Analysis
-
max time kernel
126s -
max time network
131s -
platform
windows10-1703_x64 -
resource
win10-20231023-en -
resource tags
arch:x64arch:x86image:win10-20231023-enlocale:en-usos:windows10-1703-x64system -
submitted
13/12/2023, 23:56
Behavioral task
behavioral1
Sample
2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe
Resource
win10-20231023-en
General
-
Target
2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe
-
Size
1.6MB
-
MD5
6caa2fafb3daa1da81c7f1fcac3956a8
-
SHA1
be0a4610e12455c4807604bbd41646bbc5d7cb7d
-
SHA256
2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448
-
SHA512
9876339d21ee82b8c34dc6fbb0cd5415f00384143d2bab79c8cbf8f8f1d962a1687e664d7f52f9262a1fc5b889747916dc4d49fa7e83354f8ad77fc52a48e3cf
-
SSDEEP
49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u
Malware Config
Signatures
-
Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ipinfo.io 4 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Program crash 1 IoCs
pid pid_target Process procid_target 4812 800 WerFault.exe 70 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 3156 schtasks.exe 4744 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 800 wrote to memory of 3156 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 71 PID 800 wrote to memory of 3156 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 71 PID 800 wrote to memory of 3156 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 71 PID 800 wrote to memory of 4744 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 75 PID 800 wrote to memory of 4744 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 75 PID 800 wrote to memory of 4744 800 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe 75 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-946614337-2046421199-3397417319-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe"C:\Users\Admin\AppData\Local\Temp\2e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448.exe"1⤵
- Drops startup file
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Drops file in System32 directory
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:800 -
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 HR" /sc HOURLY /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:3156
-
-
C:\Windows\SysWOW64\schtasks.exeschtasks /create /f /RU "Admin" /tr "C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe" /tn "OfficeTrackerNMP131 LG" /sc ONLOGON /rl HIGHEST2⤵
- Creates scheduled task(s)
PID:4744
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 800 -s 15762⤵
- Program crash
PID:4812
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4716
-
\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:608
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.6MB
MD56caa2fafb3daa1da81c7f1fcac3956a8
SHA1be0a4610e12455c4807604bbd41646bbc5d7cb7d
SHA2562e66ff2866f789dc6a3a8aadf7ce8c44bce8ef5b1703385554df3d720012c448
SHA5129876339d21ee82b8c34dc6fbb0cd5415f00384143d2bab79c8cbf8f8f1d962a1687e664d7f52f9262a1fc5b889747916dc4d49fa7e83354f8ad77fc52a48e3cf
-
Filesize
3KB
MD506d0b797fb9f9bcb6f9d5ed4d857186d
SHA1fdd07b1c186caf1b1479e21927dc29f17eb5a5c3
SHA25636502583021af5085846d714cc76b2036fa01a7560a57f2491d562f439e6e8af
SHA5124746e5952dd959c756706c66d7c70e3c4cf6deb1666fc7ed6f3232adfa5ee31e71d992146b0a344f7bdf837188705aaa6f5a5916b3dd4c729c9afdc86e54424b
-
Filesize
92KB
MD5674e2655c91200908ca7eea977ffc25b
SHA10ff0e11d5933cf382d7381edbc6f216d97a2e181
SHA2566d9706346ebea4d1cdb447635404e8a662bc2f40bc6d829b45d50aeedeeaffaa
SHA512304ad62ea8746a6dd086687bbd9d22031c2a731d0d7809ebffaaa6649ee16a9bc89e2dc17eb360dc81309fde5a797bd9398928708d63c08cc7d4e51c2f959642