2dbf27909ae942e4750db2a186e7548b37919fe638f82cddca7e95b29fb847f0

Analysis

max time kernel
121s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23/06/2024, 23:23

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General

Target

Lossless.Scaling.v2.8.2/Lossless Scaling/Shaders/ANIME4K_L_4.cso
Size

24KB
MD5

366ed57e3e6ce3b04375873d0d8104f2
SHA1

98c6500a7132d82e2c32ff2695de8fbe5e61f950
SHA256

46600a5857c22d01e20bcd51796be2294dbb4c4c6c2420c9eb8f453475d95e66
SHA512

261c6025e8ea95bfc1c447c4f91238197dff6cd2b1199f9b84ed835775deb1d7b1b01dc62934468ee6c6d75a96a8427b11a1a55620759b2ce3c5bfc8f2750fad
SSDEEP

192:H3sOkP2aFneeGs5sAamp3tWMqUddZvMEywVPpaIzmtzifWICcnI5y2ZarZsIgrhq:XWNeUzXr4IxWICckyQIArpK

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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_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-1-5-21-2737914667-933161113-3798636211-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3024	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3024	AcroRd32.exe
3024	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2416 wrote to memory of 1944	2416	cmd.exe	29
PID 2416 wrote to memory of 1944	2416	cmd.exe	29
PID 2416 wrote to memory of 1944	2416	cmd.exe	29
PID 1944 wrote to memory of 3024	1944	rundll32.exe	30
PID 1944 wrote to memory of 3024	1944	rundll32.exe	30
PID 1944 wrote to memory of 3024	1944	rundll32.exe	30
PID 1944 wrote to memory of 3024	1944	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless.Scaling.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_4.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2416
- 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.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_4.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1944
- - 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.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_4.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3024

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
a26b590f6427b8fbf860cf6302a33ade

SHA1
759b1512b88ec2a060c77c10b986deb1a407695e

SHA256
f24d4365733dc59a8a30d15a328db4fa57e1f80245a63ce4900b7892cdc1bb5f

SHA512
a3717b3fc864f21893dbb0fbd7f732f366d6d56ae1ec074b076e1bcdba77cddd35505d4e7da1c88527ba9bfa3fcfa40d9266dde145fc0a3b8c9fc0f79acde2e6

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