Analysis Overview
SHA256
e5f662cfb991bb883da1cd920b511f4f2d7556c9b1a4e072b74c19457940547e
Threat Level: Known bad
The file 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.zip was found to be: Known bad.
Malicious Activity Summary
Remcos family
Remcos
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds Run key to start application
Unsigned PE
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-04-02 09:59
Signatures
Remcos family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-02 09:59
Reported
2024-04-02 10:01
Platform
win10v2004-20240319-en
Max time kernel
150s
Max time network
157s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-817259280-2658881748-983986378-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1768 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1768 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 1768 wrote to memory of 5060 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe
"C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe"
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
"C:\Users\Admin\AppData\Roaming\microsofts\svcs.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=4032 --field-trial-handle=2288,i,11069632825633797559,14829202121434726371,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 20.231.121.79:80 | tcp | |
| US | 8.8.8.8:53 | 82.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.110.86.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.34.115.104.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 86.23.85.13.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 24.66.18.2.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| GB | 13.105.221.16:443 | tcp | |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 0.204.248.87.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| 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 |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | 85.65.42.20.in-addr.arpa | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
Files
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | 4177d7ca73c95a897528903be3604f7c |
| SHA1 | 73fb16ae3bfd2ff6c476a2a8373da02b4503d573 |
| SHA256 | 4c78917db04d4a74fec5f441ce4fd9e2f665e7f1a032a294d81e9773f21920b2 |
| SHA512 | 2d7fd8cfdac0229cc715f7acb0965facafc54271cc9f92e5ae391bd6b780312e6fe77c464100a289032eae7f99b54a8f0b437b49d446b6639563d63c2c815bc4 |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-02 09:59
Reported
2024-04-02 10:02
Platform
win7-20240221-en
Max time kernel
160s
Max time network
172s
Command Line
Signatures
Remcos
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2461186416-2307104501-1787948496-1000\Software\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Rmc-3XK1S0 = "\"C:\\Users\\Admin\\AppData\\Roaming\\microsofts\\svcs.exe\"" | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2956 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 2956 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 2956 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
| PID 2956 wrote to memory of 2156 | N/A | C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe | C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe
"C:\Users\Admin\AppData\Local\Temp\03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7.exe"
C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe
"C:\Users\Admin\AppData\Roaming\microsofts\svcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| US | 8.8.8.8:53 | leetboy.dynuddns.net | udp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
| NL | 91.92.249.94:1998 | leetboy.dynuddns.net | tcp |
Files
\Users\Admin\AppData\Roaming\microsofts\svcs.exe
| MD5 | 06f5b8dffc6c138828adbc7f29cfc7f0 |
| SHA1 | b59ef5d613a1e49c7034c3ee05780ce054ca0054 |
| SHA256 | 03ba551339062106448ff58cbc393338483439513ec8439497bf47153e13f4b7 |
| SHA512 | e706a0b3b1981cac8ddcf81482b306b4538fbfbf5c332f2b484f8c503b66d73cd09ffaab0515ecb2063d1e4a27dc30a662cc0be4f5287d2982cfbb47c7dad893 |
C:\ProgramData\logsa\logs.dat
| MD5 | e8c4a45ea4ea6a656b1b3dd3d8c6e6a6 |
| SHA1 | 8b1af7b54ecbc2d2257f942aa40e5fbebf003c9f |
| SHA256 | 3be63e5d1996a4edb9532147600ff4085189b902fa108f5bbce3821e96652cbe |
| SHA512 | 65f42369ffa6f7cb0d0b7eb1300df83847ae881c6f5a25a67ce46573c73d19110843473ed536cc4d8478bb2d6f878a709499d662b39f4bffae42bdfe6f38cba3 |