6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
119s
max time network
125s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 13:43

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General

Target

Lossless Scaling/Shaders/ANIME4K_M_3.cso
Size

5KB
MD5

19bd6857076132615a816fa10f3da695
SHA1

350ac79cb53b99dee16c69993fd2cd824d94d4f9
SHA256

5d735f9e5892549f7533b23b0a886f39f8a1ed9ee742d6079b9c61ecddbf9a89
SHA512

65a36b5541981eb5fce7f6fbf073420a54a94c6fbfe55122027b2aa061d9f75c44e01c4daba4bf1329df6bd9d4eb272a96d48b487c25472c064aa61df62a9978
SSDEEP

96:JwSlDKeb076f0Cw9WjrKXUDx3ngueTpZ3hsQAfobzZ/afBfPtiGHf+2k4Kdofdyx:RlRQ75MKqgf9Z3hsQkozZ/UPtiG/+2kJ

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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_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
2668	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2668	AcroRd32.exe
2668	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1244 wrote to memory of 2936	1244	cmd.exe	29
PID 1244 wrote to memory of 2936	1244	cmd.exe	29
PID 1244 wrote to memory of 2936	1244	cmd.exe	29
PID 2936 wrote to memory of 2668	2936	rundll32.exe	30
PID 2936 wrote to memory of 2668	2936	rundll32.exe	30
PID 2936 wrote to memory of 2668	2936	rundll32.exe	30
PID 2936 wrote to memory of 2668	2936	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_3.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:1244
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_3.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2936
- - 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\Lossless Scaling\Shaders\ANIME4K_M_3.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2668

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

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Downloads

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

Filesize
3KB

MD5
e8ca56efd5b20bbe2a3a4a6472a87b1d

SHA1
fff68f8ac0497ad7e9daac3e9afa937e51b2a62c

SHA256
13b518fd0f1fbc04bff8e6c859d5ac6f37d085bee67f283ec0719bc34dda8ed2

SHA512
90e199c693bdb963cdcb19e5952b29f885ebd63198bd9b203dbedfc39b58fe94a7650ded318dcc4fd063cfcc8726dadb7b245461c37d90800b5c3817a67a05bf

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