Analysis
-
max time kernel
144s -
max time network
149s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system -
submitted
13/12/2023, 23:29
Behavioral task
behavioral1
Sample
af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe
Resource
win10-20231129-en
General
-
Target
af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe
-
Size
1.6MB
-
MD5
80519ce315d13f3abf5e48148011d606
-
SHA1
ae9895dd41c05ed9224260f3bf94a83ac5d78e19
-
SHA256
af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31
-
SHA512
095084ff0ccb306c1090239fb2e590b580502ed7c136ed6cb7c7806c3619368cc971004ec12770e080a6de481470672d1631cab2bfcbdc6cccfae5d4f7969e22
-
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 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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 4912 3664 WerFault.exe 73 -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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 508 schtasks.exe 400 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3664 wrote to memory of 400 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 75 PID 3664 wrote to memory of 400 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 75 PID 3664 wrote to memory of 400 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 75 PID 3664 wrote to memory of 508 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 78 PID 3664 wrote to memory of 508 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 78 PID 3664 wrote to memory of 508 3664 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe 78 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3426238547-133202173-2522127025-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.exe"C:\Users\Admin\AppData\Local\Temp\af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31.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:3664 -
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:400
-
-
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:508
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 16002⤵
- Program crash
PID:4912
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4084
-
\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:4164
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
1.6MB
MD580519ce315d13f3abf5e48148011d606
SHA1ae9895dd41c05ed9224260f3bf94a83ac5d78e19
SHA256af7e32f9c5f9241ed270f603e8a14b2bb3c259f50a7f2953b8cbffa38e174f31
SHA512095084ff0ccb306c1090239fb2e590b580502ed7c136ed6cb7c7806c3619368cc971004ec12770e080a6de481470672d1631cab2bfcbdc6cccfae5d4f7969e22
-
Filesize
3KB
MD510c8deaf493f7682d1359fb15ef9d4c7
SHA1754ef23eac7a39cae44d375519f708952547d13f
SHA256b7728b316807843a040eb31a835c84dd169f60d701aa7e446c0223fbca2209c7
SHA5123da38aec8ebc1a0f97aa4b6a17e1341ad69e8b5bd61bc3bb273b1104302805586d650d8ac873e1bd8a0c250c1e4a7775213ed2d5f63a00f31709ae1bf2396a5f
-
Filesize
92KB
MD58e8e7137325b5aa4e1206f338a7ccde7
SHA123a2d46d2812f664d8fff942d493e85afe5f6a27
SHA256bbbd94e3e65b0cf446d3f651f1a557e479c2adc8c0c955a18addd89fcd7ffe25
SHA5121512bc6ad27b5b794d44b2599ace04a325b32726a1c96e2f8a6f75d55c494e65a4cdd1ea241027d693cd54dc049ad4a23b2147bb1a49450b7949cc71dba06233