Analysis Overview
SHA256
3341abf6dbefb8aec171f3766a4a23f323ff207e1b031946ee4dbe6dbb2d45a4
Threat Level: Shows suspicious behavior
The file Ana.zip was found to be: Shows suspicious behavior.
Malicious Activity Summary
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
UPX packed file
Checks whether UAC is enabled
Checks installed software on the system
Writes to the Master Boot Record (MBR)
Enumerates physical storage devices
Unsigned PE
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-11 15:06
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-11 15:06
Reported
2024-06-11 15:07
Platform
win10v2004-20240508-en
Max time kernel
2s
Max time network
4s
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 |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\[email protected] | 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 |
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\[email protected]
"C:\Users\Admin\AppData\Local\Temp\[email protected]"
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"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | middlechrist.com | udp |
| 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 |
memory/3112-22-0x0000000073BE2000-0x0000000073BE3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DB.EXE
| MD5 | c6746a62feafcb4fca301f606f7101fa |
| SHA1 | e09cd1382f9ceec027083b40e35f5f3d184e485f |
| SHA256 | b5a255d0454853c8afc0b321e1d86dca22c3dbefb88e5d385d2d72f9bc0109e6 |
| SHA512 | ee5dfa08c86bf1524666f0851c729970dbf0b397db9595a2bae01516299344edb68123e976592a83e492f2982fafe8d350ba2d41368eb4ecf4e6fe12af8f5642 |
C:\Users\Admin\AppData\Local\Temp\EN.EXE
| MD5 | 621f2279f69686e8547e476b642b6c46 |
| SHA1 | 66f486cd566f86ab16015fe74f50d4515decce88 |
| SHA256 | c17a18cf2c243303b8a6688aad83b3e6e9b727fcd89f69065785ef7f1a2a3e38 |
| SHA512 | 068402b02f1056b722f21b0a354b038f094d02e4a066b332553cd6b36e3640e8f35aa0499a2b057c566718c3593d3cea6bbabd961e04f0a001fd45d8be8e1c4e |
memory/4496-33-0x0000000000400000-0x0000000000445000-memory.dmp
memory/4496-49-0x0000000000550000-0x00000000005E3000-memory.dmp
memory/2140-59-0x0000000000400000-0x000000000040A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\SB.EXE
| MD5 | 9252e1be9776af202d6ad5c093637022 |
| SHA1 | 6cc686d837cd633d9c2e8bc1eaba5fc364bf71d8 |
| SHA256 | ce822ff86e584f15b6abd14c61453bd3b481d4ec3fdeb961787fceb52acd8bd6 |
| SHA512 | 98b1b3ce4d16d36f738478c6cf41e8f4a57d3a5ecfa8999d45592f79a469d8af8554bf4d5db34cb79cec71ce103f4fde1b41bd3cce30714f803e432e53da71ea |
memory/3112-60-0x0000000073BE2000-0x0000000073BE4000-memory.dmp
memory/4496-58-0x00000000001C0000-0x00000000001F1000-memory.dmp
memory/4496-50-0x0000000000550000-0x00000000005E3000-memory.dmp
memory/3112-55-0x0000000073BE0000-0x0000000074191000-memory.dmp
memory/4496-46-0x0000000000550000-0x00000000005E3000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\GB.EXE
| MD5 | fe731b4c6684d643eb5b55613ef9ed31 |
| SHA1 | cfafe2a14f5413278304920154eb467f7c103c80 |
| SHA256 | e7953daad7a68f8634ded31a21a31f0c2aa394ca9232e2f980321f7b69176496 |
| SHA512 | f7756d69138df6d3b0ffa47bdf274e5fd8aab4fff9d68abe403728c8497ac58e0f3d28d41710de715f57b7a2b5daa2dd7e04450f19c6d013a08f543bd6fc9c2e |
C:\Users\Admin\AppData\Local\Temp\tsa.crt
| MD5 | 6e630504be525e953debd0ce831b9aa0 |
| SHA1 | edfa47b3edf98af94954b5b0850286a324608503 |
| SHA256 | 2563fe2f793f119a1bae5cca6eab9d8c20409aa1f1e0db341c623e1251244ef5 |
| SHA512 | bbcf285309a4d5605e19513c77ef077a4c451cbef04e3cbdfec6d15cc157a9800a7ff6f70964b0452ddb939ff50766e887904eda06a9999fdedf5b2e8776ebd2 |