3e43757e2d239caf7ef067ccda92739e9750b77f3be5ef394f5e75747c691a70

Resubmissions

06/07/2026, 01:59

260706-cendtag17s8

06/07/2026, 01:59

260706-cendtag161

06/07/2026, 01:57

260706-cdltlag16t3

Analysis

user interaction
yes
max time kernel
74s
max time network
74s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
06/07/2026, 01:57

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General

Target
matcha_external.py
Size 8KB
Sample260706-cdltlag16t
SHA256 3e43757e2d239caf7ef067ccda92739e9750b77f3be5ef394f5e75747c691a70
MD5 71bb4ee6f7d523cb786a74184caa1f64
SHA1 c3f8bfe4a3fe4934b5003e6a44c42a3fcfa407ae
SHA512 8dc99ae5dc29fec96ec866f9ccd4f71774f60d390edcb5acde621c08b6736a8b4eab49ce9b64853f4f9e24ee5058a569bd6c2337d042bc0d60859c6fdc537c7c
SSDEEP 96:mMxBLxvzkv5swhNGGsfWrs0/DOTyO9fcZQ5Zl9RHjq37BSm4:mapBzSswhjnd/+VfSN37BSm4
TLSH
T10D02447289481431DB578C9C94328C908A2B283BEB153978B0DCA1E40F7577BDFE6D7A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	AcroRd32.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	AcroRd32.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\Local Settings	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\.py	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\py_auto_file	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\.py\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\猍⡣ᆣ耀	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\猍⡣ᆣ耀\ = "py_auto_file"	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\py_auto_file\shell\Read	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\py_auto_file\shell	OpenWith.exe
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\py_auto_file\shell\Read\command	OpenWith.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Acrobat Reader DC\\Reader\\AcroRd32.exe\" \"%1\""	OpenWith.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3036	OpenWith.exe

Suspicious use of SetWindowsHookEx 37 IoCs

pid	Process
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
3036	OpenWith.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe
2300	AcroRd32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2300	3036	OpenWith.exe	96

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\matcha_external.py
1⤵
- Modifies registry class
PID:2260

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:3036
- C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe
  "C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\matcha_external.py"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious use of SetWindowsHookEx
  PID:2300

C:\Windows\System32\rundll32.exe
C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
1⤵
PID:4140

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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