Analysis Overview
SHA256
fc6f9d52a9a67fa848a16fbb3ad29c5f1ef81f395ca25a62ffb717950c626167
Threat Level: Known bad
The file df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe was found to be: Known bad.
Malicious Activity Summary
Darkcomet family
Darkcomet
Executes dropped EXE
Checks computer location settings
Loads dropped DLL
Checks BIOS information in registry
Adds Run key to start application
Suspicious use of SetThreadContext
UPX packed file
Unsigned PE
System Location Discovery: System Language Discovery
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates system info in registry
Checks processor information in registry
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 23:04
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 23:04
Reported
2024-11-13 23:06
Platform
win7-20240903-en
Max time kernel
113s
Max time network
114s
Command Line
Signatures
Darkcomet
Darkcomet family
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Loads dropped DLL
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2088 set thread context of 2764 | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | C:\Users\Admin\AppData\Roaming\Soundcrd.exe |
| PID 2088 set thread context of 2628 | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | C:\Users\Admin\AppData\Roaming\Soundcrd.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe
"C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe"
C:\Windows\SysWOW64\cmd.exe
cmd /c ""C:\Users\Admin\AppData\Local\Temp\cwjZh.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
"C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | ygo.no-ip.info | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| US | 8.8.8.8:53 | ygo.no-ip.info | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
Files
memory/1724-0-0x0000000000400000-0x00000000007EA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\cwjZh.bat
| MD5 | 173bcce4810d4901872d0ef4f0bfea4e |
| SHA1 | 561b03fdfe68b6419fddf57f32e1aab9a6126a2f |
| SHA256 | 10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d |
| SHA512 | 2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e |
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
| MD5 | c8d9046cd83b2c69c007f9235186c053 |
| SHA1 | 2084ec6a7942cebb656aa55b1cf1775f8fa3ec56 |
| SHA256 | ec19c2264b7b7afb696b5548efc03b0cbf8283d4a6f4e12e6bb28e7ff84365d3 |
| SHA512 | a2c0fb03d5c95040547fbc62f57a54497840e7b15fb0513ee4bddaa239f82499368f747d6f182c5613fa09281554d86daee2b9ee7b245f0b55823b5a3fbb0a0d |
memory/1724-44-0x0000000003A50000-0x0000000003E3A000-memory.dmp
memory/1724-42-0x0000000003A50000-0x0000000003E3A000-memory.dmp
memory/1724-43-0x0000000003A50000-0x0000000003E3A000-memory.dmp
memory/2088-46-0x0000000000400000-0x00000000007EA000-memory.dmp
memory/1724-48-0x0000000000400000-0x00000000007EA000-memory.dmp
memory/2088-53-0x0000000002C10000-0x0000000002FFA000-memory.dmp
memory/2764-54-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-56-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-57-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-58-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-60-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-59-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-61-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-64-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-63-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2628-62-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2088-71-0x0000000000400000-0x00000000007EA000-memory.dmp
memory/2628-67-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2628-68-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2764-72-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2628-74-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2764-77-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-81-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-85-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-89-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2764-93-0x0000000000400000-0x00000000004B5000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 23:04
Reported
2024-11-13 23:06
Platform
win10v2004-20241007-en
Max time kernel
111s
Max time network
119s
Command Line
Signatures
Darkcomet
Darkcomet family
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Mcrosoftt = "C:\\Users\\Admin\\AppData\\Roaming\\Soundcrd.exe" | C:\Windows\SysWOW64\reg.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 3704 set thread context of 3452 | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | C:\Users\Admin\AppData\Roaming\Soundcrd.exe |
| PID 3704 set thread context of 2372 | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | C:\Users\Admin\AppData\Roaming\Soundcrd.exe |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
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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\Roaming\Soundcrd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\reg.exe | N/A |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Enumerates system info in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\Soundcrd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe
"C:\Users\Admin\AppData\Local\Temp\df7b910bbc8fdb3e6f99037236ac9c84b42c42639ccf9c63939a79b6457b6185N.exe"
C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\TSrMX.bat" "
C:\Windows\SysWOW64\reg.exe
REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "Mcrosoftt" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Soundcrd.exe" /f
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
"C:\Users\Admin\AppData\Roaming\Soundcrd.exe"
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
C:\Users\Admin\AppData\Roaming\Soundcrd.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 13.86.106.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 69.31.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ygo.no-ip.info | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.209.201.84.in-addr.arpa | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| US | 8.8.8.8:53 | ygo.no-ip.info | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
| ES | 94.73.33.36:1604 | ygo.no-ip.info | tcp |
Files
memory/4212-0-0x0000000000400000-0x00000000007EA000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\TSrMX.txt
| MD5 | 173bcce4810d4901872d0ef4f0bfea4e |
| SHA1 | 561b03fdfe68b6419fddf57f32e1aab9a6126a2f |
| SHA256 | 10ea37eceabbe80fe9814280b66b957636951dbeeed18a9b4d50a1d24a6f1d1d |
| SHA512 | 2401e0a5e3f7bf590a0767449da2249d09717e8c1cb71a7475e81d9615580001cfc38705cd1a5b4edc33f7df043bf195e28e4a5442a32bc879dffc6473bd545e |
C:\Users\Admin\AppData\Roaming\Soundcrd.txt
| MD5 | 8dceddd01ad43ea85488bd53c3ef8901 |
| SHA1 | c90b98104708e3e7a55ee6431a39484965cdeac7 |
| SHA256 | b352a8f0519a0463de1f50b2b5b7e2d233ba333db7e51c6c33b1df24a170bbfc |
| SHA512 | 39f37a72e8dc2b19c90e6052e99a47a2e4ed2cab0fd736a2f4b32260526f1cc234f684d2b36a62abea192f8ac5a88d50c319d3facc9c2e683c3f0d5a182b9d21 |
memory/4212-29-0x0000000000400000-0x00000000007EA000-memory.dmp
memory/3452-32-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-36-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-35-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2372-37-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2372-40-0x0000000000400000-0x0000000000409000-memory.dmp
memory/2372-42-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3452-44-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3704-51-0x0000000000400000-0x00000000007EA000-memory.dmp
memory/3452-50-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-49-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-48-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-47-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-52-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/2372-53-0x0000000000400000-0x0000000000409000-memory.dmp
memory/3452-58-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-62-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-66-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-70-0x0000000000400000-0x00000000004B5000-memory.dmp
memory/3452-74-0x0000000000400000-0x00000000004B5000-memory.dmp