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

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General

Target

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

337KB
MD5

e5dcd35deb395b76a51992ccb4fb233c
SHA1

708b807d9bdab4d781800409a03fea03f538d411
SHA256

114d5dd040daa66c7f5f3f9441819d0114bd4e8b3c9614635a369497b324d562
SHA512

888bc1162551212ff02f0e361d5087698306e17240fdd78351a5de0f2a841438eca50bd9b79756823f82b960d33e35ac7bd55d2338a059e262e375b049838db6
SSDEEP

6144:K23FNVmVN6VgVapO1nToCNn53dQhC3RgqOi7gA4mr:jxmVN1nThNn53dQh8Rgqr7Jdr

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-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\buf_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\buf_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_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-1-5-21-1283023626-844874658-3193756055-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.buf\ = "buf_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\buf_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\.buf	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\buf_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1283023626-844874658-3193756055-1000_CLASSES\buf_auto_file\	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1488	AcroRd32.exe
1488	AcroRd32.exe
1488	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 888 wrote to memory of 1580	888	cmd.exe	29
PID 888 wrote to memory of 1580	888	cmd.exe	29
PID 888 wrote to memory of 1580	888	cmd.exe	29
PID 1580 wrote to memory of 1488	1580	rundll32.exe	30
PID 1580 wrote to memory of 1488	1580	rundll32.exe	30
PID 1580 wrote to memory of 1488	1580	rundll32.exe	30
PID 1580 wrote to memory of 1488	1580	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\NekoNoelle[1.0.3] by Nerujikan\NekoNoelle\NoelleTexcoord.buf"
1⤵
- Suspicious use of WriteProcessMemory
PID:888
- 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\NoelleTexcoord.buf
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1580
- - 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\NoelleTexcoord.buf"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1488

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

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