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
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-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_L_1.cso
-
Size
4KB
-
MD5
f010c9115209e8cacf06d5ecadaaf9a5
-
SHA1
548d5519e0d38350c557300c12d9218db31950d8
-
SHA256
09cbba179c6a6fa2d4e19a2587fec33fa40b06e9bc256bb0190a22d43416fe9c
-
SHA512
91229b385def3ad019bbfd8779d25a58b5a497c9c3c1e102e012c4edc172b48cc6ad266cbd08fbf3863d4761f35b2dcfb7bca8f9d2f407c6d7228e7e153fb505
-
SSDEEP
96:cTzhQeKGbrZFffeWbvAc14vi64iYGsQkqDtSGcL65:uhQs/ZFgi64/x25
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 Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.cso rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.cso\ = "cso_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\cso_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\cso_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\cso_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\cso_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\cso_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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 2720 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2720 AcroRd32.exe 2720 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1724 wrote to memory of 2244 1724 cmd.exe rundll32.exe PID 1724 wrote to memory of 2244 1724 cmd.exe rundll32.exe PID 1724 wrote to memory of 2244 1724 cmd.exe rundll32.exe PID 2244 wrote to memory of 2720 2244 rundll32.exe AcroRd32.exe PID 2244 wrote to memory of 2720 2244 rundll32.exe AcroRd32.exe PID 2244 wrote to memory of 2720 2244 rundll32.exe AcroRd32.exe PID 2244 wrote to memory of 2720 2244 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_L_1.cso"1⤵
- Suspicious use of WriteProcessMemory
PID:1724 -
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_1.cso2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2244 -
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_1.cso"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2720
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5fb78abb668a30f0cd177a6643f2b03e8
SHA14c49576d65eb4805c6758a3ca157c97d7381a15e
SHA2563b858f842959b62d42cb2f86993454b2a269b186fb67dbe399c9f1ef68562e39
SHA5124c168f5183d8ba1b16a7b70154e49ec47c705af1cadddfb29d0f0d99fe04a11ac06e0ac0357707a5bdeca79d117d445ec44dcd177a39edb3f49f42627416574a