Analysis Overview
SHA256
8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2
Threat Level: Known bad
The file 8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2 was found to be: Known bad.
Malicious Activity Summary
Risepro family
Privateloader family
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Drops startup file
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks installed software on the system
Drops file in System32 directory
Enumerates physical storage devices
Unsigned PE
Program crash
Suspicious use of WriteProcessMemory
Checks processor information in registry
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
outlook_office_path
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-13 21:42
Signatures
Privateloader family
Risepro family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2023-12-13 21:42
Reported
2023-12-13 21:44
Platform
win10v2004-20231130-en
Max time kernel
138s
Max time network
149s
Command Line
Signatures
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Checks installed software on the system
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | ipinfo.io | N/A | N/A |
| N/A | ipinfo.io | N/A | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\System32\GroupPolicy | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\GroupPolicy\gpt.ini | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| File created | C:\Windows\System32\GroupPolicy\Machine\Registry.pol | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| File opened for modification | C:\Windows\System32\GroupPolicy\GPT.INI | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Enumerates physical storage devices
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Creates scheduled task(s)
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\schtasks.exe | N/A |
| 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\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe
"C:\Users\Admin\AppData\Local\Temp\8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2.exe"
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
C:\Windows\SysWOW64\schtasks.exe
schtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3544 -ip 3544
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 1684
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 85.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.205.248.87.in-addr.arpa | udp |
| N/A | 224.0.0.251:5353 | udp | |
| US | 193.233.132.51:50500 | tcp | |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 204.79.197.200:443 | g.bing.com | tcp |
| US | 8.8.8.8:53 | ipinfo.io | udp |
| US | 34.117.59.81:443 | ipinfo.io | tcp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 208.194.73.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 240.221.184.93.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.154.82.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 51.132.233.193.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.59.117.34.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 0.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | udp |
| US | 8.8.8.8:53 | 88.156.103.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 158.240.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 11.2.37.23.in-addr.arpa | udp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 204.79.197.200:443 | tse1.mm.bing.net | tcp |
| US | 8.8.8.8:53 | 59.128.231.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.165.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.134.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.47.74.20.in-addr.arpa | udp |
Files
C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
| MD5 | 26fba4d45045cd4843f4da044783ed47 |
| SHA1 | c75049051c0160f0cc1b08ec73c0914a9fac7400 |
| SHA256 | 8bbe56e2eef6db7f63f12779f40d894e384e749535fad9dcf390544604c80fa2 |
| SHA512 | f1a6d2a5606834b139cf8b7282fb07cdbf81ec2c0a63e2dbbbd2f281b71029d5b1f3a0a8b1ffc94d450fae9632987a420c94ed1ae66b0ef8f49d163c4bc3f200 |
C:\Users\Admin\AppData\Local\Temp\posterBoxXk_EI0z0kRWQe\ZunTSaNJLBVfWeb Data
| MD5 | f70aa3fa04f0536280f872ad17973c3d |
| SHA1 | 50a7b889329a92de1b272d0ecf5fce87395d3123 |
| SHA256 | 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8 |
| SHA512 | 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84 |
C:\Users\Admin\AppData\Local\Temp\posterBoxXk_EI0z0kRWQe\QdX9ITDLyCRBWeb Data
| MD5 | 5bca7f96843d97e2c39afbb8b5f9865b |
| SHA1 | e64666a5d705a768e2351621577a386400111251 |
| SHA256 | e25c46923271e687a972edfcf511d7685c24ce2e509a5b10d0ba4cd6f2bfeab2 |
| SHA512 | 40771d495b407c0ede8ad3e5d8e77cf588a607426f0597f0c10a81ec7b2614f28a66a1c5ff36bf8bf6905bdc6b537d8cc5a749725adfc57f72ec3c9ee17f76d3 |
C:\Users\Admin\AppData\Local\Temp\grandUIAXk_EI0z0kRWQe\information.txt
| MD5 | 716919b16349092602130594cb68e03e |
| SHA1 | f80d35637e9251b35b50fb5de01e6b953273993b |
| SHA256 | ab04bff77dfe4c5acc9625f23b19bd81e36f227cc4457f8ebcd9b92a6fc121a4 |
| SHA512 | 287837c142446fc725fecfaf83bcf1eb5350054c536c53d8275041ddcec009262347dee5848a247261653ef94ce06660d1e25c1846e299e6a092083713e76fea |