Analysis Overview
SHA256
c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12
Threat Level: Known bad
The file c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12 was found to be: Known bad.
Malicious Activity Summary
Amadey
Identifies VirtualBox via ACPI registry values (likely anti-VM)
Downloads MZ/PE file
Executes dropped EXE
Loads dropped DLL
Checks computer location settings
Identifies Wine through registry keys
Checks BIOS information in registry
Suspicious use of NtSetInformationThreadHideFromDebugger
Drops file in Windows directory
Unsigned PE
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious use of FindShellTrayWindow
Suspicious use of AdjustPrivilegeToken
Suspicious use of SendNotifyMessage
Checks SCSI registry key(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-27 17:18
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-27 17:18
Reported
2024-04-27 17:18
Platform
win10v2004-20240419-en
Max time kernel
25s
Max time network
28s
Command Line
Signatures
Amadey
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-877519540-908060166-1852957295-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\explorta.job | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
Enumerates physical storage devices
Checks SCSI registry key(s)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000 | C:\Windows\system32\taskmgr.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A | C:\Windows\system32\taskmgr.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_DADY&Prod_HARDDISK\4&215468a5&0&000000\FriendlyName | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| N/A | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeSystemProfilePrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeCreateGlobalPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: 33 | N/A | C:\Windows\system32\taskmgr.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\system32\taskmgr.exe | N/A |
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 4904 wrote to memory of 3088 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
| PID 4904 wrote to memory of 3088 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
| PID 4904 wrote to memory of 3088 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
"C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe"
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
"C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"
C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /0
Network
| Country | Destination | Domain | Proto |
| RU | 193.233.132.139:80 | tcp | |
| RU | 193.233.132.139:80 | tcp |
Files
memory/4904-0-0x0000000000CF0000-0x00000000011A9000-memory.dmp
memory/4904-1-0x0000000077B84000-0x0000000077B86000-memory.dmp
memory/4904-2-0x0000000005620000-0x0000000005621000-memory.dmp
memory/4904-6-0x0000000005600000-0x0000000005601000-memory.dmp
memory/4904-5-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/4904-4-0x0000000005650000-0x0000000005651000-memory.dmp
memory/4904-3-0x0000000005610000-0x0000000005611000-memory.dmp
memory/4904-8-0x0000000005660000-0x0000000005661000-memory.dmp
memory/4904-7-0x0000000005670000-0x0000000005671000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
| MD5 | 00d2b75c4c3e234c8576a67d24849596 |
| SHA1 | d5badbb62b2adbcef7e01b3b5bd342d11c09cdb5 |
| SHA256 | c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12 |
| SHA512 | 0fa5377df174c92130fea3352e60a9571e6724c39fb5397a94d93d84fec3b044ad3935a1ba5ab9243a66d2b5dc02756aeb087118e6a7097b810c01da6813cd7d |
memory/3088-21-0x0000000000340000-0x00000000007F9000-memory.dmp
memory/4904-22-0x0000000000CF0000-0x00000000011A9000-memory.dmp
memory/3088-24-0x0000000004EF0000-0x0000000004EF1000-memory.dmp
memory/3088-25-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
memory/3088-23-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
memory/3088-28-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/3088-27-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
memory/3088-26-0x0000000004F10000-0x0000000004F11000-memory.dmp
memory/3088-30-0x0000000004F30000-0x0000000004F31000-memory.dmp
memory/3088-29-0x0000000004F40000-0x0000000004F41000-memory.dmp
memory/3088-31-0x0000000000340000-0x00000000007F9000-memory.dmp
memory/5008-32-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-34-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-33-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-40-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-44-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-43-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-42-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-41-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-38-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/5008-39-0x0000014A19F80000-0x0000014A19F81000-memory.dmp
