f71f038f516a58a3217ff0e7850abcab832e1834bcd4329ba14025bf4ab61fda

Resubmissions

20-03-2024 13:08

240320-qdmyjshb67 7

20-03-2024 13:05

240320-qbnr3ahh2y 3

Analysis

max time kernel
48s
max time network
16s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
20-03-2024 13:05

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General

Target

script.au3
Size

469KB
MD5

e1803b01e3f187355dbeb87a0c91b76c
SHA1

b78bc11afacf9cfcaade0e200a344c4602f2053d
SHA256

46c5ed90e3d6b8bc85ae369aa87ba75a12eed6a7cfa8edeb497e5ec7f7c75d9e
SHA512

bfcc8cf7c72bcbf2aa2586a653df00e5c0e7fccb748a5fcdf97ebfaa594fbf81e1c24ce1f5ced039dea76bf251a76ec85db2187614039fa882d702bdc14c6bda
SSDEEP

12288:ZkvyTm8GvC4sSTNJhtXVX9Asbbyhz2mfBLa7EVRcJu4pLrFpUGn6KG5N0iAe+:AsJGvBtTT1OBLZvu6N0a+

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.au3\ = "au3_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.au3	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\au3_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2860	AcroRd32.exe
2860	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2168 wrote to memory of 2628	2168	cmd.exe	29
PID 2168 wrote to memory of 2628	2168	cmd.exe	29
PID 2168 wrote to memory of 2628	2168	cmd.exe	29
PID 2628 wrote to memory of 2860	2628	rundll32.exe	30
PID 2628 wrote to memory of 2860	2628	rundll32.exe	30
PID 2628 wrote to memory of 2860	2628	rundll32.exe	30
PID 2628 wrote to memory of 2860	2628	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\script.au3
1⤵
- Suspicious use of WriteProcessMemory
PID:2168
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\script.au3
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2628
- - 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\script.au3"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:2860

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
dc4bc01481f903a193d3dd54340065e0

SHA1
a936fc0c0b5a2e6a827e2af208887be0dbbd543d

SHA256
15af0c308e660a6a81f3f37f45e94989276ee00d6dca85c312bdecc584927101

SHA512
e639b4064ad07255dded6bef41309623510be06c42ea93931a8f92f3f553dc1b3c63a7c5768d5fcca3698d568cddee71c608bd8edd812fbbfe53b6ca8c97972e

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