Analysis Overview
SHA256
82b33a1aca5648e9b5ce944920cf3be5f5f9dac2c913d68a66d6d55240fc0606
Threat Level: Known bad
The file 2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer was found to be: Known bad.
Malicious Activity Summary
Modifies visiblity of hidden/system files in Explorer
Detects Mofksys worm
Mofksys family
Modifies WinLogon for persistence
Mofksys
Boot or Logon Autostart Execution: Active Setup
Executes dropped EXE
Adds Run key to start application
Drops file in Windows directory
Enumerates physical storage devices
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V16
Analysis: static1
Detonation Overview
Reported
2025-05-20 08:30
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2025-05-20 08:30
Reported
2025-05-20 08:33
Platform
win10v2004-20250502-en
Max time kernel
150s
Max time network
137s
Command Line
Signatures
Detects Mofksys worm
| 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 |
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\svchost.exe | N/A |
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-343936533-1262634978-1863872812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-343936533-1262634978-1863872812-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\svchost.exe | N/A |
Mofksys
Mofksys family
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432NODE\MICROSOFT\ACTIVE SETUP\INSTALLED COMPONENTS\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\system\explorer.exe | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| File opened for modification | \??\c:\windows\system\spoolsv.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\spoolsv.exe | N/A |
| File opened for modification | \??\c:\windows\system\explorer.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\svchost.exe | N/A |
| File opened for modification | C:\Windows\system\udsys.exe | \??\c:\windows\system\explorer.exe | N/A |
Enumerates physical storage devices
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\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe"
\??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\windows\system\explorer.exe RO
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\windows\system\svchost.exe RO
C:\Windows\SysWOW64\at.exe
at 08:32 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe RO
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe RO
C:\Windows\SysWOW64\at.exe
at 08:33 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\at.exe
at 08:34 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
Network
| Country | Destination | Domain | Proto |
| GB | 2.18.27.89:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 150.171.27.10:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | c.pki.goog | udp |
| GB | 216.58.201.99:80 | c.pki.goog | tcp |
Files
C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
| MD5 | f8d95eb8c84c6de968a90496256180b1 |
| SHA1 | 52ec2c2d0dfb4e0ee4cacf58c06308673caf7535 |
| SHA256 | d0fbb98b3de71b571276016743d1a2b56fc71b8708455a533a7489fdb64e63de |
| SHA512 | 0b2a33093ecab5307c496283bec5d8fcd40a53921b7f73ea643c2b43c712c6264337fc16f340c9021fa17f45a02e888c19b4d2a244f970376720416bbbfb883e |
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 0f44db32cf6f469e3357f4e033385c8d |
| SHA1 | 38c1bc1cd2e0c66721166ec7b40cf8c2dca88d68 |
| SHA256 | 6b81b8d5583c1be487f5fcbcfd0c5ae6458d13606ae987422e3cf0cb3ef41bfa |
| SHA512 | 41edc7343c20e945f1f3554631615718333e4365cd56ea9a71b1ba0c71bd1b43f4a9e408b06bf581f72907bd333b6cff8595b0ccd00680461b523d615d0cb3ee |
C:\Users\Admin\AppData\Local\icsys.icn.exe
| MD5 | e9a8033ab8de7db2b2e38a4660d28c0f |
| SHA1 | 4c19b54a5867cf510713290629d694e89ed1a577 |
| SHA256 | 5501e7f08d4d015d7aa2bba6182714d67bc53cc303356db9ce1e296c8216d136 |
| SHA512 | 24c18dbca8e9685e65be88a312fc6fdfaa98b2f19833bcc90344682b7825c88b62295f02c5efa890b80266f6675cfcd54150d17af014ef75be1b6a8baa1bbdff |
C:\Windows\System\explorer.exe
