83c9f73526ca6fdb791b6508ed76c345141543656cd4175f838879fa2bdf154c

Analysis

max time kernel
150s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 20:39

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General

Target

silent_obf_1028352774414549072_47468be2-b0e9-4037-b339-f535d489dcf4.pyc
Size

268KB
MD5

a5eb12635497dd0cc9bb32f6a4568a67
SHA1

0ac5108813391b7bd83427d7f39a7d5081bd1de9
SHA256

1a951bc2ab693fb61aac1f7df260010610008ec67d2b3bfca5d408e86b22ba3b
SHA512

9d603b57e58aa03384963ec859f62e23c70195193840fe7e9623c929915755ee4a69a17a3d08b54f231346d4012b470ccdb5337afa9d88701a22c8050767e056
SSDEEP

6144:jAQ0lx3x1Qim59Rv5bSZeHIyaCA9P3zQB7T+egjonNvG8VY3m8ooMtScktcusPbi:MDLB1Qim5995b+eHIy/A13zQB7T+egj7

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 12 IoCs

Processes:

OpenWith.execmd.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\edit	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\edit\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\open\command	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\.pyc	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\.pyc\ = "pyc_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\pyc_auto_file\shell\open	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

OpenWith.exe

pid process

1660 OpenWith.exe

Suspicious use of SetWindowsHookEx 17 IoCs

Processes:

OpenWith.exe

pid	process
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe
1660	OpenWith.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

OpenWith.exe

description	pid	process	target process
PID 1660 wrote to memory of 4800	1660	OpenWith.exe	NOTEPAD.EXE
PID 1660 wrote to memory of 4800	1660	OpenWith.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\silent_obf_1028352774414549072_47468be2-b0e9-4037-b339-f535d489dcf4.pyc
1⤵
- Modifies registry class
PID:3332

C:\Windows\system32\OpenWith.exe
C:\Windows\system32\OpenWith.exe -Embedding
1⤵
- Modifies registry class
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1660

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\silent_obf_1028352774414549072_47468be2-b0e9-4037-b339-f535d489dcf4.pyc
2⤵
PID:4800

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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