05cb23ac804ab1c484ec3cd406d10c4a0a4f3b70a0e0c41111819e61226711b5

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
12/01/2024, 18:40

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General

Target

BepInEx\plugins\x753-More_Suits\moresuits\advanced\Kirby.json
Size

31B
MD5

2f4f540937cf80f78de7c76e5265908f
SHA1

90f50d65a47abaecd8b2ad50d78973f5c7df10e5
SHA256

b310a1054ad7f926b6ef663adb6c021cec088bf63a88e1a60c55f1e0581a8693
SHA512

de62671f418d09e43458754ceb40e51070749741d1a2cbc3e27cfa6d5ecfee6baace186c1f1917624331eddb76bf1e4ce7eab2e622d474aa464934b2f42d7c1b

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\BepInEx\plugins\x753-More_Suits\moresuits\advanced\Kirby.json
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\BepInEx\plugins\x753-More_Suits\moresuits\advanced\Kirby.json
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\BepInEx\plugins\x753-More_Suits\moresuits\advanced\Kirby.json"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
ad27cbe5a054151acbf6cbb533b94dcb

SHA1
93c0992f92302be493a60f04395ea1152907c4ac

SHA256
6d4364e4dfc924fcab96baaffab7c1d06ced6dfe4c4fb0553af8fde7ca7f9182

SHA512
b38b5ff12922c68bdfe9c87347588881b05b48b9484e6a06acbd2122760d3b17e038b09ad9603c986a49f0d345548fd7d36f095f73884d37f79b240cc9dc8e3a

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