Analysis Overview
SHA256
2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a
Threat Level: Known bad
The file 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a was found to be: Known bad.
Malicious Activity Summary
Privateloader family
Risepro family
Drops startup file
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Looks up external IP address via web service
Checks installed software on the system
Accesses Microsoft Outlook profiles
Adds Run key to start application
Drops file in System32 directory
Program crash
Unsigned PE
Enumerates physical storage devices
Checks processor information in registry
outlook_office_path
outlook_win_path
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2023-12-13 23:55
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 23:55
Reported
2023-12-13 23:58
Platform
win10v2004-20231127-en
Max time kernel
146s
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\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\GPT.INI | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| File opened for modification | C:\Windows\System32\GroupPolicy | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| File opened for modification | C:\Windows\SysWOW64\GroupPolicy\gpt.ini | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| File created | C:\Windows\System32\GroupPolicy\Machine\Registry.pol | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe |
Checks processor information in registry
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| Key opened | \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2013768333-4045878716-2922883000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.exe
"C:\Users\Admin\AppData\Local\Temp\2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a.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 436 -p 2524 -ip 2524
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 1724
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 147.177.190.20.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 | 95.221.229.192.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 | 173.178.17.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.78.124.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | ipinfo.io | udp |
| US | 34.117.59.81:443 | ipinfo.io | tcp |
| US | 8.8.8.8:53 | 23.181.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 81.59.117.34.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 41.110.16.96.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.58.199.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | tse1.mm.bing.net | 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 | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 26.35.223.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.243.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 233.17.178.52.in-addr.arpa | udp |
Files
C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
| MD5 | ff2f366a3c766a686a9ae5a74982252a |
| SHA1 | cfa3e40713600842e9092ee8499ca33defc8d3ad |
| SHA256 | 2d4ab242c496991f9c2d0b8bae6bbc6ac6e3af9e6ef4d203d8d1e85e90941e2a |
| SHA512 | 5eeba1d359ce2cacde4a00524260d3aae5f42854c4f76537635e9ed27a8c6fcf16bcd34982ad3cf9665f0e19f6dd58c043ecd42a13bad1480f25a4a00e02c6e1 |
C:\Users\Admin\AppData\Local\Temp\posterBoxvfNtibh3_0vZH\ZunTSaNJLBVfWeb Data
| MD5 | f70aa3fa04f0536280f872ad17973c3d |
| SHA1 | 50a7b889329a92de1b272d0ecf5fce87395d3123 |
| SHA256 | 8d782aa65de6db3538a14da82216e96d5e0a3c60496726e3541a8165bccc65f8 |
| SHA512 | 30675c5c610d9aa32a4c4a4d9c3af7570823cd197f8d2a709222c78e2cd15304bbed80e233e3674ec2f6e33d1961c67fd6a46dc8ba8b1a301cd0722932c03c84 |
C:\Users\Admin\AppData\Local\Temp\posterBoxvfNtibh3_0vZH\QdX9ITDLyCRBWeb Data
| MD5 | 250f6cee6a8be4a85cd0d78b8f9ac854 |
| SHA1 | 48a5be711abe88c0efb7204f6c792e67a99d390a |
| SHA256 | 21e090219937792f360789c94785cf969cf22fb9e2ae145dec419dc4beab1321 |
| SHA512 | 4685c2cbc34566879e5c494f1433996ce9541e048a87036876d0ec426a02a13af6ed606575306522def4dd19a3fcc34b95335f492b21960b28e8f12be82a35b7 |
C:\Users\Admin\AppData\Local\Temp\grandUIAvfNtibh3_0vZH\information.txt
| MD5 | 97fc12629b16b251ed8c29f0230bd4cb |
| SHA1 | 42ead08f52742000420701c5951292172bc4c2d1 |
| SHA256 | cd5a6db92599c69cf826dd4dfad8271c6eadf71a512f003b942c3beddaa43e91 |
| SHA512 | 01daa3d7c58940148f5aa55a272c16aaa3b2a32b811d43be1dabdcab6fdf6230f2a5920cdad8cba1bc3c00c2cb299be84735052ffdfe95219f1000d347f86075 |