memory/3088-45-0x0000000000340000-0x00000000007F9000-memory.dmp
memory/3088-46-0x0000000000340000-0x00000000007F9000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-27 17:18
Reported
2024-04-27 17:18
Platform
win7-20231129-en
Max time kernel
3s
Max time network
5s
Command Line
Signatures
Amadey
Identifies VirtualBox via ACPI registry values (likely anti-VM)
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Downloads MZ/PE file
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Identifies Wine through registry keys
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\Software\Wine | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
Suspicious use of NtSetInformationThreadHideFromDebugger
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\Tasks\explorta.job | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | N/A |
Suspicious use of WriteProcessMemory
| Description | Indicator | Process | Target |
| PID 3040 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
| PID 3040 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
| PID 3040 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
| PID 3040 wrote to memory of 2536 | N/A | C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe | C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe |
Processes
C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe
"C:\Users\Admin\AppData\Local\Temp\c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12.exe"
C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
"C:\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe"
Network
| Country | Destination | Domain | Proto |
| RU | 193.233.132.139:80 | 193.233.132.139 | tcp |
| RU | 193.233.132.167:80 | 193.233.132.167 | tcp |
Files
memory/3040-0-0x00000000009E0000-0x0000000000E99000-memory.dmp
memory/3040-1-0x0000000077E00000-0x0000000077E02000-memory.dmp
memory/3040-2-0x0000000002640000-0x0000000002641000-memory.dmp
memory/3040-4-0x0000000002620000-0x0000000002621000-memory.dmp
memory/3040-3-0x0000000002760000-0x0000000002761000-memory.dmp
memory/3040-5-0x0000000002910000-0x0000000002911000-memory.dmp
memory/3040-12-0x0000000002560000-0x0000000002561000-memory.dmp
memory/3040-11-0x0000000002380000-0x0000000002381000-memory.dmp
memory/3040-10-0x00000000025D0000-0x00000000025D1000-memory.dmp
memory/3040-9-0x00000000025C0000-0x00000000025C1000-memory.dmp
memory/3040-8-0x00000000024D0000-0x00000000024D1000-memory.dmp
memory/3040-6-0x0000000000950000-0x0000000000951000-memory.dmp
memory/3040-7-0x0000000002630000-0x0000000002631000-memory.dmp
memory/3040-15-0x0000000002970000-0x0000000002971000-memory.dmp
memory/3040-14-0x00000000025B0000-0x00000000025B1000-memory.dmp
memory/3040-16-0x0000000002360000-0x0000000002361000-memory.dmp
memory/3040-17-0x0000000002B50000-0x0000000002B51000-memory.dmp
\Users\Admin\AppData\Local\Temp\5454e6f062\explorta.exe
| MD5 | 00d2b75c4c3e234c8576a67d24849596 |
| SHA1 | d5badbb62b2adbcef7e01b3b5bd342d11c09cdb5 |
| SHA256 | c81600b4e9f10f09529b539f4440225522777ad2d6b58400e4081f3117af7b12 |
| SHA512 | 0fa5377df174c92130fea3352e60a9571e6724c39fb5397a94d93d84fec3b044ad3935a1ba5ab9243a66d2b5dc02756aeb087118e6a7097b810c01da6813cd7d |
memory/2536-29-0x0000000000F30000-0x00000000013E9000-memory.dmp
memory/3040-28-0x00000000009E0000-0x0000000000E99000-memory.dmp
memory/3040-25-0x0000000007040000-0x00000000074F9000-memory.dmp
memory/2536-31-0x0000000000E20000-0x0000000000E21000-memory.dmp
memory/2536-32-0x0000000000BA0000-0x0000000000BA1000-memory.dmp
memory/2536-30-0x0000000000BC0000-0x0000000000BC1000-memory.dmp
memory/2536-33-0x0000000002860000-0x0000000002861000-memory.dmp
memory/2536-34-0x0000000000320000-0x0000000000321000-memory.dmp
memory/2536-36-0x00000000004B0000-0x00000000004B1000-memory.dmp
memory/2536-35-0x0000000000BB0000-0x0000000000BB1000-memory.dmp
memory/2536-38-0x0000000000B50000-0x0000000000B51000-memory.dmp
memory/2536-39-0x0000000002850000-0x0000000002851000-memory.dmp
memory/2536-37-0x0000000000A40000-0x0000000000A41000-memory.dmp
memory/2536-40-0x0000000000460000-0x0000000000461000-memory.dmp
memory/2536-41-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/2536-46-0x0000000000330000-0x0000000000331000-memory.dmp
memory/2536-45-0x0000000002A00000-0x0000000002A01000-memory.dmp
memory/2536-44-0x0000000002870000-0x0000000002871000-memory.dmp
memory/2536-43-0x0000000000970000-0x0000000000971000-memory.dmp