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
122s -
max time network
123s -
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_3.cso
-
Size
5KB
-
MD5
19bd6857076132615a816fa10f3da695
-
SHA1
350ac79cb53b99dee16c69993fd2cd824d94d4f9
-
SHA256
5d735f9e5892549f7533b23b0a886f39f8a1ed9ee742d6079b9c61ecddbf9a89
-
SHA512
65a36b5541981eb5fce7f6fbf073420a54a94c6fbfe55122027b2aa061d9f75c44e01c4daba4bf1329df6bd9d4eb272a96d48b487c25472c064aa61df62a9978
-
SSDEEP
96:JwSlDKeb076f0Cw9WjrKXUDx3ngueTpZ3hsQAfobzZ/afBfPtiGHf+2k4Kdofdyx:RlRQ75MKqgf9Z3hsQkozZ/UPtiG/+2kJ
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-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file rundll32.exe Key created \REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000_CLASSES\cso_auto_file\shell\Read\command 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 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 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\Read rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2828 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2828 AcroRd32.exe 2828 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1484 wrote to memory of 2576 1484 cmd.exe rundll32.exe PID 1484 wrote to memory of 2576 1484 cmd.exe rundll32.exe PID 1484 wrote to memory of 2576 1484 cmd.exe rundll32.exe PID 2576 wrote to memory of 2828 2576 rundll32.exe AcroRd32.exe PID 2576 wrote to memory of 2828 2576 rundll32.exe AcroRd32.exe PID 2576 wrote to memory of 2828 2576 rundll32.exe AcroRd32.exe PID 2576 wrote to memory of 2828 2576 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_M_3.cso"1⤵
- Suspicious use of WriteProcessMemory
PID:1484 -
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_3.cso2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2576 -
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_3.cso"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2828
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5c2cf1647480c3b097f4c953b46800824
SHA10567da39a2c9400b1349bab84a90d11a0e015bcc
SHA256a8ba5be321175ecca1a9f92744614a1ce2e294b4f9dbff3c3d17d9564af2eba6
SHA5122a6a721544342e4be797ac8cda01141f0fc5a01e185e58ce600189a1757e59dce6266b1dddea5bd7fa21227ac8d98954a9fe713018eb383d8f6a42899e2ef049