Analysis
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max time kernel
120s -
max time network
136s -
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, 23:38
Behavioral task
behavioral1
Sample
ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe
Resource
win10-20231129-en
General
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Target
ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe
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Size
1.6MB
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MD5
6bb279fdc7fee3df3a67fb6ead01e4f1
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SHA1
6ed55095f93a5cb6013c63e95aa8907f619bfff6
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SHA256
ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c
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SHA512
5c062a903de3fccc5db212d918adab5f4bf0ba41125cd36fc38f9c29a31fd087ca0fccd81c5e85cc68f59b6f1632ff547e1a16a453cf14d958cf644b9800465a
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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 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.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-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.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 3 ipinfo.io 4 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe File opened for modification C:\Windows\System32\GroupPolicy ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.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 2744 3940 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 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.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 1408 schtasks.exe 3232 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3940 wrote to memory of 3232 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 74 PID 3940 wrote to memory of 3232 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 74 PID 3940 wrote to memory of 3232 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 74 PID 3940 wrote to memory of 1408 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 78 PID 3940 wrote to memory of 1408 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 78 PID 3940 wrote to memory of 1408 3940 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe 78 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3171942101-2809460380-3727589934-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.exe"C:\Users\Admin\AppData\Local\Temp\ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c.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:3940 -
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:3232
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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:1408
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3940 -s 16682⤵
- Program crash
PID:2744
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2396
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:4752
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD56bb279fdc7fee3df3a67fb6ead01e4f1
SHA16ed55095f93a5cb6013c63e95aa8907f619bfff6
SHA256ed110dc7232873576c604e3a779fe813b0aab8a89de81e24a4c5c961367b249c
SHA5125c062a903de3fccc5db212d918adab5f4bf0ba41125cd36fc38f9c29a31fd087ca0fccd81c5e85cc68f59b6f1632ff547e1a16a453cf14d958cf644b9800465a
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Filesize
3KB
MD5a1c9bcd29f66bd781e56f71fe1641be0
SHA1ff9fa5ecae5ed0f6ebdc0307179d819688773cf0
SHA256c4dbda409643bf22d1315354c7833132882fb51cc2d43c48cb2f447082754f5e
SHA5121da17b9dc02bfdbc109b02217f31f3050b7ea41768b9c9173070d33384fb5af2823faa17d8f6272b1ce4be5790b29eaaf61bc4f3c659cd0b671b49c6936ac45d
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Filesize
92KB
MD5d540e45d4e0edb6aab5ed14cc52f1fa5
SHA10c9279b204416dfa86ee22993bd3325b5bc762b1
SHA256ddd7cbb13ec9dca8859d1a0f54d3f326c0097a8d2809636d96d2e4d9cfa86153
SHA5123dc3b50b4948f522f4746a0ef63cdc40995dad3a3ac901b277a37296a33eee2977121f7aa529d9ef7f0cb878c6e15fac6c5570f1e5f73e73b5379633bd0caf9f