cd453b27e6dd15848a16b289e560961111fa07ade8e7da74aec191d75954e3be

Analysis

max time kernel
119s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 16:22

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General

Target

setllar/stellar/src/libraries/SDK/Include/DXGIFormat.h
Size

5KB
MD5

c78bc56ced1572f9e0117ae068b42bfc
SHA1

b620b9b71b4736054340c0c9039d0249c6225a40
SHA256

6f195eb71f4c6c649aab9315723390fff90ea95f30585b17605ddc9941a5fc99
SHA512

072d401b79384c646ce469d5264ced49e5416edf2832d1bc952cd080c79e8a07f9ee0680a53f106f2574ac9512e81ab199810d1ca9f3d435d0bf32046849dbe2
SSDEEP

96:7Qc9dEnmBuOFindq1myPrlrmSnooF+mHwRuNPebLo3i847FuMTJm1ydcU44:7Qk4QrFSqL5rpnN4mQIYvo/YcMTJm1yV

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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\open\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.h	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\.h\ = "h_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\edit\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_CLASSES\h_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2820	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2784 wrote to memory of 2732	2784	cmd.exe	32
PID 2784 wrote to memory of 2732	2784	cmd.exe	32
PID 2784 wrote to memory of 2732	2784	cmd.exe	32
PID 2732 wrote to memory of 2820	2732	rundll32.exe	33
PID 2732 wrote to memory of 2820	2732	rundll32.exe	33
PID 2732 wrote to memory of 2820	2732	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\setllar\stellar\src\libraries\SDK\Include\DXGIFormat.h
1⤵
- Suspicious use of WriteProcessMemory
PID:2784
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\setllar\stellar\src\libraries\SDK\Include\DXGIFormat.h
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\setllar\stellar\src\libraries\SDK\Include\DXGIFormat.h
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2820

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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