19857840331c8cc15dca34f5ad42c9d413cedfa307707d9c3764f2e7b43fc500

Analysis

max time kernel
169s
max time network
46s
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_helper.py
Size

2KB
MD5

9e15789e5707991cb0089c95c5a540fe
SHA1

544e4c2d8d9d1f4c70d9652d8315c9e6918cbaf0
SHA256

567310f70edc643667c4e1dd4bfc37377283f49b1176460fa6bfe5e99fb3c66c
SHA512

cc4c7f05772715615fe31022a0491641ba75af71deefe6da6a299dc0c41f68987deb7fc99e9a07713b416060030316ee97a39e60a754ff51ded00d20294e7419

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-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_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-1-5-21-3845472200-3839195424-595303356-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

668 AcroRd32.exe
668 AcroRd32.exe
668 AcroRd32.exe

pid	process
668	AcroRd32.exe
668	AcroRd32.exe
668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1672 wrote to memory of 1792	1672	cmd.exe	rundll32.exe
PID 1672 wrote to memory of 1792	1672	cmd.exe	rundll32.exe
PID 1672 wrote to memory of 1792	1672	cmd.exe	rundll32.exe
PID 1792 wrote to memory of 668	1792	rundll32.exe	AcroRd32.exe
PID 1792 wrote to memory of 668	1792	rundll32.exe	AcroRd32.exe
PID 1792 wrote to memory of 668	1792	rundll32.exe	AcroRd32.exe
PID 1792 wrote to memory of 668	1792	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Software Yuki\SoftwareDataDebug\examples\appium_helper.py"
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

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_helper.py
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1792

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_helper.py"
3⤵
- Suspicious use of SetWindowsHookEx
PID:668

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/668-81-0x0000000000000000-mapping.dmp

Download
memory/668-82-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

Download
memory/1672-54-0x000007FEFB741000-0x000007FEFB743000-memory.dmp

Filesize
8KB

Download
memory/1792-76-0x0000000000000000-mapping.dmp

Download