f37c0297f54bc509b60046fa825ec4f800a001efc2922525fb5a20e7da96dc0d

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
25-06-2024 18:12

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General

Target

Lossless Scaling 2.9/Shaders/ANIME4K_L_2.cso
Size

16KB
MD5

c4f72d84e6febd9799bc4fc55adfb04d
SHA1

aeeea18d4ad3d756c9c2069f268f3f402442c5c0
SHA256

fefb8ae13771c8443d4bdbeaf701faee3755df71962f3f57da240d0aa668db90
SHA512

cd40966aeb04335213a21e204a61cb2f007cfe6b02d0645a9dbf4895deb44e88c5753f82e76f083d21647b4e24c05dcc3cd8549ce057c332b117d92c61d41d94
SSDEEP

192:Jp17319RmpWzdhspKmLEWkmGMsnTfnNKFVDTSv8Jg7NHHSvx2Jm8MmKJsBm:JP1CT8PEA7ZaMJCmKJs0

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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell	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
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2976 wrote to memory of 2752	2976	cmd.exe	29
PID 2976 wrote to memory of 2752	2976	cmd.exe	29
PID 2976 wrote to memory of 2752	2976	cmd.exe	29
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_L_2.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2976
- 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 2.9\Shaders\ANIME4K_L_2.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2752
- - 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 2.9\Shaders\ANIME4K_L_2.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2556

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
1017e15294fcaa088247db1055d9d1ce

SHA1
abc14dbb05d5f479b77ff90d76e6f2ecb3a12904

SHA256
7d90bd790b4311b20cd202196456583a59160a7737dbb3a940213dccaf3a6429

SHA512
3f6e450e5eceb98d6e56d32ff24c2af04c86633dd039e3b438c2377960a4f93ca7555da4bed0da1191d9220e849f5a9276f1a9febcaed5c9e123142d7f706a44

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