Analysis Overview
SHA256
07641c7d357377a5d16a0ef703908297c4d0dd7963fa0b7616f59f7689b47d1b
Threat Level: Known bad
The file 67a8d8448eb6c623a85a1955b3458757 was found to be: Known bad.
Malicious Activity Summary
Ardamax main executable
Ardamax
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Adds Run key to start application
Checks installed software on the system
Drops file in System32 directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-01-19 12:47
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-01-19 12:47
Reported
2024-01-19 12:50
Platform
win7-20231215-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\CRO Start = "C:\\Windows\\SysWOW64\\RPANNB\\CRO.exe" | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.004 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.001 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.002 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\AKV.exe | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.exe | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\RPANNB\ | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 2668 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
| PID 2668 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
| PID 2668 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
| PID 2668 wrote to memory of 2872 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe
"C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe"
C:\Windows\SysWOW64\RPANNB\CRO.exe
"C:\Windows\system32\RPANNB\CRO.exe"
Network
Files
C:\Windows\SysWOW64\RPANNB\CRO.exe
| MD5 | d95623e481661c678a0546e02f10f24c |
| SHA1 | b6949e68a19b270873764585eb1e82448d1e0717 |
| SHA256 | cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da |
| SHA512 | dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591 |
\Windows\SysWOW64\RPANNB\CRO.001
| MD5 | f354f72924cdfe4c8afcc85005803b21 |
| SHA1 | 817bf228f2f6fdb45bc54abb30efe96729bd65c8 |
| SHA256 | d1edf8e95bc50e5fc944b07c19d643a9a3dc17e6744c718257baf8b79789e540 |
| SHA512 | 57e837cc6901558fe114f5cf06590dde935daf4bd16eb9bbce76967944e079b615a8da827d46ff27d0b841a1bf9701a86618090cb5b6dd5e1bac1630cdad0233 |
memory/2872-15-0x0000000000230000-0x0000000000231000-memory.dmp
C:\Windows\SysWOW64\RPANNB\CRO.004
| MD5 | 6e618523d4750a4f7f4c1c5fd5d7ec71 |
| SHA1 | a3f6e10b4215fe7990dc7286903437c088cd1f80 |
| SHA256 | 297249fdf2f32fee9df93c33e8285b2165dc3989d869207662becec986b5699f |
| SHA512 | 5398716e8f0184cdfa7eadfc00c16446745266ff1229664d29239074fd36fc71dd1b2e9fe956cfc19a0bde370c1fb122ff80eec5337dfeaf5faf3da2bbb821b5 |
C:\Windows\SysWOW64\RPANNB\CRO.002
| MD5 | f195701cf2c54d6ceadad943cf5135b8 |
| SHA1 | 9beb03fc097fc58d7375b0511b87ced98a423a08 |
| SHA256 | 177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec |
| SHA512 | f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025 |
C:\Windows\SysWOW64\RPANNB\AKV.exe
| MD5 | b905540561802896d1609a5709c38795 |
| SHA1 | a265f7c1d428ccece168d36ae1a5f50abfb69e37 |
| SHA256 | ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53 |
| SHA512 | 7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc |
Analysis: behavioral2
Detonation Overview
Submitted
2024-01-19 12:47
Reported
2024-01-19 12:50
Platform
win10v2004-20231215-en
Max time kernel
137s
Max time network
159s
Command Line
Signatures
Ardamax
Ardamax main executable
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3073191680-435865314-2862784915-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CRO Start = "C:\\Windows\\SysWOW64\\RPANNB\\CRO.exe" | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Checks installed software on the system
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.004 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.001 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.002 | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\AKV.exe | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File created | C:\Windows\SysWOW64\RPANNB\CRO.exe | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\RPANNB\ | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: 33 | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\RPANNB\CRO.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 1572 wrote to memory of 232 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
| PID 1572 wrote to memory of 232 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
| PID 1572 wrote to memory of 232 | N/A | C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe | C:\Windows\SysWOW64\RPANNB\CRO.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe
"C:\Users\Admin\AppData\Local\Temp\67a8d8448eb6c623a85a1955b3458757.exe"
C:\Windows\SysWOW64\RPANNB\CRO.exe
"C:\Windows\system32\RPANNB\CRO.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 180.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 88.65.42.20.in-addr.arpa | udp |
Files
C:\Windows\SysWOW64\RPANNB\CRO.exe
| MD5 | d95623e481661c678a0546e02f10f24c |
| SHA1 | b6949e68a19b270873764585eb1e82448d1e0717 |
| SHA256 | cecfadce6fb09b3977c20d15fb40f8f66a1d7e488a4794451d048a598c3417da |
| SHA512 | dee02644d92ed30e88bb10e9dcdba97abd9949b230059ec20cf5d93061f9cdb77b1e793e5f69d0b51595c30077c3ddd093348d22b070ce898ccefe28b8062591 |
C:\Windows\SysWOW64\RPANNB\CRO.004
| MD5 | 6e618523d4750a4f7f4c1c5fd5d7ec71 |
| SHA1 | a3f6e10b4215fe7990dc7286903437c088cd1f80 |
| SHA256 | 297249fdf2f32fee9df93c33e8285b2165dc3989d869207662becec986b5699f |
| SHA512 | 5398716e8f0184cdfa7eadfc00c16446745266ff1229664d29239074fd36fc71dd1b2e9fe956cfc19a0bde370c1fb122ff80eec5337dfeaf5faf3da2bbb821b5 |
C:\Windows\SysWOW64\RPANNB\CRO.001
| MD5 | f354f72924cdfe4c8afcc85005803b21 |
| SHA1 | 817bf228f2f6fdb45bc54abb30efe96729bd65c8 |
| SHA256 | d1edf8e95bc50e5fc944b07c19d643a9a3dc17e6744c718257baf8b79789e540 |
| SHA512 | 57e837cc6901558fe114f5cf06590dde935daf4bd16eb9bbce76967944e079b615a8da827d46ff27d0b841a1bf9701a86618090cb5b6dd5e1bac1630cdad0233 |
C:\Windows\SysWOW64\RPANNB\AKV.exe
| MD5 | b905540561802896d1609a5709c38795 |
| SHA1 | a265f7c1d428ccece168d36ae1a5f50abfb69e37 |
| SHA256 | ce666ce776c30251bb1b465d47826c23efaa86ec5ee50b2a4d23a4ceb343ed53 |
| SHA512 | 7663654f134f47a8092bae1f3f9d46732d2541ab955e7604d43a0def1e61e2bc039a6753e94d99f1d04b69f55a86f1fb937513671019f1bdf100edb97b24badc |
C:\Windows\SysWOW64\RPANNB\CRO.002
| MD5 | f195701cf2c54d6ceadad943cf5135b8 |
| SHA1 | 9beb03fc097fc58d7375b0511b87ced98a423a08 |
| SHA256 | 177c1dcc7f13158445f0b99713e9cad205da86e764940a48d43dc375565b0dec |
| SHA512 | f78def1ab431bb2b7b647ec76c063c30a87cabd22605f94cbe4fbb6f757fd54ddf7861d3842a0e369abfce94b68d41dec0fe2322a74f67d9875f561f92b20025 |
memory/232-16-0x00000000005D0000-0x00000000005D1000-memory.dmp
memory/232-18-0x00000000005D0000-0x00000000005D1000-memory.dmp