Analysis
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max time kernel
125s -
max time network
130s -
platform
windows10-1703_x64 -
resource
win10-20231020-en -
resource tags
arch:x64arch:x86image:win10-20231020-enlocale:en-usos:windows10-1703-x64system -
submitted
13/12/2023, 23:36
Behavioral task
behavioral1
Sample
2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe
Resource
win10-20231020-en
General
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Target
2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe
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Size
1.6MB
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MD5
c25792bf6ddfaa3681fc51fff986ae07
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SHA1
a3c43d8f4d3da1850210fa95e3eb2c600b4ee3d5
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SHA256
2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e
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SHA512
27d5c4175174cf97d6a4b251d068caf25eb5050aa58c227c0f90fa2c45a4aa808213a7c7625e3920314051329ad55f2c444292fde877ceb2aed3a17fd07671c2
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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 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.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-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 ipinfo.io -
Drops file in System32 directory 4 IoCs
description ioc Process File opened for modification C:\Windows\System32\GroupPolicy 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.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 5020 4684 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 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.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 5024 schtasks.exe 4448 schtasks.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4684 wrote to memory of 5024 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 71 PID 4684 wrote to memory of 5024 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 71 PID 4684 wrote to memory of 5024 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 71 PID 4684 wrote to memory of 4448 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 75 PID 4684 wrote to memory of 4448 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 75 PID 4684 wrote to memory of 4448 4684 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe 75 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2508097367-364665605-1201309312-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.exe"C:\Users\Admin\AppData\Local\Temp\2a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e.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:4684 -
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:5024
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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:4448
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4684 -s 16162⤵
- Program crash
PID:5020
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\??\c:\windows\system32\svchost.exec:\windows\system32\svchost.exe -k localsystemnetworkrestricted -s fhsvc1⤵PID:3060
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:2572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD5c25792bf6ddfaa3681fc51fff986ae07
SHA1a3c43d8f4d3da1850210fa95e3eb2c600b4ee3d5
SHA2562a68d96210ac30680136adea1ef8cf155584301fd83eec3d7baa7eb4be97558e
SHA51227d5c4175174cf97d6a4b251d068caf25eb5050aa58c227c0f90fa2c45a4aa808213a7c7625e3920314051329ad55f2c444292fde877ceb2aed3a17fd07671c2
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Filesize
3KB
MD573d875cc87c3e493db195c911b9767a0
SHA1ae3e0b2473ab2e4cf7f64f24c1298683d7a99f8f
SHA2569d4c1d8ec97d4682859b62a3cc24b2ac3b7be62a93f9f8aa4176fd30ac86922b
SHA5128a5bc84adcf236acb2e97c9f4b92abff9d0d47adfe7c638f4b34e4eb0af9aab14d0a9292faf90edee26797703153e38dcc2872ae14bd84920dffba824915dfcd
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Filesize
92KB
MD5908cc2dad5eb4412aaa2a85beb5f6341
SHA1a5f1b88092d219e71e8969d01ee2a3ae669a5600
SHA256210fc747617b64d2430897b4c11cd5dc81bc3a991d7c622b90918ce4d112baa4
SHA51238729498bd42d999c38dc769cc79057917a933080d608574460fe7ba7c9409db4e01979044151bc0922b1a9816398e25b7be59976bd318b1202b5d13fcf03cd9