e8f18a59a3c4a7b9d8f00c203d1c3cecb8b2353d79ba6546e78084796e36f56f

Resubmissions

23/02/2024, 14:34

240223-rxp3paca7y 7

25/01/2024, 16:04

240125-th1a8abbek 10

Analysis

max time kernel
121s
max time network
125s
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/color.h
Size

1KB
MD5

e69b85d0dcd9a53009fad03162f19465
SHA1

bbbabcbcd8f17ceba30d3b8ddc36e96b6207e5f8
SHA256

92cfd3939c17575b3891bc454b69f39292eb3508837ca43d731b5f64aeb3051e
SHA512

9bb1a49377e9c9f1861657451c55492c275b57a298422e988f953badd9490e5cbc5306359f7dbf97fd34a0a228d5aa7350cb50e3416ef3ee1152edae777015a6

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
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.h	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\.h\ = "h_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\edit	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1650401615-1019878084-3673944445-1000_CLASSES\h_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
2756	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2552	2208	cmd.exe	29
PID 2208 wrote to memory of 2552	2208	cmd.exe	29
PID 2208 wrote to memory of 2552	2208	cmd.exe	29
PID 2552 wrote to memory of 2756	2552	rundll32.exe	30
PID 2552 wrote to memory of 2756	2552	rundll32.exe	30
PID 2552 wrote to memory of 2756	2552	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\include\graphviz\color.h
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- 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\color.h
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\include\graphviz\color.h
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2756

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

Windows 7 deprecation

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