a7fd1dd724af0b47c6a3659707f392d119d56210b2869ca62adb939a62be8858

Analysis

max time kernel
120s
max time network
130s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 00:52

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General

Target

Dr. Yuuko's Sex Practice/renpy/loader.py
Size

19KB
MD5

cd27d47c812593962c28ff1c1911960d
SHA1

cde47c4f9a07a6e9e3d74e564db0ea92861c82dc
SHA256

1d5c2a8fa3a4f8fd43b386afbd76cd8357791e413c21edc1f645daa239b13502
SHA512

03beac4042ba46dc948daefd75dfaafb89b885401a1ccbfa3d3eefb62618b4e723b244fc8381e59a9a3cf4c67aca3b2708ebdaec2c2e465036f3a290d8765b18
SSDEEP

384:vKr0CyInn9Snb4eeFgdo9ByNqo8ns1SA8/YbBE9s39sEeFMFA:irXyb4VaS9oNqo8ns1SA8/YbB5yEaEA

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1603059206-2004189698-4139800220-1000_CLASSES\py_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
2676	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2676	AcroRd32.exe
2676	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2744	2808	cmd.exe	29
PID 2808 wrote to memory of 2744	2808	cmd.exe	29
PID 2808 wrote to memory of 2744	2808	cmd.exe	29
PID 2744 wrote to memory of 2676	2744	rundll32.exe	30
PID 2744 wrote to memory of 2676	2744	rundll32.exe	30
PID 2744 wrote to memory of 2676	2744	rundll32.exe	30
PID 2744 wrote to memory of 2676	2744	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Dr. Yuuko's Sex Practice\renpy\loader.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Dr. Yuuko's Sex Practice\renpy\loader.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2744
- - 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\Dr. Yuuko's Sex Practice\renpy\loader.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
a778b2ac09a9a183d93f29b0c1426606

SHA1
b4d9f1ee4a05065bbd6c0ca4e177bd1c05bb38ef

SHA256
32a4acc47ef956b4d3f031c0442e47f309bdb1de87d4c6449b51c926eef830ad

SHA512
bcafe8afc8783a1caf2a376daf1f803378870a4f5efe27cd8c5453f6b9988cc43acd10861b5e9d4adbfef6ad5f68f2bd9158f561a0077ce8108c9a49bbbf9018

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