a7fd1dd724af0b47c6a3659707f392d119d56210b2869ca62adb939a62be8858

Analysis

max time kernel
118s
max time network
128s
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/main.pyo
Size

10KB
MD5

154eb27881d9bd667cbe343c43c3073e
SHA1

4804c0b047af424cb08182d28468fff1cb8e76a2
SHA256

9f8cec0d5e38e587ecdfe2bb91922cfd1d29e4d1d34a892538bd985388dae131
SHA512

3bc9d0c194d09106d6a9da859177b6357c840d8d5f835fb937be068571cf5494816946a0edc296589eb3b19a020910e2178b00c95f53534e6f5c1a02b9651cbf
SSDEEP

192:gy/YwfbzC79yG/ucwNmJVj2VrW2Yvt+B3mf4VDW/lmjfJBtKOZz:7TzMlwM92Yl+B3mfoelCfVKOV

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-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pyo	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyo_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2740	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2740	AcroRd32.exe
2740	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2852 wrote to memory of 2824	2852	cmd.exe	29
PID 2852 wrote to memory of 2824	2852	cmd.exe	29
PID 2852 wrote to memory of 2824	2852	cmd.exe	29
PID 2824 wrote to memory of 2740	2824	rundll32.exe	30
PID 2824 wrote to memory of 2740	2824	rundll32.exe	30
PID 2824 wrote to memory of 2740	2824	rundll32.exe	30
PID 2824 wrote to memory of 2740	2824	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Dr. Yuuko's Sex Practice\renpy\main.pyo"
1⤵
- Suspicious use of WriteProcessMemory
PID:2852
- 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\main.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2824
- - 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\main.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2740

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
db7345ce8a5d727d6e91e77a5c0ba872

SHA1
6b88f001de0ad8c4c94af504c02e2fe28bc038f5

SHA256
a05a1ba783918f2c03ca358ee23179977b70cb0d7b5bbca342fd3fa20de8e299

SHA512
2e75e612534af5124eba51f7b24a37d4af7f4ef1d48680e50c8859802acf05901ca3b98eb2a1658ad5bfcf8e621617cee1aed80ab8ebab632cdec171e1756c1d

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