a7fd1dd724af0b47c6a3659707f392d119d56210b2869ca62adb939a62be8858

Analysis

max time kernel
121s
max time network
133s
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/object.pyo
Size

2KB
MD5

3f1450ebbf0fcc01074dc64fa0cab984
SHA1

32c3ea183c9754ece35e40802f9581eadf50b28a
SHA256

72091ba7b64f5df0d6de1ecdbfa7186ca973c17fb340ad7ebea0de8b0689b399
SHA512

21e6c857264dacb93abca2a6e108c68a1ea31dda8aa6dfad88d4aa6082baec17450d9013ec8e3055556a99526a2e0ac56442abb88e2f2f384b6d971daa31727b

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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyo	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyo\ = "pyo_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyo_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
2748	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2748	AcroRd32.exe
2748	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2716	2288	cmd.exe	29
PID 2288 wrote to memory of 2716	2288	cmd.exe	29
PID 2288 wrote to memory of 2716	2288	cmd.exe	29
PID 2716 wrote to memory of 2748	2716	rundll32.exe	30
PID 2716 wrote to memory of 2748	2716	rundll32.exe	30
PID 2716 wrote to memory of 2748	2716	rundll32.exe	30
PID 2716 wrote to memory of 2748	2716	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Dr. Yuuko's Sex Practice\renpy\object.pyo"
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- 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\object.pyo
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2716
- - 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\object.pyo"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2748

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
00b08e16b5165fb2eedb80665613708e

SHA1
dfe3129de215e053a55ded0c394eb6c4f5fcfcf6

SHA256
a4ed0e9789fcb1dd314d7ea2a68703850d8855d97b55a5a0e75a36c6f2a9b152

SHA512
7589c79b7efcc0bafc57ae25bb0322e257cb04670b3e7e0510f5fb50d6abe346b2a1b370addeacc9ab223f8e876f38be194cf23b87c14a56782d447321fd920f

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