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Analysis
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max time kernel
140s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2023, 17:33
Behavioral task
behavioral1
Sample
a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe
Resource
win10v2004-20231023-en
General
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Target
a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe
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Size
1.5MB
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MD5
764fb09b4fb31924e3cd1d4074ab2cba
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SHA1
e70b07e83182f4931dc9d506aaf09aa981633fae
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SHA256
a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f
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SHA512
e73899f57427b85e77b8bd1e35591d2b84e4d0d929488fcc27aa42be6c469ef7debc455025d741141457471023390267b4a4adbbb35c1073c13ab4aa13a9007b
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SSDEEP
24576:2opGDjnvrPpkjos0OtjcFc5kM49dj+IuxWQOIjuJuVvhbqL0HtFcgekRP9dT0WNI:OnvrPGT0Egyudc4tI3bqL0NFchaP9dTy
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 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3125601242-331447593-1512828465-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MaxLoonaFest131 = "C:\\Users\\Admin\\AppData\\Local\\MaxLoonaFest131\\MaxLoonaFest131.exe" a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.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.
pid Process 3876 schtasks.exe 3012 schtasks.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1656 wrote to memory of 3012 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 87 PID 1656 wrote to memory of 3012 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 87 PID 1656 wrote to memory of 3012 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 87 PID 1656 wrote to memory of 3876 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 89 PID 1656 wrote to memory of 3876 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 89 PID 1656 wrote to memory of 3876 1656 a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe"C:\Users\Admin\AppData\Local\Temp\a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f.exe"1⤵
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1656 -
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:3012
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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:3876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.5MB
MD5764fb09b4fb31924e3cd1d4074ab2cba
SHA1e70b07e83182f4931dc9d506aaf09aa981633fae
SHA256a41a9796143c1b66536d9b2966b0ad42a2fa1325b9177522d45685ded29fc25f
SHA512e73899f57427b85e77b8bd1e35591d2b84e4d0d929488fcc27aa42be6c469ef7debc455025d741141457471023390267b4a4adbbb35c1073c13ab4aa13a9007b