Analysis
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max time kernel
150s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
11-08-2023 03:19
Behavioral task
behavioral1
Sample
AV.scr
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
AV.scr
Resource
win10v2004-20230703-en
Behavioral task
behavioral3
Sample
ftpcrack.pyc
Resource
win7-20230712-en
Behavioral task
behavioral4
Sample
ftpcrack.pyc
Resource
win10v2004-20230703-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
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.pyc\ = "pyc_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\"" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_Classes\Local Settings rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\.pyc rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-722410544-1258951091-1992882075-1000_CLASSES\pyc_auto_file rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2468 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
AcroRd32.exepid process 2468 AcroRd32.exe 2468 AcroRd32.exe 2468 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 2616 wrote to memory of 2436 2616 cmd.exe rundll32.exe PID 2616 wrote to memory of 2436 2616 cmd.exe rundll32.exe PID 2616 wrote to memory of 2436 2616 cmd.exe rundll32.exe PID 2436 wrote to memory of 2468 2436 rundll32.exe AcroRd32.exe PID 2436 wrote to memory of 2468 2436 rundll32.exe AcroRd32.exe PID 2436 wrote to memory of 2468 2436 rundll32.exe AcroRd32.exe PID 2436 wrote to memory of 2468 2436 rundll32.exe AcroRd32.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\ftpcrack.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2616 -
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:2436 -
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:2468
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5b2c005533625e9aacb19430c95f70c89
SHA199244cd50bbe0ed91e6c84ea0792fef9a0f1c42e
SHA256cb00cb827b7bc186984f05db0674e42815e93a3e4a77e49954fd8851a9cea1e7
SHA512776ef8a5ec7bf1b44c6e526e474ad711657fa1de9a6ac66ca4ae7afa0ab1db5fbcb7aeaffe39950859f221f347b706f1a3b1c20caa018f9ecb81b0176fb5adc6