000000400000-0x0000000000538000-memory.dmp
memory/340-7-0x0000000000535000-0x0000000000536000-memory.dmp
memory/2580-12-0x0000000000400000-0x0000000000421000-memory.dmp
memory/340-16-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2580-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2580-8-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2580-17-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2708-18-0x0000000001000000-0x0000000001104000-memory.dmp
memory/2580-19-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2592-20-0x0000000001E50000-0x0000000001E51000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-19 20:31
Reported
2024-05-19 20:34
Platform
win10v2004-20240426-en
Max time kernel
148s
Max time network
156s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft OneDrive = "C:\\Users\\Admin\\AppData\\Local\\Chrome\\StikyNot.exe" | C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2452 set thread context of 844 | N/A | C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe | C:\Windows\SysWOW64\mstsc.exe |
| PID 844 set thread context of 4552 | N/A | C:\Windows\SysWOW64\mstsc.exe | C:\Program Files (x86)\Internet Explorer\iexplore.exe |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\5b51fcb93e6d3718bba97e531ba8ad2d_JaffaCakes118.exe"
C:\Windows\SysWOW64\mstsc.exe
"C:\Windows\SysWOW64\mstsc.exe"
C:\Program Files (x86)\Internet Explorer\iexplore.exe
"C:\Program Files (x86)\Internet Explorer\iexplore.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.237:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 25.24.18.2.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 237.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 140.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.169.31.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.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 | 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 | 30.73.42.20.in-addr.arpa | udp |
Files
memory/2452-0-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2452-2-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2452-3-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2452-4-0x0000000000535000-0x0000000000536000-memory.dmp
memory/2452-1-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2452-5-0x0000000000400000-0x0000000000538000-memory.dmp
memory/2452-6-0x0000000000400000-0x0000000000538000-memory.dmp
memory/844-7-0x0000000000400000-0x0000000000421000-memory.dmp
memory/2452-12-0x0000000000400000-0x0000000000538000-memory.dmp
memory/844-11-0x0000000000400000-0x0000000000421000-memory.dmp
memory/844-13-0x0000000000400000-0x0000000000421000-memory.dmp
memory/4552-14-0x0000000000400000-0x000000000053A000-memory.dmp
memory/844-15-0x0000000000400000-0x0000000000421000-memory.dmp