Analysis Overview
SHA256
117d7af0deb40b3fe532bb6cbe374884fa55ed7cfe053fe698720cdccb5a59cb
Threat Level: Shows suspicious behavior
The file Ana.exe was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks BIOS information in registry
UPX packed file
Executes dropped EXE
Checks installed software on the system
Checks whether UAC is enabled
Writes to the Master Boot Record (MBR)
Unsigned PE
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Modifies system certificate store
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-12 12:31
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-12 12:31
Reported
2024-06-12 12:33
Platform
win10-20240404-en
Max time kernel
17s
Max time network
18s
Command Line
Signatures
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AV.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\AV2.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\EN.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\SB.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 |
Checks installed software on the system
Checks whether UAC is enabled
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\physicaldrive0 | C:\Users\Admin\AppData\Local\Temp\SB.EXE | N/A |
Enumerates physical storage devices
Modifies system certificate store
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\30530A0C86EDB1CD5A2A5FE37EF3BF28E69BE16D | C:\Users\Admin\AppData\Local\Temp\AV.EXE | N/A |
| Set value (data) | \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\30530A0C86EDB1CD5A2A5FE37EF3BF28E69BE16D\Blob = 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 | C:\Users\Admin\AppData\Local\Temp\AV.EXE | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\DB.EXE | N/A |
| Token: SeShutdownPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\SB.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\Ana.exe
"C:\Users\Admin\AppData\Local\Temp\Ana.exe"
C:\Users\Admin\AppData\Local\Temp\AV.EXE
"C:\Users\Admin\AppData\Local\Temp\AV.EXE"
C:\Users\Admin\AppData\Local\Temp\AV2.EXE
"C:\Users\Admin\AppData\Local\Temp\AV2.EXE"
C:\Users\Admin\AppData\Local\Temp\DB.EXE
"C:\Users\Admin\AppData\Local\Temp\DB.EXE"
C:\Users\Admin\AppData\Local\Temp\EN.EXE
"C:\Users\Admin\AppData\Local\Temp\EN.EXE"
C:\Users\Admin\AppData\Local\Temp\SB.EXE
"C:\Users\Admin\AppData\Local\Temp\SB.EXE"
C:\Windows\system32\werfault.exe
werfault.exe /h /shared Global\dc3c49651ffc4653ad5a859e889db6ce /t 3404 /p 3400
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | aeravine.com | udp |
| US | 8.8.8.8:53 | middlechrist.com | udp |
| US | 8.8.8.8:53 | bemachin.com | udp |
| US | 66.96.162.135:80 | middlechrist.com | tcp |
| US | 8.8.8.8:53 | aeravine.com | udp |
Files
C:\Users\Admin\AppData\Local\Temp\AV.EXE
| MD5 | f284568010505119f479617a2e7dc189 |
| SHA1 | e23707625cce0035e3c1d2255af1ed326583a1ea |
| SHA256 | 26c8f13ea8dc17443a9fa005610537cb6700aebaf748e747e9278d504e416eb1 |
| SHA512 | ebe96e667dfde547c5a450b97cd7534b977f4073c7f4cbc123a0e00baaefeb3be725c1cafbfb5bb040b3359267954cd1b4e2094ef71fc273732016ee822064bf |
C:\Users\Admin\AppData\Local\Temp\AV2.EXE
| MD5 | 014578edb7da99e5ba8dd84f5d26dfd5 |
| SHA1 | df56d701165a480e925a153856cbc3ab799c5a04 |
| SHA256 | 4ce5e8b510895abb204f97e883d8cbaacc29ccef0844d9ae81f8666f234b0529 |
| SHA512 | bd5159af96d83fc7528956c5b1bd6f93847db18faa0680c6041f87bbebef5e3ba2de1f185d77ff28b8d7d78ec4f7bd54f48b37a16da39f43314ef022b4a36068 |
C:\Users\Admin\AppData\Local\Temp\DB.EXE
| MD5 | c6746a62feafcb4fca301f606f7101fa |
| SHA1 | e09cd1382f9ceec027083b40e35f5f3d184e485f |
| SHA256 | b5a255d0454853c8afc0b321e1d86dca22c3dbefb88e5d385d2d72f9bc0109e6 |
| SHA512 | ee5dfa08c86bf1524666f0851c729970dbf0b397db9595a2bae01516299344edb68123e976592a83e492f2982fafe8d350ba2d41368eb4ecf4e6fe12af8f5642 |
memory/836-20-0x00000000006B0000-0x0000000000743000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\EN.EXE
| MD5 | 621f2279f69686e8547e476b642b6c46 |
| SHA1 | 66f486cd566f86ab16015fe74f50d4515decce88 |
| SHA256 | c17a18cf2c243303b8a6688aad83b3e6e9b727fcd89f69065785ef7f1a2a3e38 |
| SHA512 | 068402b02f1056b722f21b0a354b038f094d02e4a066b332553cd6b36e3640e8f35aa0499a2b057c566718c3593d3cea6bbabd961e04f0a001fd45d8be8e1c4e |
memory/836-28-0x00000000006B0000-0x0000000000743000-memory.dmp
memory/836-27-0x00000000006B0000-0x0000000000743000-memory.dmp
memory/4632-26-0x0000000000400000-0x000000000040A000-memory.dmp
memory/836-25-0x0000000000450000-0x0000000000481000-memory.dmp
memory/836-24-0x0000000000400000-0x0000000000445000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SB.EXE
| MD5 | 9252e1be9776af202d6ad5c093637022 |
| SHA1 | 6cc686d837cd633d9c2e8bc1eaba5fc364bf71d8 |
| SHA256 | ce822ff86e584f15b6abd14c61453bd3b481d4ec3fdeb961787fceb52acd8bd6 |
| SHA512 | 98b1b3ce4d16d36f738478c6cf41e8f4a57d3a5ecfa8999d45592f79a469d8af8554bf4d5db34cb79cec71ce103f4fde1b41bd3cce30714f803e432e53da71ea |
memory/4684-36-0x0000000002AE0000-0x0000000002AF0000-memory.dmp
memory/4904-43-0x0000000000400000-0x0000000000464000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\tsa.crt
| MD5 | 6e630504be525e953debd0ce831b9aa0 |
| SHA1 | edfa47b3edf98af94954b5b0850286a324608503 |
| SHA256 | 2563fe2f793f119a1bae5cca6eab9d8c20409aa1f1e0db341c623e1251244ef5 |
| SHA512 | bbcf285309a4d5605e19513c77ef077a4c451cbef04e3cbdfec6d15cc157a9800a7ff6f70964b0452ddb939ff50766e887904eda06a9999fdedf5b2e8776ebd2 |
memory/4632-42-0x0000000000400000-0x000000000040A000-memory.dmp