19857840331c8cc15dca34f5ad42c9d413cedfa307707d9c3764f2e7b43fc500

Analysis

max time kernel
153s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
11-11-2022 05:41

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General

Target

Software Yuki/SoftwareDataDebug/examples/appium_simple.py
Size

1KB
MD5

db02d17fe9c460c8ddfe35e227d3c0d1
SHA1

729e66d40e35a2614e5955ce25367b44004a1693
SHA256

530150a40470a6ab4f3cc7a85b5e1b47b1c6e60fa0331780b9b03bc7846e29ad
SHA512

963ab8ec6fb2f710ab26c31992a54d1db0877b658a12d8a8bff4bd2e004e1d7d329907d58bd26ff06d507944a8ee1cdbd2e54b5260cdbff030c591aaf06ea033

Score

3^/10

Malware Config

Signatures

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

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

684 AcroRd32.exe
684 AcroRd32.exe
684 AcroRd32.exe

pid	process
684	AcroRd32.exe
684	AcroRd32.exe
684	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1264 wrote to memory of 360	1264	cmd.exe	rundll32.exe
PID 1264 wrote to memory of 360	1264	cmd.exe	rundll32.exe
PID 1264 wrote to memory of 360	1264	cmd.exe	rundll32.exe
PID 360 wrote to memory of 684	360	rundll32.exe	AcroRd32.exe
PID 360 wrote to memory of 684	360	rundll32.exe	AcroRd32.exe
PID 360 wrote to memory of 684	360	rundll32.exe	AcroRd32.exe
PID 360 wrote to memory of 684	360	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Software Yuki\SoftwareDataDebug\examples\appium_simple.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1264

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Software Yuki\SoftwareDataDebug\examples\appium_simple.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:360

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\Software Yuki\SoftwareDataDebug\examples\appium_simple.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:684

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/360-76-0x0000000000000000-mapping.dmp

Download
memory/684-81-0x0000000000000000-mapping.dmp

Download
memory/684-82-0x0000000075C61000-0x0000000075C63000-memory.dmp

Filesize
8KB

Download
memory/1264-54-0x000007FEFB5B1000-0x000007FEFB5B3000-memory.dmp

Filesize
8KB

Download