e8f18a59a3c4a7b9d8f00c203d1c3cecb8b2353d79ba6546e78084796e36f56f

Resubmissions

23-02-2024 14:34

240223-rxp3paca7y 7

25-01-2024 16:04

240125-th1a8abbek 10

Analysis

max time kernel
118s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23-02-2024 14:34

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General

Target

include/graphviz/graphviz_version.h
Size

324B
MD5

14276ba8ce7f3480e65042ee3ad9f625
SHA1

afd2297a00736515789f2618cfbfa47b4a98fc4b
SHA256

dd254088a01396b339dddd9b46ed34d663fe4dabd7362a3c1a4a9509b0e98f98
SHA512

119b084f9537f5fb6ae07429c9eb3eb6b331d2877a1fafad6fe586153fd8d9f929b1fb4abc5bc6e4d41d7347a9901cb3cce69aeae0b8e50b09c1f34a6ac7f155

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:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.h\ = "h_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.h	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\h_auto_file\shell\open	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs
ransomware

Processes:

NOTEPAD.EXE

pid process

2088 NOTEPAD.EXE

pid	process
2088	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 2936 wrote to memory of 2636	2936	cmd.exe	rundll32.exe
PID 2936 wrote to memory of 2636	2936	cmd.exe	rundll32.exe
PID 2936 wrote to memory of 2636	2936	cmd.exe	rundll32.exe
PID 2636 wrote to memory of 2088	2636	rundll32.exe	NOTEPAD.EXE
PID 2636 wrote to memory of 2088	2636	rundll32.exe	NOTEPAD.EXE
PID 2636 wrote to memory of 2088	2636	rundll32.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\include\graphviz\graphviz_version.h
1⤵
- Suspicious use of WriteProcessMemory
PID:2936

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\include\graphviz\graphviz_version.h
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2636

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\include\graphviz\graphviz_version.h
3⤵
- Opens file in notepad (likely ransom note)
PID:2088

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

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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