Analysis Overview
SHA256
a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc
Threat Level: Shows suspicious behavior
The file a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Drops file in System32 directory
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of UnmapMainImage
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-06 23:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-06 23:53
Reported
2024-04-06 23:56
Platform
win7-20240221-en
Max time kernel
150s
Max time network
125s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\calcdkey\RMAchost.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~3EC5.tmp | N/A |
| N/A | N/A | C:\Windows\SysWOW64\colosort.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\calcdkey\RMAchost.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows\CurrentVersion\Run\bthufmon = "C:\\Users\\Admin\\AppData\\Roaming\\calcdkey\\RMAchost.exe" | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\colosort.exe | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\calcdkey\RMAchost.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe
"C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe"
C:\Users\Admin\AppData\Roaming\calcdkey\RMAchost.exe
"C:\Users\Admin\AppData\Roaming\calcdkey"
C:\Users\Admin\AppData\Local\Temp\~3EC5.tmp
1208 493576 1756 1
C:\Windows\SysWOW64\colosort.exe
C:\Windows\SysWOW64\colosort.exe -s
Network
Files
memory/2156-0-0x0000000000400000-0x0000000000482000-memory.dmp
memory/2156-1-0x0000000000490000-0x0000000000511000-memory.dmp
\Users\Admin\AppData\Roaming\calcdkey\RMAchost.exe
| MD5 | fbffa461a483e0ebeae3d59678fe4ff2 |
| SHA1 | 688606efadd444544273784db06e2b35424e6e0b |
| SHA256 | df84d18d0797b441576b49c1523d1839337834d2ae92ccbcff2ac6359b4fd268 |
| SHA512 | c4b2f7f4a937fcc970aa7a526477b8bd1cc882750d45081d0437b877e5e17b57b0ccd1c0286805926117289cd3ac6843f6ef13276fac48995f6c8ef879339b69 |
memory/2156-5-0x0000000000520000-0x00000000005A2000-memory.dmp
memory/2156-14-0x0000000000520000-0x00000000005A2000-memory.dmp
memory/1756-19-0x0000000000220000-0x00000000002A1000-memory.dmp
memory/1208-18-0x0000000003A60000-0x0000000003AE8000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~3EC5.tmp
| MD5 | 86dc243576cf5c7445451af37631eea9 |
| SHA1 | 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9 |
| SHA256 | 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a |
| SHA512 | c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4 |
memory/1756-20-0x00000000002D0000-0x00000000002D5000-memory.dmp
memory/1208-21-0x0000000003A60000-0x0000000003AE8000-memory.dmp
memory/1756-22-0x0000000000400000-0x0000000000482000-memory.dmp
memory/1208-27-0x0000000002AC0000-0x0000000002AC6000-memory.dmp
memory/1208-25-0x0000000003A60000-0x0000000003AE8000-memory.dmp
memory/1208-29-0x0000000002AD0000-0x0000000002ADD000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-06 23:53
Reported
2024-04-06 23:56
Platform
win10v2004-20240226-en
Max time kernel
151s
Max time network
156s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\psrinfo.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\certgini = "C:\\Users\\Admin\\AppData\\Roaming\\HOSTdiag\\Gameougc.exe" | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\psrinfo.exe | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | N/A |
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe | N/A |
Suspicious use of UnmapMainImage
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Explorer.EXE | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4584 wrote to memory of 4624 | N/A | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe |
| PID 4584 wrote to memory of 4624 | N/A | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe |
| PID 4584 wrote to memory of 4624 | N/A | C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe |
| PID 4624 wrote to memory of 1412 | N/A | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe | C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp |
| PID 4624 wrote to memory of 1412 | N/A | C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe | C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp |
| PID 1412 wrote to memory of 3464 | N/A | C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp | C:\Windows\Explorer.EXE |
Processes
C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe
"C:\Users\Admin\AppData\Local\Temp\a0fb06613c6118c74bc4f08a6e9a93e692141b8d04b0b24022d75862a0d30cbc.exe"
C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe
"C:\Users\Admin\AppData\Roaming\HOSTdiag"
C:\Windows\SysWOW64\psrinfo.exe
C:\Windows\SysWOW64\psrinfo.exe -s
C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp
3464 493576 4624 1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 136.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 150.1.37.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 183.59.114.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 14.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.173.189.20.in-addr.arpa | udp |
Files
memory/4584-0-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4584-1-0x00000000005F0000-0x0000000000671000-memory.dmp
C:\Users\Admin\AppData\Roaming\HOSTdiag\Gameougc.exe
| MD5 | 81f47fddc63ceaa886c1119326a32070 |
| SHA1 | a097039205b3069ea7f2ede10d0d114806aa591e |
| SHA256 | 05ef2d9bd1f5965adfe4e8be8a5e3a65a5d6cd4ff802dbf7da66a906babe0e85 |
| SHA512 | b6aaf3dd6d41c054c6359e5c34cb954950e76e137782581da6831e4af3053c7bdd07e04af5777b70e5286b27e276f9e9e4e6e42a91834913f4949dddca2c7a1b |
memory/4624-7-0x0000000000400000-0x0000000000482000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\~8FDC.tmp
| MD5 | 86dc243576cf5c7445451af37631eea9 |
| SHA1 | 99a81c47c4c02f32c0ab456bfa23c306c7a09bf9 |
| SHA256 | 25d2a671e1b5b5b95697ac0234ce4d46e0d0894919521b54aabebd9daecf994a |
| SHA512 | c7310524f9b65f811146c1eb6ae944966351ac88a95fbc1ac422d8810730e5e212a7e28090ad758ea23c96ba38073e7fcf42460575e7f09dbc759a45c5d5a4a4 |
memory/4168-17-0x0000000000400000-0x0000000000482000-memory.dmp
memory/4584-19-0x0000000000400000-0x0000000000482000-memory.dmp
memory/3464-18-0x0000000006FE0000-0x0000000007068000-memory.dmp
memory/3464-16-0x0000000006FE0000-0x0000000007068000-memory.dmp
memory/4624-13-0x0000000000560000-0x00000000005E1000-memory.dmp
memory/4624-9-0x0000000000760000-0x0000000000765000-memory.dmp
memory/3464-24-0x0000000002B80000-0x0000000002B8D000-memory.dmp
memory/3464-22-0x00000000028E0000-0x00000000028E6000-memory.dmp
memory/4624-27-0x0000000000400000-0x0000000000482000-memory.dmp