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
120s -
max time network
121s -
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_7.cso
-
Size
5KB
-
MD5
9502d5a7eff8fa0b45fce96414f04dbd
-
SHA1
ab73cd806d33f52e753184bff81da5ba302700cf
-
SHA256
c27171dda2a61238caf6a8fc186c58df4d42b6ff9e080724a36496624fecad27
-
SHA512
5f5f678b8f5c2252f42bb2d6bb7d2e5fadd5021eabf3781a471626631e9c860bdf94e2a2ff5c89a1c9c5dbe58290ee81fe42a1b03b9543654bb3cb13b00a70fd
-
SSDEEP
96:JwSlDKeb0787pHLM7Ohcfen0WebpZsnQXfobjonuXcfP1qVB0f+m+fIfd4xY/Pfz:RlRQ78COolZsnQPoUnuIP1qVBg+m+fcH
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-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\ rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.cso rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.cso\ = "cso_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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 2492 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2492 AcroRd32.exe 2492 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1580 wrote to memory of 2624 1580 cmd.exe rundll32.exe PID 1580 wrote to memory of 2624 1580 cmd.exe rundll32.exe PID 1580 wrote to memory of 2624 1580 cmd.exe rundll32.exe PID 2624 wrote to memory of 2492 2624 rundll32.exe AcroRd32.exe PID 2624 wrote to memory of 2492 2624 rundll32.exe AcroRd32.exe PID 2624 wrote to memory of 2492 2624 rundll32.exe AcroRd32.exe PID 2624 wrote to memory of 2492 2624 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_M_7.cso"1⤵
- Suspicious use of WriteProcessMemory
PID:1580 -
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_7.cso2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2624 -
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_7.cso"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2492
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5513ba517638ff848a496749659c69607
SHA101a5523f6b4e233de6bf98a32c708ef91a5964ef
SHA25607648e353501604cc3a54f7ebe0a7ee30ed7cbd1a577524d3055cfe6039331f6
SHA512919a67e81d2f7a2831da5502dc8bfd092a3df15419086eaeccaa99cceb5d1d8c4e5a81b9e597f8577f4a4a80e108a5373eff982d5cbe16cc926ea18e35eb76b3