40f1b71a057db9ca86a4d699e827a7d98f530044bfe37361d4a6f16b8057f2a9

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
01/05/2024, 21:40

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General

Target

htdocs/index.php
Size

1KB
MD5

4f112c84d6293ef8ea35f1ddbb31879a
SHA1

e6d75d26cc2ef7415c41e0c25ee3458b5e52c904
SHA256

2a47143377228bb77d7cb4b99b43ad0a75fda891652b18e0c60c30a242245606
SHA512

0938447c51ac37d313cb3afdacd0536edc7c367402ba576b6ea512db3f309ca5781798c314c725095c604d5c2b91c6e3c832de16b7f829da218a27fd1c9e9ccf

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.php\ = "php_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.php	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\php_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2920	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2920	AcroRd32.exe
2920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2492 wrote to memory of 2688	2492	cmd.exe	29
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30
PID 2688 wrote to memory of 2920	2688	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\htdocs\index.php
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\htdocs\index.php
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2688
- - 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\htdocs\index.php"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2920

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
b6e2d583e704791452593401f1b5a676

SHA1
a129d246be776936ee4e6d84e4cc12295a5089b0

SHA256
3cc1d5750e037c38513b9281f7378b6e113ad134f5c31f304383cd3652027213

SHA512
6fa1bd94f928c41512ad7a4ab9a9d547b5c08ebf547961ab4cdd359c21dd4f3a99642e25900c12b57d1344e2020c4fcf8979c23643b2457ee2495d1149b17bb3

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