Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
22-12-2023 09:14
Behavioral task
behavioral1
Sample
AV-2.scr
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
AV-2.scr
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
ftpcrack.pyc
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
ftpcrack.pyc
Resource
win10v2004-20231215-en
General
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Target
ftpcrack.pyc
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Size
31KB
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MD5
7dec2a4693aff97a3c69a1bb6ec1fc5e
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SHA1
bda38c25002ed785261343c7e1e085e2fa01e977
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SHA256
fbd502647a65b3d2b1d654be47073f375cb67d49cedd516b80516dbd9c4bcc63
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SHA512
d735d3ddfa942392d6982eb20621e0301bdd62dd1e804d4240c18945f886ad2ea50378cd15ae8fadb9d38b70743ad3f2e2c8e3daa82988595460e18c8a8e60dc
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SSDEEP
768:m64+MyRk4o7v8Q0xqhtzZlryFu1KGxf6POOUExMTpKUcc9dDObS:m64+Rji8FxqnZlryFQhh6PbUEK9Ks91H
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
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2640 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2640 AcroRd32.exe 2640 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2060 wrote to memory of 2268 2060 cmd.exe 29 PID 2060 wrote to memory of 2268 2060 cmd.exe 29 PID 2060 wrote to memory of 2268 2060 cmd.exe 29 PID 2268 wrote to memory of 2640 2268 rundll32.exe 30 PID 2268 wrote to memory of 2640 2268 rundll32.exe 30 PID 2268 wrote to memory of 2640 2268 rundll32.exe 30 PID 2268 wrote to memory of 2640 2268 rundll32.exe 30
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ftpcrack.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2060 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\ftpcrack.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2268 -
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\ftpcrack.pyc"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2640
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5019cb7e82254f54fad7f13e34f40438a
SHA16e43f65c951fef9d14970b78727bfae4a3910f8c
SHA2567c461fbf23c497dacade09544a8783829f8ec45a39a7b2c8364c9fa9d7f72253
SHA5124aba9457ec0889d28c148d8bccfaeacef617a39d379ddc2a831d00affd1a3aa5f6addc7beee21f5d39cb8a13e88a0ccc1e47d2f8cb422769c739c12917f30fa5