9c3a2fbdc44090253a701eff4bc92bb248ef35f76ad0c9bcb48ce041631d548d

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
07-08-2024 11:03

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General

Target

d3d_Hook.cpp
Size

3KB
MD5

ff05bbbd7f112d14088a76ba93aecdc2
SHA1

9c132125a266ab8419b03d0c95d236b133d737ba
SHA256

c82208bff966293bf18ada811fa147d174972cc61f5d6bf7cfb24ff6633a5236
SHA512

ebb88e965addb7e769e036b274c5503124016c4ce8465fc3b2a6ee491aef182b7b05b47e74adc2a567f5f41851e8b2ceb1f8270760ebf97f831aa319331aa21a

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
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.cpp	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\.cpp\ = "cpp_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000_CLASSES\cpp_auto_file\shell\open\command	rundll32.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

Processes:

NOTEPAD.EXE

pid	Process
2000	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2652 wrote to memory of 2692	2652	cmd.exe	31
PID 2652 wrote to memory of 2692	2652	cmd.exe	31
PID 2652 wrote to memory of 2692	2652	cmd.exe	31
PID 2692 wrote to memory of 2000	2692	rundll32.exe	32
PID 2692 wrote to memory of 2000	2692	rundll32.exe	32
PID 2692 wrote to memory of 2000	2692	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\d3d_Hook.cpp
1⤵
- Suspicious use of WriteProcessMemory
PID:2652
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\d3d_Hook.cpp
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2692
- - C:\Windows\system32\NOTEPAD.EXE
    "C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\d3d_Hook.cpp
    3⤵
    - Opens file in notepad (likely ransom note)
    PID:2000

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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