Analysis
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max time kernel
120s -
max time network
121s -
platform
windows7_x64 -
resource
win7-20250207-en -
resource tags
arch:x64arch:x86image:win7-20250207-enlocale:en-usos:windows7-x64system -
submitted
19/03/2025, 09:46
Behavioral task
behavioral1
Sample
Cphn-MultiTool/src/utils/upx.exe
Resource
win7-20250207-en
Behavioral task
behavioral2
Sample
Cphn-MultiTool/src/utils/upx.exe
Resource
win10v2004-20250314-en
Behavioral task
behavioral3
Sample
main.pyc
Resource
win7-20250207-en
Behavioral task
behavioral4
Sample
main.pyc
Resource
win10v2004-20250314-en
Behavioral task
behavioral5
Sample
Cphn-MultiTool/start.bat
Resource
win7-20241010-en
Behavioral task
behavioral6
Sample
Cphn-MultiTool/start.bat
Resource
win10v2004-20250314-en
General
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Target
main.pyc
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Size
7KB
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MD5
0b325cdc53666943f0a1105eebd2ddcd
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SHA1
44d78b48aaa1c57367ea136f79a8187a6be74ac6
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SHA256
e6069d6ef971d9c7a41752643ce72d0aaf12b32424358aca5e381d230d291391
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SHA512
dcadfc7129c2293de920bbc5aa26a4f7e8f1eb9a0478f4686e0aab4dbc288614c90c8b34558329c568431b0c6da9a2ab5727a5ecdb5781576c90f1350de6b913
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SSDEEP
192:waXogIL0D839y+WdXwG1tBAtyJhwvYlzXMdwYZnw:7Qp99WuyB422sPYZw
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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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language AcroRd32.exe -
Modifies registry class 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000_Classes\Local Settings rundll32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 2892 AcroRd32.exe 2892 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2600 wrote to memory of 2880 2600 cmd.exe 31 PID 2600 wrote to memory of 2880 2600 cmd.exe 31 PID 2600 wrote to memory of 2880 2600 cmd.exe 31 PID 2880 wrote to memory of 2892 2880 rundll32.exe 33 PID 2880 wrote to memory of 2892 2880 rundll32.exe 33 PID 2880 wrote to memory of 2892 2880 rundll32.exe 33 PID 2880 wrote to memory of 2892 2880 rundll32.exe 33
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc1⤵
- Suspicious use of WriteProcessMemory
PID:2600 -
C:\Windows\system32\rundll32.exe"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2880 -
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\main.pyc"3⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2892
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3KB
MD5b5c792decf822ebcd058d14ce2af65fc
SHA182e080c8021c4475a18927a84e427cf8804f8108
SHA2568418a01977f0251758a1bbc4ed95e8d72a8250df32346a0d0905a420b3103ac0
SHA512a732c4fdf9386c19d55dbad2b27d1b209f4b0d050c3fce4723be392f06c96f16c3f1ba27601179b76718360652b0d16c306f1d2736bd2a2449cf11313bb414f3