| MD5 | 14f2382c70673bd4d278d3822291cdd1 |
| SHA1 | b4c2643c5ada1f7ec578a9967a8ca6adae84a03d |
| SHA256 | d913e023fba5aa8b7951afe9f4157b495ef5046da79e267fa2560dd23066fcb6 |
| SHA512 | 814e757c7e043671a91bb84e73790f1705e1b1632418b47b25881e97a3880b313fae2c7c2a2d7db6101012bb50364c759397f3062f806aa510fc52f7e9f0e863 |
C:\Windows\System\spoolsv.exe
| MD5 | 00c8a166b13f73f380a9f6344adf6318 |
| SHA1 | 5fec53f42d797519c67c7b9d35b311c43c2d35f1 |
| SHA256 | 6d712a4d4a5e32f14eb1b98d7149706d1dd92955c4390dc54e06fcd06635c0cc |
| SHA512 | aed3000a0c64dbc3a0a33d6adba318f3c72ef50889b19cb743bbb36bf033f850d1223a27715b2bb05c0fe59ad74375097605505c21b91563b4856097fa23d6a0 |
C:\Windows\System\svchost.exe
| MD5 | b5df5e0f1a0f2ade0f19bc987f617901 |
| SHA1 | cea5d3fa34e0b3e41532e687c08ca8450f70f04b |
| SHA256 | 841008a800929cfeafe4e3f7957ddfaa759eaf210d28d3c9d6b866ac91a82408 |
| SHA512 | 4b07fa2a0c2e7c695cd2ee18dd564446cf83aaa09bd54745da76adb8baaa2f1e86c334e0ec73fd8c710da0a4a344397b80bfbd0a47954111e293aa75fda1f829 |
C:\Users\Admin\AppData\Roaming\mrsys.exe
| MD5 | fbb8f368c8434f7fa1f5bdf1ba9a4668 |
| SHA1 | ba84254715facf05613af9c62a6c0e233166a536 |
| SHA256 | ded61d57c823645096db937464223506863c7546905d5a0bcccc919dfbe2bf78 |
| SHA512 | 4004bc774fb4cd99bd1bf0a81bc22f92be1e0b59c5d0f50a0b27ff166c04c99337cdb9e941b32ebc2a5e9b2887db5a54d5a2160aeda958127f4052fe28f892cd |
Analysis: behavioral2
Detonation Overview
Submitted
2025-05-20 08:30
Reported
2025-05-20 08:33
Platform
win11-20250502-en
Max time kernel
150s
Max time network
103s
Command Line
Signatures
Detects Mofksys worm
| 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 |
Modifies WinLogon for persistence
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Windows\\explorer.exe, c:\\windows\\system\\explorer.exe" | \??\c:\windows\system\svchost.exe | N/A |
Modifies visiblity of hidden/system files in Explorer
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-434880884-4028056734-3558218839-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-434880884-4028056734-3558218839-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" | \??\c:\windows\system\svchost.exe | N/A |
Mofksys
Mofksys family
Boot or Logon Autostart Execution: Active Setup
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666}\StubPath = "C:\\Users\\Admin\\AppData\\Roaming\\mrsys.exe MR" | \??\c:\windows\system\svchost.exe | N/A |
| Key created | \REGISTRY\MACHINE\Software\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{Y479C6D0-OTRW-U5GH-S1EE-E0AC10B4E666} | \??\c:\windows\system\svchost.exe | N/A |
| Key deleted | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Active Setup\Installed Components\{F146C9B1-VMVQ-A9RC-NUFL-D0BA00B4E999} | \??\c:\windows\system\svchost.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
| N/A | N/A | \??\c:\windows\system\spoolsv.exe | N/A |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\explorer.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Explorer = "c:\\windows\\system\\explorer.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\Svchost = "c:\\windows\\system\\svchost.exe RO" | \??\c:\windows\system\svchost.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | \??\c:\windows\system\spoolsv.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\spoolsv.exe | N/A |
| File opened for modification | \??\c:\windows\system\explorer.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\svchost.exe | \??\c:\windows\system\svchost.exe | N/A |
| File opened for modification | C:\Windows\system\udsys.exe | \??\c:\windows\system\explorer.exe | N/A |
| File opened for modification | \??\c:\windows\system\explorer.exe | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
Enumerates physical storage devices
