4fd2c1eae57bd4a78c3b34b93652b1ef54307a8ca58a751e2ab50eb3199b764a

Analysis

max time kernel
150s
max time network
33s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
24/05/2023, 20:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

NekoNoelle[1.0.3] by Nerujikan/NekoNoelle/NoelleBlend.buf
Size

539KB
MD5

26be2fa59c6a5824005450a56c03e151
SHA1

2df5727f617e1a96e7c982e64194f0abd17cecbf
SHA256

1699611d7422fadae4e8800df9ce620bc67633e1e8d66d170b0e571a320dbab7
SHA512

2759d4088d6bd6928a2abb3f9455e2fe3e9bcfa03b2e51cbe535a4df1468c59c6f0575d536864a721ab08deef3db9b05bb795ad4afa471a41e4355c70421bce4
SSDEEP

3072:j1FzOTCjqmEN/tDF/TW+uiDau9WhJiI+rzdsE7O+lVZYEfW:iTx6+uMWsZYH

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 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.buf	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\.buf\ = "buf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2647223082-2067913677-935928954-1000_CLASSES\buf_auto_file\shell	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
852	AcroRd32.exe
852	AcroRd32.exe
852	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1772 wrote to memory of 1912	1772	cmd.exe	29
PID 1772 wrote to memory of 1912	1772	cmd.exe	29
PID 1772 wrote to memory of 1912	1772	cmd.exe	29
PID 1912 wrote to memory of 852	1912	rundll32.exe	30
PID 1912 wrote to memory of 852	1912	rundll32.exe	30
PID 1912 wrote to memory of 852	1912	rundll32.exe	30
PID 1912 wrote to memory of 852	1912	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\NekoNoelle[1.0.3] by Nerujikan\NekoNoelle\NoelleBlend.buf"
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NekoNoelle[1.0.3] by Nerujikan\NekoNoelle\NoelleBlend.buf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1912
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\NekoNoelle[1.0.3] by Nerujikan\NekoNoelle\NoelleBlend.buf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:852

Network

MITRE ATT&CK Enterprise v6

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

Loading Replay Monitor...