Analysis Overview
SHA256
a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06
Threat Level: Likely malicious
The file a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06 was found to be: Likely malicious.
Malicious Activity Summary
Executes dropped EXE
Deletes itself
Loads dropped DLL
Adds Run key to start application
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Runs ping.exe
Suspicious use of AdjustPrivilegeToken
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2021-09-30 12:28
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2021-09-30 12:28
Reported
2021-09-30 12:31
Platform
win7v20210408
Max time kernel
145s
Max time network
195s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cmd.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe
"C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp |
Files
memory/1980-59-0x00000000767B1000-0x00000000767B3000-memory.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 37b6eecd2f4eee03c9634dccd6bf774a |
| SHA1 | e1e9a4a05fde7862eda994a78a04b3046a445ae2 |
| SHA256 | d23025eb3e1d8571783bd99d29a47f6fd8b684ae1ccd915be5db267d3233b4ce |
| SHA512 | c986d633b477599ace18e9dcb3ecae0bd5c80f66c0773658979239875857cf18676cecbdea7db5da309395d489f625edb69aa25521f87afcc4b4eb8b1c36ae1b |
memory/1968-62-0x0000000000000000-mapping.dmp
\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 37b6eecd2f4eee03c9634dccd6bf774a |
| SHA1 | e1e9a4a05fde7862eda994a78a04b3046a445ae2 |
| SHA256 | d23025eb3e1d8571783bd99d29a47f6fd8b684ae1ccd915be5db267d3233b4ce |
| SHA512 | c986d633b477599ace18e9dcb3ecae0bd5c80f66c0773658979239875857cf18676cecbdea7db5da309395d489f625edb69aa25521f87afcc4b4eb8b1c36ae1b |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 37b6eecd2f4eee03c9634dccd6bf774a |
| SHA1 | e1e9a4a05fde7862eda994a78a04b3046a445ae2 |
| SHA256 | d23025eb3e1d8571783bd99d29a47f6fd8b684ae1ccd915be5db267d3233b4ce |
| SHA512 | c986d633b477599ace18e9dcb3ecae0bd5c80f66c0773658979239875857cf18676cecbdea7db5da309395d489f625edb69aa25521f87afcc4b4eb8b1c36ae1b |
memory/1000-65-0x0000000000000000-mapping.dmp
memory/580-66-0x0000000000000000-mapping.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2021-09-30 12:28
Reported
2021-09-30 12:30
Platform
win10-en-20210920
Max time kernel
149s
Max time network
149s
Command Line
Signatures
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
Enumerates physical storage devices
Runs ping.exe
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\PING.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe
"C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\a834a21c79f7a4ce5bf5c72ffb03fe6a643181ddf3c014b9acfc07ce7c19ce06.exe"
C:\Windows\SysWOW64\PING.EXE
ping 127.0.0.1
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| US | 52.109.8.21:443 | tcp | |
| US | 8.8.8.8:53 | citrix.vipreclod.com | udp |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp | |
| TH | 184.22.175.13:80 | tcp |
Files
memory/2548-115-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 5ddab95dbb99a217951afdaa1bb17277 |
| SHA1 | a1919706acb195e8ca761a494e6f467975df687d |
| SHA256 | d367e229f8bc9d139139adf5572c7f232ab73b039b78d0b55c0287cac5793fa5 |
| SHA512 | 44bab7fd2d208be0ef666294cd69671f0c8b400c1e5e37e641be467b63774145a48cb91ed97128642769a8d0fc6cd834bd3ae527b1fa63157b0831e7704e4e7a |
C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
| MD5 | 5ddab95dbb99a217951afdaa1bb17277 |
| SHA1 | a1919706acb195e8ca761a494e6f467975df687d |
| SHA256 | d367e229f8bc9d139139adf5572c7f232ab73b039b78d0b55c0287cac5793fa5 |
| SHA512 | 44bab7fd2d208be0ef666294cd69671f0c8b400c1e5e37e641be467b63774145a48cb91ed97128642769a8d0fc6cd834bd3ae527b1fa63157b0831e7704e4e7a |
memory/3492-118-0x0000000000000000-mapping.dmp
memory/2628-119-0x0000000000000000-mapping.dmp