2dbf27909ae942e4750db2a186e7548b37919fe638f82cddca7e95b29fb847f0

Analysis

max time kernel
120s
max time network
127s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-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_M_2.cso
Size

5KB
MD5

c971e7b80299a880827cc65021d0e631
SHA1

647fd21a64e2caadb20ce2eac2b4e73b5925f6de
SHA256

a8792e1ee521c9f6e5199ad1597e7be89f01dfdd371173af1635b9374b427d73
SHA512

bc189966033967e925a0bfd80fa761a1481f8ca51b5ab8480b6f20ad41869ca922a49635bd073f3b86ed34f9fd8dfdac0245d6a428d155aeec16ce60ef1ec5b8
SSDEEP

96:YwSlDKeb07k0tw/I+WEtcQvnZeKepZcHR04fobPQrhfP6YYsRf+t1bguqfdMkBrv:ElRQ7kUqPUKwZcHR0MoPQrlP6YTV+t1+

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
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_auto_file\shell	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
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file\	rundll32.exe
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\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\.cso	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3052	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3052	AcroRd32.exe
3052	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2668	2012	cmd.exe	29
PID 2012 wrote to memory of 2668	2012	cmd.exe	29
PID 2012 wrote to memory of 2668	2012	cmd.exe	29
PID 2668 wrote to memory of 3052	2668	rundll32.exe	30
PID 2668 wrote to memory of 3052	2668	rundll32.exe	30
PID 2668 wrote to memory of 3052	2668	rundll32.exe	30
PID 2668 wrote to memory of 3052	2668	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_M_2.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- 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_M_2.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2668
- - 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_M_2.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3052

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
2dbf5fa7f2d744c86cfe0a83cf5e4c6d

SHA1
f7885657a48ebf57b2a8be8e02cd591c99eed5f2

SHA256
5722d298040cd606d123bf40e39ee6d69e569c3da5390c533852ccde1ff8746f

SHA512
276ab88bf4826e1e67b81f878ee40853d023c0152cc9801f891fe9a0b0989c316f7ac7a361061948278d04f9305ec4b1817fa4aced9f57b79b4d6850c3a6e7b6

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