Analysis Overview
SHA256
d3ae0198e42c1f207bd4ba866ad9f634cddb1b3f15757db7b417a74bfc20116e
Threat Level: Known bad
The file fiscalia.exe was found to be: Known bad.
Malicious Activity Summary
Remcos
Adds Run key to start application
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-07-23 16:57
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-07-23 16:57
Reported
2024-07-23 17:01
Platform
win7-20240704-es
Max time kernel
150s
Max time network
129s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000\Software\Microsoft\Windows\CurrentVersion\Run\Niiiiuttu = "C:\\Users\\Admin\\Documents\\Ounsa\\CoxcoxUpdater.exe" | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 956 wrote to memory of 2780 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fiscalia.exe
"C:\Users\Admin\AppData\Local\Temp\fiscalia.exe"
C:\Users\Admin\AppData\Local\Temp\fiscalia.exe
"C:\Users\Admin\AppData\Local\Temp\fiscalia.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | card25.con-ip.com | udp |
| CO | 179.15.133.126:1664 | card25.con-ip.com | tcp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
Files
memory/956-1-0x0000000000407000-0x0000000000421000-memory.dmp
memory/956-0-0x0000000000400000-0x0000000000657000-memory.dmp
memory/956-2-0x0000000000400000-0x0000000000657000-memory.dmp
memory/956-3-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2780-4-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-8-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/956-9-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2780-11-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-12-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2780-13-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-16-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-17-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-18-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-19-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-20-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-22-0x00000000000C0000-0x0000000000142000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | 3855633cb9bca4a2962fa7eb64151b05 |
| SHA1 | 6996d91e4c4c7f5279d2bc704f9a51887001f0fc |
| SHA256 | e178d9b32a598f0ac4b50569fc2331d80d1d799ba8deb1e6064531f67a18179e |
| SHA512 | 99150c0cad02e9371d2662bf4d72a43aae5c1bcf075f17aaeaa4e40cc43a3350918e45031c7579b8a855344bba044873731172b90855d4fd16f6c78a02d41ecf |
memory/2780-29-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-30-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-37-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-38-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-45-0x00000000000C0000-0x0000000000142000-memory.dmp
memory/2780-46-0x00000000000C0000-0x0000000000142000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-07-23 16:57
Reported
2024-07-23 17:00
Platform
win10v2004-20240709-es
Max time kernel
149s
Max time network
146s
Command Line
Signatures
Remcos
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1705699165-553239100-4129523827-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Niiiiuttu = "C:\\Users\\Admin\\Documents\\Ounsa\\CoxcoxUpdater.exe" | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1936 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 1936 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 1936 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 1936 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
| PID 1936 wrote to memory of 2224 | N/A | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe | C:\Users\Admin\AppData\Local\Temp\fiscalia.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\fiscalia.exe
"C:\Users\Admin\AppData\Local\Temp\fiscalia.exe"
C:\Users\Admin\AppData\Local\Temp\fiscalia.exe
"C:\Users\Admin\AppData\Local\Temp\fiscalia.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 73.144.22.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | card25.con-ip.com | udp |
| CO | 179.15.133.126:1664 | card25.con-ip.com | tcp |
| US | 8.8.8.8:53 | 126.133.15.179.in-addr.arpa | udp |
| US | 8.8.8.8:53 | geoplugin.net | udp |
| NL | 178.237.33.50:80 | geoplugin.net | tcp |
| US | 8.8.8.8:53 | 50.33.237.178.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 59.170.16.2.in-addr.arpa | udp |
| CO | 179.15.133.126:1664 | card25.con-ip.com | tcp |
| CO | 179.15.133.126:1664 | card25.con-ip.com | tcp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.28.10:443 | tse1.mm.bing.net | tcp |
Files
memory/1936-0-0x0000000000400000-0x0000000000657000-memory.dmp
memory/1936-1-0x0000000000407000-0x0000000000421000-memory.dmp
memory/1936-2-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2224-3-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/1936-4-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2224-5-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-6-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-10-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-11-0x0000000000400000-0x0000000000657000-memory.dmp
memory/2224-7-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-12-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-13-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-14-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-15-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-23-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-22-0x00000000000D0000-0x0000000000152000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | e93528b497846f8b8efbabd3928e8cf0 |
| SHA1 | 37e66d4754c3948a758a2b48cdaebf8376e33557 |
| SHA256 | 34d00b9467fe12f0978e748043e79caedd350193df1f33df49a0a1b13234f5a2 |
| SHA512 | 18747b5a1be60e5b4b0c1517d74b7e7d45819156c5fd003c44022bfdbb48ba6ed47be8ab2c4b469bf107ac27db3da65ee5bba0db67e66ec888942a8b8de4a47f |
memory/2224-29-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-30-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-31-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-32-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-33-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-34-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-36-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-37-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-44-0x00000000000D0000-0x0000000000152000-memory.dmp
memory/2224-45-0x00000000000D0000-0x0000000000152000-memory.dmp
C:\ProgramData\remcos\logs.dat
| MD5 | cf4e2f3e930efe1eaf9bca55284606de |
| SHA1 | 1c54f1aeab7373198dfb52255defdf9a0b7ef174 |
| SHA256 | 17884ea5dbdb32579570fa3ee47cb2047cbd3ceedf1600963cbaf352181ecad9 |
| SHA512 | 8036ff3582ddc6146c559a05cb95c299f4ceb10b9ab7a2917ead22431eea56b97b94327c5ad12073e188803a8fc18e8e7daf3ddd05e787a2d7492cbb46e35d6d |