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
124s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-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_2.cso
-
Size
5KB
-
MD5
c971e7b80299a880827cc65021d0e631
-
SHA1
647fd21a64e2caadb20ce2eac2b4e73b5925f6de
-
SHA256
a8792e1ee521c9f6e5199ad1597e7be89f01dfdd371173af1635b9374b427d73
-
SHA512
bc189966033967e925a0bfd80fa761a1481f8ca51b5ab8480b6f20ad41869ca922a49635bd073f3b86ed34f9fd8dfdac0245d6a428d155aeec16ce60ef1ec5b8
-
SSDEEP
96:YwSlDKeb07k0tw/I+WEtcQvnZeKepZcHR04fobPQrhfP6YYsRf+t1bguqfdMkBrv:ElRQ7kUqPUKwZcHR0MoPQrlP6YTV+t1+
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-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file\shell\Read rundll32.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file\shell rundll32.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file\shell\Read\command rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file\ rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.cso\ = "cso_auto_file" rundll32.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.cso rundll32.exe Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_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-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings rundll32.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file rundll32.exe -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
Processes:
AcroRd32.exepid process 2616 AcroRd32.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
AcroRd32.exepid process 2616 AcroRd32.exe 2616 AcroRd32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
cmd.exerundll32.exedescription pid process target process PID 1916 wrote to memory of 2584 1916 cmd.exe rundll32.exe PID 1916 wrote to memory of 2584 1916 cmd.exe rundll32.exe PID 1916 wrote to memory of 2584 1916 cmd.exe rundll32.exe PID 2584 wrote to memory of 2616 2584 rundll32.exe AcroRd32.exe PID 2584 wrote to memory of 2616 2584 rundll32.exe AcroRd32.exe PID 2584 wrote to memory of 2616 2584 rundll32.exe AcroRd32.exe PID 2584 wrote to memory of 2616 2584 rundll32.exe AcroRd32.exe
Processes
-
C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling 2.9\Shaders\ANIME4K_M_2.cso"1⤵
- Suspicious use of WriteProcessMemory
PID:1916 -
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_2.cso2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2584 -
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_2.cso"3⤵
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:2616
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
-
Filesize
3KB
MD5c00994341d1a68c563cc71ba5d0d5ab2
SHA1dc9b1a447d95661a83d7992729451962a3353564
SHA256e8ae91371208de6f5235b7ea4fa658d7cd6f6402b09feed27bbe27c70448e002
SHA5129c4b11422eb94408b66638adf853ee1b7e9da0e6ff84372a4d8005e8b0b2ba3be2b9a6357c45bdd56e332853333dde5728f791c5a71630edd539fea133847ae5