Analysis Overview
SHA256
3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0
Threat Level: Known bad
The file 3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0 was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Checks computer location settings
Drops startup file
Loads dropped DLL
Obfuscated with Agile.Net obfuscator
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-03 08:15
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-03 08:15
Reported
2022-07-03 08:33
Platform
win7-20220414-en
Max time kernel
151s
Max time network
151s
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\vbc.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 |
Obfuscated with Agile.Net obfuscator
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1516 set thread context of 1296 | N/A | C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe
"C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe"
C:\Windows\SysWOW64\cscript.exe
"C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\Admin\vbc.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 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 8.8.8.8:53 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 8.8.8.8:53 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
Files
memory/1516-54-0x0000000000E70000-0x0000000000F18000-memory.dmp
memory/1516-55-0x0000000075521000-0x0000000075523000-memory.dmp
memory/1516-56-0x0000000000220000-0x0000000000228000-memory.dmp
memory/1516-57-0x0000000004D90000-0x0000000004E18000-memory.dmp
memory/1516-58-0x00000000002A0000-0x00000000002F6000-memory.dmp
memory/1708-59-0x0000000000000000-mapping.dmp
C:\Users\Admin\vbc.vbs
| MD5 | 02afd0e76671e529c4ab8544550becb7 |
| SHA1 | f215c5cebf4f10d1a84eb4cf7a839ad0b70c44fe |
| SHA256 | c0370185ad0b494fa6b8785869c73cced65529b191241a43a16d63e7a938bcd8 |
| SHA512 | 06dcee27d943d984e1257bea95853748f1e7695b887ce698164845934dd525d31c26782d9203d3acc998fb210077a8d68ae8f562291b260ad298dbb265f795e1 |
C:\Users\Admin\AppData\Roaming\vbc.exe
| MD5 | 3a4603408b7f9cf81b35e35098333d47 |
| SHA1 | f78f6215dea5ecb2168b9b122e976e4a936a6ea0 |
| SHA256 | 3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0 |
| SHA512 | 5ba5bd6ace28cbdd8bb56c3f6b8490110ef903f8aae39583bb36195095796d429e6ed238971a6ad9fc8b25ee2a9f563ddb0a4c902f4ede5f4ecd1d626c0c17e9 |
\Users\Admin\AppData\Roaming\vbc.exe
| MD5 | 3a4603408b7f9cf81b35e35098333d47 |
| SHA1 | f78f6215dea5ecb2168b9b122e976e4a936a6ea0 |
| SHA256 | 3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0 |
| SHA512 | 5ba5bd6ace28cbdd8bb56c3f6b8490110ef903f8aae39583bb36195095796d429e6ed238971a6ad9fc8b25ee2a9f563ddb0a4c902f4ede5f4ecd1d626c0c17e9 |
memory/1296-64-0x0000000000451B9E-mapping.dmp
memory/1296-66-0x00000000744D0000-0x0000000074A7B000-memory.dmp
memory/1296-67-0x00000000744D0000-0x0000000074A7B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-03 08:15
Reported
2022-07-03 08:33
Platform
win10v2004-20220414-en
Max time kernel
150s
Max time network
155s
Command Line
Signatures
Imminent RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-1809750270-3141839489-3074374771-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe | N/A |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\vbc.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 4820 set thread context of 392 | N/A | C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.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: GetForegroundWindowSpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| 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\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe
"C:\Users\Admin\AppData\Local\Temp\3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0.exe"
C:\Windows\SysWOW64\cscript.exe
"C:\Windows\System32\cscript.exe" //B //Nologo C:\Users\Admin\vbc.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 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| NL | 104.110.191.133:80 | tcp | |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| FR | 2.18.109.224:443 | tcp | |
| US | 104.18.25.243:80 | tcp | |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 20.189.173.7:443 | tcp | |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| NL | 104.110.191.133:80 | tcp | |
| US | 8.8.8.8:53 | 14.110.152.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 8.8.8.8:53 | jackspro.duckdns.org | udp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
| US | 192.169.69.25:2018 | jackspro.duckdns.org | tcp |
Files
memory/4820-130-0x0000000000720000-0x00000000007C8000-memory.dmp
memory/4820-131-0x0000000005440000-0x000000000596C000-memory.dmp
memory/4268-132-0x0000000000000000-mapping.dmp
C:\Users\Admin\vbc.vbs
| MD5 | 02afd0e76671e529c4ab8544550becb7 |
| SHA1 | f215c5cebf4f10d1a84eb4cf7a839ad0b70c44fe |
| SHA256 | c0370185ad0b494fa6b8785869c73cced65529b191241a43a16d63e7a938bcd8 |
| SHA512 | 06dcee27d943d984e1257bea95853748f1e7695b887ce698164845934dd525d31c26782d9203d3acc998fb210077a8d68ae8f562291b260ad298dbb265f795e1 |
C:\Users\Admin\AppData\Roaming\vbc.exe
| MD5 | 3a4603408b7f9cf81b35e35098333d47 |
| SHA1 | f78f6215dea5ecb2168b9b122e976e4a936a6ea0 |
| SHA256 | 3c3557d4bcad650d784053c1b8cb81e94045a5c9bfca6c2c4af2546b353589e0 |
| SHA512 | 5ba5bd6ace28cbdd8bb56c3f6b8490110ef903f8aae39583bb36195095796d429e6ed238971a6ad9fc8b25ee2a9f563ddb0a4c902f4ede5f4ecd1d626c0c17e9 |
memory/392-135-0x0000000000000000-mapping.dmp
memory/392-136-0x0000000074F80000-0x0000000075531000-memory.dmp
memory/392-137-0x0000000074F80000-0x0000000075531000-memory.dmp