Overview
overview
3Static
static
3Lossless.S....9.rar
windows7-x64
3Lossless.S....9.rar
windows10-2004-x64
3Lossless S...es.txt
windows7-x64
1Lossless S...es.txt
windows10-2004-x64
1Lossless S...ss.dll
windows7-x64
1Lossless S...ss.dll
windows10-2004-x64
1Lossless S...ng.exe
windows7-x64
1Lossless S...ng.exe
windows10-2004-x64
1Lossless S...xe.xml
windows7-x64
1Lossless S...xe.xml
windows10-2004-x64
1Lossless S..._1.cso
windows7-x64
3Lossless S..._1.cso
windows10-2004-x64
3Lossless S..._2.cso
windows7-x64
3Lossless S..._2.cso
windows10-2004-x64
3Lossless S..._3.cso
windows7-x64
3Lossless S..._3.cso
windows10-2004-x64
3Lossless S..._4.cso
windows7-x64
3Lossless S..._4.cso
windows10-2004-x64
3Lossless S..._1.cso
windows7-x64
3Lossless S..._1.cso
windows10-2004-x64
3Lossless S..._2.cso
windows7-x64
3Lossless S..._2.cso
windows10-2004-x64
3Lossless S..._3.cso
windows7-x64
3Lossless S..._3.cso
windows10-2004-x64
3Lossless S..._4.cso
windows7-x64
3Lossless S..._4.cso
windows10-2004-x64
3Lossless S..._5.cso
windows7-x64
3Lossless S..._5.cso
windows10-2004-x64
3Lossless S..._6.cso
windows7-x64
3Lossless S..._6.cso
windows10-2004-x64
3Lossless S..._7.cso
windows7-x64
3Lossless S..._7.cso
windows10-2004-x64
3Analysis
-
max time kernel
117s -
max time network
118s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
13-06-2024 17:31
Static task
static1
Behavioral task
behavioral1
Sample
Lossless.Scaling.2.9.rar
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
Lossless.Scaling.2.9.rar
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
Lossless Scaling 2.9/Licenses.txt
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
Lossless Scaling 2.9/Licenses.txt
Resource
win10v2004-20240508-en
Behavioral task
behavioral5
Sample
Lossless Scaling 2.9/Lossless.dll
Resource
win7-20240221-en
Behavioral task
behavioral6
Sample
Lossless Scaling 2.9/Lossless.dll
Resource
win10v2004-20240611-en
Behavioral task
behavioral7
Sample
Lossless Scaling 2.9/LosslessScaling.exe
Resource
win7-20240611-en
Behavioral task
behavioral8
Sample
Lossless Scaling 2.9/LosslessScaling.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral9
Sample
Lossless Scaling 2.9/LosslessScaling.exe.xml
Resource
win7-20240508-en
Behavioral task
behavioral10
Sample
Lossless Scaling 2.9/LosslessScaling.exe.xml
Resource
win10v2004-20240611-en
Behavioral task
behavioral11
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_1.cso
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_1.cso
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_2.cso
Resource
win7-20240508-en
Behavioral task
behavioral14
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_2.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral15
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_3.cso
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_3.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral17
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_4.cso
Resource
win7-20240220-en
Behavioral task
behavioral18
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_L_4.cso
Resource
win10v2004-20240508-en
Behavioral task
behavioral19
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_1.cso
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_1.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral21
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_2.cso
Resource
win7-20240611-en
Behavioral task
behavioral22
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_2.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral23
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_3.cso
Resource
win7-20240508-en
Behavioral task
behavioral24
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_3.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral25
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_4.cso
Resource
win7-20240611-en
Behavioral task
behavioral26
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_4.cso
Resource
win10v2004-20240611-en
Behavioral task
behavioral27
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_5.cso
Resource
win7-20231129-en
Behavioral task
behavioral28
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_5.cso
Resource
win10v2004-20240508-en
Behavioral task
behavioral29
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_6.cso
Resource
win7-20240508-en
Behavioral task
behavioral30
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_6.cso
Resource
win10v2004-20240508-en
Behavioral task
behavioral31
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_7.cso
Resource
win7-20240508-en
Behavioral task
behavioral32
Sample
Lossless Scaling 2.9/Shaders/ANIME4K_M_7.cso
Resource
win10v2004-20240508-en
General
-
Target
Lossless Scaling 2.9/Shaders/ANIME4K_M_6.cso
-
Size
5KB
-
MD5
5ed9a904cbaba1578b2e440e12030b6b
-
SHA1
b828fa3dcc56d4479a1df80291d4ce96a15ee3cc
-
SHA256
483921a542242dc850da6a8e91e0e089df67b952b8b9e0654aaea6e6e184a2d0
-
SHA512
2b9e1268060e8c43a327f07d2ea5aeb23bad60e83cf56e52bf8ceb6881132902a5c864a1878f26be03ad1a04698dedd569ee69c5c3966549f3ebf7789599c83f
-
SSDEEP
96:nlUwSlDKeb07qzohK4fEATWB/zfnVe/pZClZXfobw5j9kfPqvBrPf+UgdqQvfdts:nSlRQ7km8l/4hZClZPow5jCPqvBz+fdg
Malware Config
Signatures
-
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Modifies registry class 9 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.cso\ = "cso_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file\shell\Read\command rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\.cso rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file\shell rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_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
Processes:
AcroRd32.exepid process 2988 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2988 AcroRd32.exe 2988 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1672 wrote to memory of 2764 1672 cmd.exe rundll32.exe PID 1672 wrote to memory of 2764 1672 cmd.exe rundll32.exe PID 1672 wrote to memory of 2764 1672 cmd.exe rundll32.exe PID 2764 wrote to memory of 2988 2764 rundll32.exe AcroRd32.exe PID 2764 wrote to memory of 2988 2764 rundll32.exe AcroRd32.exe PID 2764 wrote to memory of 2988 2764 rundll32.exe AcroRd32.exe PID 2764 wrote to memory of 2988 2764 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_M_6.cso"1⤵
- Suspicious use of WriteProcessMemory
PID:1672 -
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_M_6.cso2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2764 -
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_M_6.cso"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2988
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD56c2341f3a44b78743ac334dfb2040d68
SHA1e21df5c460a087f1be730d03a547674cc53c6743
SHA256301578d9f40bbc38ba61f8ca1fee36f1576880516cda269b1310fe37e39f9516
SHA512f75fba19bffa05c6daeed32754deb606e0c26800b14950ae7cbcf783d49d70367477696403dadb6e1021c1b06af7c202ec1169cf63cab5f3c30a927bc9e25d6a