Analysis Overview
SHA256
4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c
Threat Level: Known bad
The file 4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Checks computer location settings
Drops startup file
Loads dropped DLL
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-06-25 03:43
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-06-25 03:43
Reported
2022-06-25 04:02
Platform
win7-20220414-en
Max time kernel
202s
Max time network
210s
Command Line
Signatures
Imminent RAT
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win32.Lnk | C:\Windows\SysWOW64\cscript.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\cscript.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1268 set thread context of 468 | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.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\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.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\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe
"C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe"
C:\Windows\SysWOW64\cscript.exe
"C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\Admin\win32.vbs
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 | nethunter.duckdns.org | udp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 8.8.8.8:53 | nethunter.duckdns.org | udp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
Files
memory/1268-54-0x0000000000C30000-0x0000000000E04000-memory.dmp
memory/1268-55-0x0000000075501000-0x0000000075503000-memory.dmp
memory/1268-56-0x0000000004320000-0x00000000043AA000-memory.dmp
memory/1268-57-0x0000000000790000-0x00000000007B8000-memory.dmp
memory/1736-58-0x0000000000000000-mapping.dmp
C:\Users\Admin\win32.vbs
| MD5 | bb19a425fe7febb5170c4c857ca7cdf7 |
| SHA1 | 1cff91a568bd3945144bd58abeb5bb42ba6f58b4 |
| SHA256 | 710e665eb73240b8907ea09851e369e6343f95f51d57b6d522f714ed6d052f50 |
| SHA512 | 7e904897e9ac0257cb30cc6f1593bf61560e59501395a180ba6ca23f233f9d580d294dd55ab1cddfa477da5e8b1fa174f0f47e6a5dd28ef2b00dd67461f08abf |
C:\Users\Admin\AppData\Roaming\win32.exe
| MD5 | cd55232383785ab644fe00e97b33de8c |
| SHA1 | 57936dbc491a89583662e6c380396553a93784e3 |
| SHA256 | 4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c |
| SHA512 | 12889a3eb616e4916749496e45ac9cbaa82861b4c4421fe583550dc6d5eb035271805bc90962850c4c359e607eda273810a4b0042b904389acadbcda97ddfedc |
\Users\Admin\AppData\Roaming\win32.exe
| MD5 | cd55232383785ab644fe00e97b33de8c |
| SHA1 | 57936dbc491a89583662e6c380396553a93784e3 |
| SHA256 | 4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c |
| SHA512 | 12889a3eb616e4916749496e45ac9cbaa82861b4c4421fe583550dc6d5eb035271805bc90962850c4c359e607eda273810a4b0042b904389acadbcda97ddfedc |
memory/1268-63-0x0000000004DD0000-0x0000000004E26000-memory.dmp
memory/468-65-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-64-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-74-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-72-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-70-0x0000000000451F0E-mapping.dmp
memory/468-69-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-68-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-67-0x0000000000400000-0x0000000000456000-memory.dmp
memory/468-76-0x0000000074160000-0x000000007470B000-memory.dmp
memory/468-77-0x0000000074160000-0x000000007470B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-06-25 03:43
Reported
2022-06-25 04:03
Platform
win10v2004-20220414-en
Max time kernel
189s
Max time network
197s
Command Line
Signatures
Imminent RAT
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\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\win32.Lnk | C:\Windows\SysWOW64\cscript.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 |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2000 set thread context of 3140 | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.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
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.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\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.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\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe
"C:\Users\Admin\AppData\Local\Temp\4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c.exe"
C:\Windows\SysWOW64\cscript.exe
"C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\Admin\win32.vbs
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 | 20.189.173.9:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| IE | 20.54.89.15:443 | tcp | |
| US | 204.79.197.200:443 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 8.8.8.8:53 | 151.122.125.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nethunter.duckdns.org | udp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 8.8.8.8:53 | nethunter.duckdns.org | udp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
| US | 216.38.7.252:2018 | nethunter.duckdns.org | tcp |
Files
memory/2000-130-0x0000000000EF0000-0x00000000010C4000-memory.dmp
memory/2000-131-0x0000000005ED0000-0x00000000063FC000-memory.dmp
memory/3060-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\win32.vbs
| MD5 | bb19a425fe7febb5170c4c857ca7cdf7 |
| SHA1 | 1cff91a568bd3945144bd58abeb5bb42ba6f58b4 |
| SHA256 | 710e665eb73240b8907ea09851e369e6343f95f51d57b6d522f714ed6d052f50 |
| SHA512 | 7e904897e9ac0257cb30cc6f1593bf61560e59501395a180ba6ca23f233f9d580d294dd55ab1cddfa477da5e8b1fa174f0f47e6a5dd28ef2b00dd67461f08abf |
C:\Users\Admin\AppData\Roaming\win32.exe
| MD5 | cd55232383785ab644fe00e97b33de8c |
| SHA1 | 57936dbc491a89583662e6c380396553a93784e3 |
| SHA256 | 4c95cd5e2a9dbaa6ae39fdf1cd92253efb5c1a4150a855b0adbd902c793e671c |
| SHA512 | 12889a3eb616e4916749496e45ac9cbaa82861b4c4421fe583550dc6d5eb035271805bc90962850c4c359e607eda273810a4b0042b904389acadbcda97ddfedc |
memory/2000-135-0x00000000065F0000-0x000000000668C000-memory.dmp
memory/3140-137-0x0000000000400000-0x0000000000456000-memory.dmp
memory/3140-136-0x0000000000000000-mapping.dmp
memory/3140-138-0x0000000075480000-0x0000000075A31000-memory.dmp
memory/3140-139-0x0000000075480000-0x0000000075A31000-memory.dmp