Analysis Overview
SHA256
290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743
Threat Level: Known bad
The file 290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743 was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Looks for VirtualBox Guest Additions in registry
Looks for VMWare Tools registry key
Checks computer location settings
Checks BIOS information in registry
Drops desktop.ini file(s)
Maps connected drives based on registry
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-15 15:40
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-15 15:40
Reported
2022-06-15 19:36
Platform
win7-20220414-en
Max time kernel
152s
Max time network
154s
Command Line
Signatures
Imminent RAT
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Checks BIOS information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1984 set thread context of 772 | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe
"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CipuKk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBAF7.tmp"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | qayshaija.ddns.net | udp |
Files
memory/1984-54-0x00000000764C1000-0x00000000764C3000-memory.dmp
memory/1984-55-0x0000000074860000-0x0000000074E0B000-memory.dmp
memory/1984-56-0x0000000074860000-0x0000000074E0B000-memory.dmp
memory/524-57-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmpBAF7.tmp
| MD5 | 4b89bebc498a45b016e6cf4f6e2b2ef9 |
| SHA1 | 92495bd89f8885866af84b192770d3bd980aa573 |
| SHA256 | c31a4348a0e78eb58e2c3eab18054a5cf4306bfbc53a20cfbbb8105d6722061d |
| SHA512 | ca45ae35ddc0f7c7cd82292bff9be59619828f27ae6cfef14b775b9ccb1fb10819759bebba8105e609de8c09fcc00d4639392f3bfbb6a489569674d334ad5d13 |
memory/772-59-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-60-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-62-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-64-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-63-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-65-0x0000000000451C4E-mapping.dmp
memory/772-68-0x0000000000400000-0x0000000000456000-memory.dmp
memory/1984-67-0x0000000074860000-0x0000000074E0B000-memory.dmp
memory/772-70-0x0000000000400000-0x0000000000456000-memory.dmp
memory/772-72-0x00000000744C0000-0x0000000074A6B000-memory.dmp
memory/772-73-0x00000000744C0000-0x0000000074A6B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-15 15:40
Reported
2022-06-15 19:36
Platform
win10v2004-20220414-en
Max time kernel
153s
Max time network
153s
Command Line
Signatures
Imminent RAT
Looks for VirtualBox Guest Additions in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Looks for VMWare Tools registry key
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.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\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Drops desktop.ini file(s)
| Description | Indicator | Process | Target |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Maps connected drives based on registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4808 set thread context of 3480 | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Drops file in Windows directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\assembly | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Enumerates physical storage devices
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe
"C:\Users\Admin\AppData\Local\Temp\290906f49b5ee43d584cd47d44d8cc86662ba975494049d0f518fe3fcf9fd743.exe"
C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CipuKk" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3D76.tmp"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 52.168.117.170:443 | tcp | |
| US | 8.8.8.8:53 | qayshaija.ddns.net | udp |
| US | 8.8.8.8:53 | 97.97.242.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | d.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.3.0.0.0.5.0.8.0.0.3.0.1.3.0.6.2.ip6.arpa | udp |
Files
memory/4808-130-0x0000000074ED0000-0x0000000075481000-memory.dmp
memory/4808-131-0x0000000074ED0000-0x0000000075481000-memory.dmp
memory/4980-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\AppData\Local\Temp\tmp3D76.tmp
| MD5 | 4e81dcc6abe0857365710fb75065bb03 |
| SHA1 | 7a68fe408d282eaca6adab3e3062518beefb7938 |
| SHA256 | 7028cd739a151edb9e8dbd2d55cf036f2dd5df1a6e16f812915cf0570f34e38b |
| SHA512 | 8d7d26508a24ee6ccaae1402c25b4b5c93794e425ad20efbd410040881364a6c7033bdb1f17964d137f3bba32a494164f44ceaf4fa3519249f9943258f11ac95 |
memory/3480-134-0x0000000000000000-mapping.dmp
memory/3480-135-0x0000000000400000-0x0000000000456000-memory.dmp
memory/4808-136-0x0000000074ED0000-0x0000000075481000-memory.dmp
memory/3480-137-0x0000000074ED0000-0x0000000075481000-memory.dmp
memory/3480-138-0x0000000074ED0000-0x0000000075481000-memory.dmp