Analysis Overview
SHA256
3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248
Threat Level: Known bad
The file 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248 was found to be: Known bad.
Malicious Activity Summary
DiamondFox
DiamondFox payload
Executes dropped EXE
UPX packed file
Loads dropped DLL
Checks computer location settings
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Checks SCSI registry key(s)
Suspicious use of SetWindowsHookEx
MITRE ATT&CK Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-01 14:18
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-01 14:18
Reported
2022-07-01 14:46
Platform
win7-20220414-en
Max time kernel
144s
Max time network
165s
Command Line
Signatures
DiamondFox
DiamondFox payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
UPX packed file
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
Enumerates physical storage devices
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
"C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
"C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe" 0
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | rusav1.icu | udp |
| US | 8.8.8.8:53 | rusav2.icu | udp |
| US | 8.8.8.8:53 | rusav3.icu | udp |
Files
memory/108-54-0x0000000075A61000-0x0000000075A63000-memory.dmp
memory/108-55-0x0000000000400000-0x000000000049C000-memory.dmp
memory/108-56-0x0000000000400000-0x000000000049C000-memory.dmp
memory/2024-57-0x0000000000000000-mapping.dmp
memory/108-58-0x00000000002B0000-0x00000000002C5000-memory.dmp
memory/108-59-0x0000000000400000-0x000000000049C000-memory.dmp
memory/108-63-0x0000000000400000-0x000000000049C000-memory.dmp
\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
| MD5 | 17a1f7e98731df9b74b98accb650d50e |
| SHA1 | 64a96c0cfd3884f682b1b56f3e9e1b880849694f |
| SHA256 | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248 |
| SHA512 | 49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917 |
memory/920-65-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
| MD5 | 17a1f7e98731df9b74b98accb650d50e |
| SHA1 | 64a96c0cfd3884f682b1b56f3e9e1b880849694f |
| SHA256 | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248 |
| SHA512 | 49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917 |
memory/108-68-0x0000000000400000-0x000000000049C000-memory.dmp
memory/920-69-0x0000000000400000-0x000000000049C000-memory.dmp
memory/920-70-0x0000000000400000-0x000000000049C000-memory.dmp
memory/920-74-0x0000000000400000-0x000000000049C000-memory.dmp
memory/920-75-0x0000000000400000-0x000000000049C000-memory.dmp
memory/920-76-0x0000000000400000-0x000000000049C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-01 14:18
Reported
2022-07-01 14:46
Platform
win10v2004-20220414-en
Max time kernel
152s
Max time network
174s
Command Line
Signatures
DiamondFox
DiamondFox payload
| 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 |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
UPX packed file
| 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 |
| 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 |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\ConfigFlags | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CDROM&VEN_DADY&PROD_DADY_DVD-ROM\4&215468A5&0&010000 | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\CdRom&Ven_DADY&Prod_DADY_DVD-ROM\4&215468a5&0&010000\ConfigFlags | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_DADY&PROD_HARDDISK\4&215468A5&0&000000 | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3932 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | C:\Windows\splwow64.exe |
| PID 3932 wrote to memory of 4228 | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | C:\Windows\splwow64.exe |
| PID 3932 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe |
| PID 3932 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe |
| PID 3932 wrote to memory of 5112 | N/A | C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe | C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe
"C:\Users\Admin\AppData\Local\Temp\3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248.exe"
C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
"C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe" 0
Network
| Country | Destination | Domain | Proto |
| NL | 20.190.160.9:443 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| US | 8.247.211.126:80 | tcp | |
| US | 8.247.211.126:80 | tcp | |
| GB | 51.104.15.253:443 | tcp | |
| US | 8.247.211.126:80 | tcp | |
| US | 8.247.211.126:80 | tcp | |
| US | 8.247.211.126:80 | tcp | |
| US | 93.184.220.29:80 | tcp | |
| NL | 20.190.160.135:443 | tcp | |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
| NL | 40.126.32.67:443 | tcp | |
| NL | 104.85.1.163:80 | www.microsoft.com | tcp |
| US | 8.8.8.8:53 | rusav1.icu | udp |
| NL | 8.238.24.126:80 | tcp | |
| US | 8.252.117.126:80 | tcp | |
| NL | 40.126.32.73:443 | tcp | |
| US | 8.8.8.8:53 | www.microsoft.com | udp |
| US | 8.8.8.8:53 | rusav2.icu | udp |
| US | 8.8.8.8:53 | 164.2.77.40.in-addr.arpa | udp |
Files
memory/3932-130-0x0000000000400000-0x000000000049C000-memory.dmp
memory/3932-131-0x0000000000400000-0x000000000049C000-memory.dmp
memory/4228-132-0x0000000000000000-mapping.dmp
memory/3932-133-0x0000000000400000-0x000000000049C000-memory.dmp
memory/3932-137-0x0000000000A70000-0x0000000000CF1000-memory.dmp
memory/3932-138-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-139-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
| MD5 | 17a1f7e98731df9b74b98accb650d50e |
| SHA1 | 64a96c0cfd3884f682b1b56f3e9e1b880849694f |
| SHA256 | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248 |
| SHA512 | 49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917 |
C:\Users\Admin\AppData\Roaming\lsassfold\lsass.exe
| MD5 | 17a1f7e98731df9b74b98accb650d50e |
| SHA1 | 64a96c0cfd3884f682b1b56f3e9e1b880849694f |
| SHA256 | 3ef2a739073edef534d6bbd2c426cf8e2285544d03afe33ce64526f3e5926248 |
| SHA512 | 49ad8edbd470c2fd32a1317288634b6411da106510527117808b3c2eb78685c1ceb69d93eaa2047cabce5bb7da9901a00c10e071f7482d2ee5bb6af231380917 |
memory/3932-142-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-143-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-144-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-145-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-149-0x0000000002760000-0x0000000002775000-memory.dmp
memory/5112-150-0x0000000000400000-0x000000000049C000-memory.dmp
memory/5112-151-0x0000000000400000-0x000000000049C000-memory.dmp