2dbf27909ae942e4750db2a186e7548b37919fe638f82cddca7e95b29fb847f0

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
23-06-2024 23:23

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General

Target

Lossless.Scaling.v2.8.2/Lossless Scaling/Shaders/ANIME4K_L_3.cso
Size

16KB
MD5

1b6a8ffb9c9f877a4f959d189d19e23d
SHA1

fb16289880af3c2630f8751b15edd4a188a184bb
SHA256

df0900d18b17b38c3594a903ba05146785dfefe6b68fd5a0bcad4179c710a66b
SHA512

12fcda09a1337c8d3c41c075e2cb674e62a5d43d9abb79e38e097a06645d362e4c9850706aecc9e5c314f847a6e7e12baae2068140a85d0d9caf85b8ab34f1ad
SSDEEP

192:Dp173wv0/c1YdGGB1U2s3LmEtZlgVL7KmB6KtCIQByydkeUzgWyPkZkLbOLYYm:DP81OvB9EtmVjrgWW

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
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\ = "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\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
Key created	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000_CLASSES\cso_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2988	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2988	AcroRd32.exe
2988	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1672 wrote to memory of 2764	1672	cmd.exe	29
PID 1672 wrote to memory of 2764	1672	cmd.exe	29
PID 1672 wrote to memory of 2764	1672	cmd.exe	29
PID 2764 wrote to memory of 2988	2764	rundll32.exe	30
PID 2764 wrote to memory of 2988	2764	rundll32.exe	30
PID 2764 wrote to memory of 2988	2764	rundll32.exe	30
PID 2764 wrote to memory of 2988	2764	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless.Scaling.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_3.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.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_3.cso
  2⤵
  - 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.v2.8.2\Lossless Scaling\Shaders\ANIME4K_L_3.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2988

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
19fe429a4669f5ee909624342650eab3

SHA1
dd89ee3dbbac10b650c4b4177812c183552dd146

SHA256
35947f0579d5a70302cbc333bd3c31905cd412fc9dca0d90634a873355531c81

SHA512
3cf2c1063a9f2d5f20bd92cc1afb886d23a8491e955e502da3bb0e8a51e97919be5fe91e5805746fb618973d09afaf9b6c45e0d42ac35ffe8b44d757aaa4b01d

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