Analysis
- max time kernel
0s - max time network
147s - platform
windows10-2004_x64 - resource
win10v2004-20231130-en - resource tags
arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system - submitted
06/12/2023, 19:12
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20231023-en
18 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20231130-en
8 signatures
150 seconds
General
- Target file.exe
- Size 1.6MB
- Sample231206-xwh6mscb37
- SHA256 199566821954625ef7949f29b97f87e239182ffe295df4ce035b60f7ed7ed251
- MD5 7f10459f3d1ef5b15fe8ac3891ebfd48
- SHA1 a57072c6eca8196c6fb057144634b3385f8b3eb7
- SHA512 e1f60593a10a85715d51514b59b2a6aef5df36fd09fb8674d9e1821b832f5308a9c154dfbe8564d3886570d855feec9ed0e65fa43bc235a85e5c267368557d02
- SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
- MD5 SHA1 SHA512 SSDEEP
Score
7/10
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 file.exe - Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-596315103-1488671723-776734015-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" file.exe - 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 24 ipinfo.io 25 ipinfo.io - Drops file in System32 directory 4 IoCs
description ioc Process File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol file.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI file.exe File opened for modification C:\Windows\System32\GroupPolicy file.exe File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini file.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 3464 3908 WerFault.exe 20 - Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 4688 schtasks.exe 224 schtasks.exe - Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3908 wrote to memory of 4688 3908 file.exe 90 PID 3908 wrote to memory of 4688 3908 file.exe 90 PID 3908 wrote to memory of 4688 3908 file.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3908 -
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:4688
-
-
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:224
-
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3908 -s 16962⤵
- Program crash
PID:3464
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵PID:3080
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵PID:4816
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3908 -ip 39081⤵PID:1832
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\ProgramData\OfficeTrackerNMP131\OfficeTrackerNMP131.exe
- Size 1.6MB
- SHA256 199566821954625ef7949f29b97f87e239182ffe295df4ce035b60f7ed7ed251
- MD5 7f10459f3d1ef5b15fe8ac3891ebfd48
- SHA1 a57072c6eca8196c6fb057144634b3385f8b3eb7
- SHA512 e1f60593a10a85715d51514b59b2a6aef5df36fd09fb8674d9e1821b832f5308a9c154dfbe8564d3886570d855feec9ed0e65fa43bc235a85e5c267368557d02
- SSDEEP 49152:qWg8wUmZOzqiavjDUJO/WH89ctcO0ljbbQnIQGotBKqD8TJCHEGU42sn6:ZiUmZOzqiavjDUM/WH89y8bboGO
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\grandUIAjl741YUSHLE2Q\information.txt
- Size 3KB
- SHA256 bcd23a29e266b4238f594b6d682014417bfd70c6077d08184e454f65ca2f5426
- MD5 838c3bb374bc8e96e05ffd32b16a59ed
- SHA1 5b5fafa666d36ece7053a5a8710763eb3e833304
- SHA512 f8d82fede22f204e69e889b7a2de49edb75fe12487a9a093f76d11ac188aba34e2d224f47032fe215e64d32622c6109a30960e3e081ab5e8498b5faf2fd64423
- MD5 SHA1 SHA512