Analysis Overview
SHA256
2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee
Threat Level: Shows suspicious behavior
The file 2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Loads dropped DLL
Executes dropped EXE
Checks computer location settings
Deletes itself
Adds Run key to start application
Indicator Removal: File Deletion
UPX packed file
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-13 04:48
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-13 04:48
Reported
2024-11-13 04:50
Platform
win7-20241010-en
Max time kernel
117s
Max time network
119s
Command Line
Signatures
Deletes itself
| Description | Indicator | Process | Target |
| N/A | N/A | C:\windows\SysWOW64\cmd.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Graphics\guifx.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run" | C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
Indicator Removal: File Deletion
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 |
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\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Graphics\guifx.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\windows\SysWOW64\cmd.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe
"C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe"
C:\ProgramData\Graphics\guifx.exe
"C:\ProgramData\Graphics\guifx.exe" /run
C:\windows\SysWOW64\cmd.exe
"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| KR | 165.194.123.67:443 | tcp | |
| KR | 165.194.123.67:443 | tcp |
Files
memory/2708-0-0x0000000000DA0000-0x0000000000DBC000-memory.dmp
\ProgramData\Graphics\guifx.exe
| MD5 | 374f460ffc36b2ed6ed46dc4a88d3002 |
| SHA1 | c8ca7c8d244d6a5324b9736c66b5b858857c2233 |
| SHA256 | b9efa4e4156d705c980522c16011898bb3c1bba846ea2faf7b72b17b07122f1b |
| SHA512 | ac1bfcab064c2aa998a35978be6422c6a1e8c39581a3cb4b972a66ee17c32f23918717acd7f1997205b160c71c5720b5a33ec5874c6123f3492a92d00b4a6fff |
memory/2868-7-0x0000000000CF0000-0x0000000000D0C000-memory.dmp
memory/2708-6-0x0000000000CF0000-0x0000000000D0C000-memory.dmp
memory/2708-8-0x0000000000DA0000-0x0000000000DBC000-memory.dmp
memory/2708-9-0x0000000000CF0000-0x0000000000D0C000-memory.dmp
memory/2868-10-0x0000000000CF0000-0x0000000000D0C000-memory.dmp
memory/2708-11-0x0000000000DA0000-0x0000000000DBC000-memory.dmp
memory/2708-12-0x0000000000CF0000-0x0000000000D0C000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-13 04:48
Reported
2024-11-13 04:50
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
97s
Command Line
Signatures
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\ProgramData\Graphics\guifx.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Graphics = "\"C:\\ProgramData\\Graphics\\guifx.exe\" /run" | C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
Indicator Removal: File Deletion
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 |
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\cmd.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\ProgramData\Graphics\guifx.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe
"C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe"
C:\ProgramData\Graphics\guifx.exe
"C:\ProgramData\Graphics\guifx.exe" /run
C:\windows\SysWOW64\cmd.exe
"C:\windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\2753f9871c2152b4093544fc1c784b0baed86571b48d4b6d0d90ef3bf6d053ee.exe" >> NUL
Network
| Country | Destination | Domain | Proto |
| KR | 165.194.123.67:443 | tcp | |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.163.202.172.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| KR | 165.194.123.67:443 | tcp | |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 30.243.111.52.in-addr.arpa | udp |
Files
memory/3124-0-0x00000000005F0000-0x000000000060C000-memory.dmp
memory/884-4-0x0000000000300000-0x000000000031C000-memory.dmp
C:\ProgramData\Graphics\guifx.exe
| MD5 | f472f5db765127d8901386e0596c95ff |
| SHA1 | d2be15b0459515c82a9fe9f21535b7838b9d38f0 |
| SHA256 | 6f69d1ab9e43eefd8a76f3b7d73c9c87bdfdde243f487f813adf48d44295c5dd |
| SHA512 | 827893192cdba30dd8862a2597794d739c526f12321bb1edd090c635855da2fa4ca6e1c2cda4a1044c88b1848b8c27d9b59b37e79858801001335202a41254f7 |
memory/3124-6-0x00000000005F0000-0x000000000060C000-memory.dmp
memory/884-7-0x0000000000300000-0x000000000031C000-memory.dmp
memory/3124-8-0x00000000005F0000-0x000000000060C000-memory.dmp