Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
05-06-2024 23:56
Behavioral task
behavioral1
Sample
autoapagado.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
autoapagado.exe
Resource
win10v2004-20240426-en
Behavioral task
behavioral3
Sample
autoapagado.pyc
Resource
win7-20240508-en
Behavioral task
behavioral4
Sample
autoapagado.pyc
Resource
win10v2004-20240426-en
General
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Target
autoapagado.pyc
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Size
805B
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MD5
d8b2cdaf9680026ccb0e0a082e69efeb
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SHA1
c31d680d4c07750a384a619320a24223dbd37c4b
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SHA256
3ba65e2ade25608b54e37ec3e9a214fc4705d2dcdcb5e8d186a5833ee1bab6b4
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SHA512
5afaeab0d206cc8fcba670d347b7fd186ab428938fc01dca84cb76d506efe3feec5da8bba4feb2bb61be1e6b22f7f02785c3cb7f122b8476c5222469a3c07314
Malware Config
Signatures
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2680 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2680 AcroRd32.exe 2680 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1688 wrote to memory of 3020 1688 cmd.exe rundll32.exe PID 1688 wrote to memory of 3020 1688 cmd.exe rundll32.exe PID 1688 wrote to memory of 3020 1688 cmd.exe rundll32.exe PID 3020 wrote to memory of 2680 3020 rundll32.exe AcroRd32.exe PID 3020 wrote to memory of 2680 3020 rundll32.exe AcroRd32.exe PID 3020 wrote to memory of 2680 3020 rundll32.exe AcroRd32.exe PID 3020 wrote to memory of 2680 3020 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\autoapagado.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:1688 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\autoapagado.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3020 -
C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe"C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\autoapagado.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2680
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5dbeb42cf78d583fafb8ca73ecb5031de
SHA1248bc24930cd23648716027b240f81b4bdf8d37a
SHA2568b03fa1ee651389db7c067a5d588695f3de5245d0a4be98969b268e12871e68d
SHA51219e60386553197378ea2f28ca5e5f6b5ee326a9838c0aa07a03e2dad717a3e8d9b1d05bf3f4c04645e405de30576642f24be1ec1eb14665ebbeb01fa904755fa