Analysis
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max time kernel
148s -
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, 21:43
Behavioral task
behavioral1
Sample
f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe
Resource
win10-20231129-en
General
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Target
f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe
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Size
1.6MB
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MD5
5e47ed582ef8b2c6c8916f66b3bac830
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SHA1
9157903b4858143be8f493fb09d08cc7466daef6
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SHA256
f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981
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SHA512
441f8fc6b8f0a7d37171bff0b5df547c7337eb8a49d0e574aad8e2aee3109727de36184aff07882170ed8e66bd919aaed294ce3c76ae05e142dc6ab5b0d3f898
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SSDEEP
49152:80ceOGgUYYEmluRKYoFh4kGWusbQnIyDi1E1uonTKi/OjCCNG:1XOGgUYC4RKXFhrusbaDkE1u
Malware Config
Signatures
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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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 4 ipinfo.io 3 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 360 5088 WerFault.exe 72 -
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 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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 3184 schtasks.exe 1940 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5088 wrote to memory of 3184 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 73 PID 5088 wrote to memory of 3184 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 73 PID 5088 wrote to memory of 3184 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 73 PID 5088 wrote to memory of 1940 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 78 PID 5088 wrote to memory of 1940 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 78 PID 5088 wrote to memory of 1940 5088 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe 78 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3802588206-2855991289-4225012448-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.exe"C:\Users\Admin\AppData\Local\Temp\f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981.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:5088 -
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:3184
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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:1940
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5088 -s 16322⤵
- Program crash
PID:360
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:3880
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:5060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD55e47ed582ef8b2c6c8916f66b3bac830
SHA19157903b4858143be8f493fb09d08cc7466daef6
SHA256f614e7bcc9886b11c5b028af6804e6e4e2021ae290b604c98d2c9bd5025e4981
SHA512441f8fc6b8f0a7d37171bff0b5df547c7337eb8a49d0e574aad8e2aee3109727de36184aff07882170ed8e66bd919aaed294ce3c76ae05e142dc6ab5b0d3f898
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Filesize
3KB
MD58949b53de371c3975ce9eb1ce0341abe
SHA14ece070bd5ef938eaabffd15cef090adadd6886b
SHA2565491ca4891513593a46fd6245ec10aaaf4ed71026806de7ff1e222380f4183f9
SHA512762a91b05b35b58472b5ce3131f2aa5b3908e7423ccedab40bc82b2479f0b9fdc049b342ccc6b0e6a1046f3d03f95e51191afda170b1300de43dfaaa19819516
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Filesize
92KB
MD5982861d9583057c9107636f512d24c82
SHA1b8f0f8e9d07dc653f587912d1aba91bfd8cd9bab
SHA25649bcb23ce630b736c6ff8a08cc8929ac5c1168fd367c9ddfa79c1939efed95d5
SHA51231f616df72551dc1b5732692efd746ec336fb0dfe38dd3a7a2f08c46abb8b6757d9542889f63f63698317a50fc0de65aa0d29cc9ac0115c59486ed7a163c3539