Analysis
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max time kernel
135s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20231127-en -
resource tags
arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system -
submitted
29-11-2023 14:38
Behavioral task
behavioral1
Sample
0x0008000000023207-26.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
0x0008000000023207-26.exe
Resource
win10v2004-20231127-en
General
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Target
0x0008000000023207-26.exe
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Size
1.5MB
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MD5
8adfad103b46dd18d1b24ffc912482c2
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SHA1
b38cf3f35fbf371f0dbbafcf9bf85b6433ac2025
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SHA256
aab0c42d00dc704e37a6bd7bad9464c46aee7c17bf8ea8d6e90f54f31e8567ec
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SHA512
0e7046f03955180d3f5d3df4f616731689ce562c3011da2de6448d68eb1fa41f0a518c70ac40b2e61c949823ea2fe1a35851043271ba9c3829cce525b45d6b4a
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SSDEEP
24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WKI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTl
Malware Config
Signatures
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Drops startup file 1 IoCs
Processes:
0x0008000000023207-26.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\FANBooster131.lnk 0x0008000000023207-26.exe -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
0x0008000000023207-26.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3635043082-2972811465-3176142135-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" 0x0008000000023207-26.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
Processes:
schtasks.exeschtasks.exepid process 4528 schtasks.exe 4448 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
Processes:
0x0008000000023207-26.exedescription pid process target process PID 2844 wrote to memory of 4528 2844 0x0008000000023207-26.exe schtasks.exe PID 2844 wrote to memory of 4528 2844 0x0008000000023207-26.exe schtasks.exe PID 2844 wrote to memory of 4528 2844 0x0008000000023207-26.exe schtasks.exe PID 2844 wrote to memory of 4448 2844 0x0008000000023207-26.exe schtasks.exe PID 2844 wrote to memory of 4448 2844 0x0008000000023207-26.exe schtasks.exe PID 2844 wrote to memory of 4448 2844 0x0008000000023207-26.exe schtasks.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0x0008000000023207-26.exe"C:\Users\Admin\AppData\Local\Temp\0x0008000000023207-26.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
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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)
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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)
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exeFilesize
1.5MB
MD58adfad103b46dd18d1b24ffc912482c2
SHA1b38cf3f35fbf371f0dbbafcf9bf85b6433ac2025
SHA256aab0c42d00dc704e37a6bd7bad9464c46aee7c17bf8ea8d6e90f54f31e8567ec
SHA5120e7046f03955180d3f5d3df4f616731689ce562c3011da2de6448d68eb1fa41f0a518c70ac40b2e61c949823ea2fe1a35851043271ba9c3829cce525b45d6b4a