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\at.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\icsys.icn.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\spoolsv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\explorer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | \??\c:\windows\system\svchost.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | \??\c:\windows\system\explorer.exe | N/A |
| N/A | N/A | \??\c:\windows\system\svchost.exe | N/A |
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
"C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe"
\??\c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
c:\users\admin\appdata\local\temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
C:\Users\Admin\AppData\Local\icsys.icn.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe SE
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe
\??\c:\windows\system\spoolsv.exe
c:\windows\system\spoolsv.exe PR
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\windows\system\explorer.exe RO
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c c:\windows\system\svchost.exe RO
C:\Windows\SysWOW64\at.exe
at 08:32 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
\??\c:\windows\system\explorer.exe
c:\windows\system\explorer.exe RO
\??\c:\windows\system\svchost.exe
c:\windows\system\svchost.exe RO
C:\Windows\SysWOW64\at.exe
at 08:33 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
C:\Windows\SysWOW64\at.exe
at 08:34 /interactive /every:M,T,W,Th,F,S,Su c:\windows\system\svchost.exe
Network
Files
C:\Users\Admin\AppData\Local\Temp\2025-05-20_a6706faee9b596ab1003002d11892d3a_black-basta_cobalt-strike_elex_luca-stealer.exe
| MD5 | f8d95eb8c84c6de968a90496256180b1 |
| SHA1 | 52ec2c2d0dfb4e0ee4cacf58c06308673caf7535 |
| SHA256 | d0fbb98b3de71b571276016743d1a2b56fc71b8708455a533a7489fdb64e63de |
| SHA512 | 0b2a33093ecab5307c496283bec5d8fcd40a53921b7f73ea643c2b43c712c6264337fc16f340c9021fa17f45a02e888c19b4d2a244f970376720416bbbfb883e |
C:\Users\Admin\AppData\Local\Temp\log.txt
| MD5 | 2f17afdac3b6b12d045459de51bf23bf |
| SHA1 | 9833b18ad03775c8e0bfdd02edf070304da993f0 |
| SHA256 | 84ad491dac9b752ecdd49ebdf0c616e7da8a404afb69979cccd27ce1fde0294d |
| SHA512 | 7a43abcffbb1f5ab7f69eb3b927c87973f271b4b9d999389cb20a1ec2388ad5c70ff0256ea2c9c42b8be27156e65b6ae2b1b4cfa197558d489a22ea137abc566 |
C:\Users\Admin\AppData\Local\icsys.icn.exe
| MD5 | e9a8033ab8de7db2b2e38a4660d28c0f |
| SHA1 | 4c19b54a5867cf510713290629d694e89ed1a577 |
| SHA256 | 5501e7f08d4d015d7aa2bba6182714d67bc53cc303356db9ce1e296c8216d136 |
| SHA512 | 24c18dbca8e9685e65be88a312fc6fdfaa98b2f19833bcc90344682b7825c88b62295f02c5efa890b80266f6675cfcd54150d17af014ef75be1b6a8baa1bbdff |
\??\c:\windows\system\explorer.exe
| MD5 | a9bd66f61f245d64dcbf1f11c20e4ea5 |
| SHA1 | 5ef556521730cbb1dfb91be4546deee1cdbc43ca |
| SHA256 | bfa43ec06fe362903dfe9cf069eaa373641002565dbf76cd1dbed21f1b3e5962 |
| SHA512 | f20ea78481e66c571abfc93509d4d3603f94bb1c1de39f80852c14a49bf176364c205c7b29e6658b55812658bbb3e26f9874618377181cd06420fca9e31ca0c6 |
C:\Windows\System\spoolsv.exe
| MD5 | fe5eebc29761e754cdaf703b2ad357f7 |
| SHA1 | 3216f408c4cf825a5864bf31c284722b8ff8a5dd |
| SHA256 | cb5f93a42663b918b8701c0c381d53e334013170fc27b9e36bdbaf3fe1014885 |
| SHA512 | c7ce981dc7621de0f58e50399d3cf7d84ef091025fa029e8a3d37ac16e48b04e8daf023e86bb55c6c0ea2780ab560b9891980dd8925c47cc0960b8dd0b758cb4 |
C:\Windows\System\svchost.exe
| MD5 | 52ed03044ce375edd527560cb0bcd48b |
| SHA1 | 31aa3afc8cf077dba701de0324d29e6fe6b8fa5f |
| SHA256 | f3b34320a32110653b0986fc71f6f593824018289a402ac7e7aaf438ec511d7f |
| SHA512 | e8f6164c7f6e1fa5130ef6545d3ad166091f240b2a1f640ba0666e55407e3895687034a8ce172c406f3a459292c522c34636fd6924d90834ecc192d115c6b135 |
C:\Users\Admin\AppData\Roaming\mrsys.exe
| MD5 | 21e4a53dceb8b4d98163d6730cbdb46b |
| SHA1 | bff408f2da489b9a4a42e010a5fe0ec29fa1d283 |
| SHA256 | 72985246023aaebea36e14491ea8b4e25a4148d978efad60a1773131383f3763 |
| SHA512 | 4e644815a9e9a14e9bae4087d41b8e7e9d2ca28f61784fb2dcbd63ebbd8f141409e6c22ced62672e424bf33fdbe9930d1ce65ba22cd2bf4199ef536e50d1f859 |