Analysis Overview
SHA256
3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f
Threat Level: Known bad
The file 3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f was found to be: Known bad.
Malicious Activity Summary
Imminent RAT
Checks computer location settings
Adds Run key to start application
Drops desktop.ini file(s)
Suspicious use of SetThreadContext
Drops file in Windows directory
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: GetForegroundWindowSpam
MITRE ATT&CK
Enterprise Matrix V6
Analysis: static1
Detonation Overview
Reported
2022-07-03 16:16
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2022-07-03 16:16
Reported
2022-07-03 16:24
Platform
win7-20220414-en
Max time kernel
183s
Max time network
191s
Command Line
Signatures
Imminent RAT
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows\CurrentVersion\Run\bJeZQ = "C:\\Users\\Admin\\AppData\\Roaming\\bJeZQl\\WinDriv.url" | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1664 set thread context of 936 | N/A | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe |
Enumerates physical storage devices
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe
"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" / C choice /C Y /N /D Y /T 3 & Del C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
Files
memory/1664-54-0x0000000075CF1000-0x0000000075CF3000-memory.dmp
memory/1664-55-0x0000000074410000-0x00000000749BB000-memory.dmp
memory/1664-56-0x0000000074410000-0x00000000749BB000-memory.dmp
memory/936-57-0x0000000000451D1E-mapping.dmp
memory/1664-59-0x0000000000980000-0x0000000000983000-memory.dmp
memory/936-60-0x0000000074410000-0x00000000749BB000-memory.dmp
memory/1368-61-0x0000000000000000-mapping.dmp
memory/1664-62-0x0000000074410000-0x00000000749BB000-memory.dmp
memory/936-63-0x0000000074410000-0x00000000749BB000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2022-07-03 16:16
Reported
2022-07-03 16:25
Platform
win10v2004-20220414-en
Max time kernel
160s
Max time network
173s
Command Line
Signatures
Imminent RAT
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bJeZQ = "C:\\Users\\Admin\\AppData\\Roaming\\bJeZQl\\WinDriv.url" | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.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\InstallUtil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2724 set thread context of 3736 | N/A | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.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\InstallUtil.exe | N/A |
| File created | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
| File opened for modification | C:\Windows\assembly\Desktop.ini | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.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\InstallUtil.exe | N/A |
Suspicious behavior: MapViewOfSection
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
| Token: 33 | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
| Token: SeIncBasePriorityPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe
"C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe"
C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v2.0.50727\InstallUtil.exe"
C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" / C choice /C Y /N /D Y /T 3 & Del C:\Users\Admin\AppData\Local\Temp\3b7fc8611a9f65e9ab82a1b5fb02ea59c6c7da37e80b209d49b9756fd5756d5f.exe
C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
Network
| Country | Destination | Domain | Proto |
| NL | 88.221.144.179:80 | tcp | |
| NL | 88.221.144.179:80 | tcp | |
| US | 13.89.178.26:443 | 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 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| US | 8.8.8.8:53 | linkadrum.nl | udp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
| DE | 185.140.53.144:9630 | linkadrum.nl | tcp |
Files
memory/2724-130-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/2724-131-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/3736-132-0x0000000000000000-mapping.dmp
memory/2724-133-0x00000000060A0000-0x00000000060A3000-memory.dmp
memory/3736-134-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/3516-135-0x0000000000000000-mapping.dmp
memory/2724-136-0x0000000075520000-0x0000000075AD1000-memory.dmp
memory/3736-137-0x0000000075520000-0x0000000075AD1000-memory.dmp