2dbf27909ae942e4750db2a186e7548b37919fe638f82cddca7e95b29fb847f0

Analysis

max time kernel
118s
max time network
120s
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_1.cso
Size

3KB
MD5

d42a1f4e9413300c129d1a478e72abb1
SHA1

eab01442c1e8f868472212c44c8b838d0562754c
SHA256

155ba5e09f13166ab00bb0242afc06b415e43d76e538d7a5699ec95b7634d453
SHA512

6bf5b83ab23c50de665f4ae187bca01a4b420ea933dd7b2c310858841a645b704d44e0fa566e587890e30d87e0663e8b561e52b5f056eddd83fe549dbc8afb89

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-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_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-1-5-21-2812790648-3157963462-487717889-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2812790648-3157963462-487717889-1000_CLASSES\cso_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2104 wrote to memory of 2612	2104	cmd.exe	29
PID 2104 wrote to memory of 2612	2104	cmd.exe	29
PID 2104 wrote to memory of 2612	2104	cmd.exe	29
PID 2612 wrote to memory of 2724	2612	rundll32.exe	30
PID 2612 wrote to memory of 2724	2612	rundll32.exe	30
PID 2612 wrote to memory of 2724	2612	rundll32.exe	30
PID 2612 wrote to memory of 2724	2612	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_1.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2104
- 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_1.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2612
- - 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_1.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
503544842abf06696e9a80a8a16bf0a7

SHA1
29d9bdaf7b0147151bd18cd7ac1676181f484bfd

SHA256
ccec1442df77c769dbde695a45a86b43b84023d185d0d9e77f9d0f1843f27dd3

SHA512
65731b5d4a249c6e05a8ec59395708640a9ef584b343bf9c6fb796ad27fef6b0ddb4d49e48b7431ee05416f91b4d2d9b446f269588b7bb74d8859aba9d8a29d8

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