6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 13:43

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General

Target

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-1-5-21-3691908287-3775019229-3534252667-1000_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\ = "cso_auto_file"	rundll32.exe
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	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_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\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2220	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2220	AcroRd32.exe
2220	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2256 wrote to memory of 2668	2256	cmd.exe	29
PID 2256 wrote to memory of 2668	2256	cmd.exe	29
PID 2256 wrote to memory of 2668	2256	cmd.exe	29
PID 2668 wrote to memory of 2220	2668	rundll32.exe	30
PID 2668 wrote to memory of 2220	2668	rundll32.exe	30
PID 2668 wrote to memory of 2220	2668	rundll32.exe	30
PID 2668 wrote to memory of 2220	2668	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_2.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2256
- 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\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\Shaders\ANIME4K_M_2.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2220

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
2ebc4c83ad1ca248aaafc21a1ede6e33

SHA1
f77afe9ce59db21ac2172c0a8c37dacd6fcc3556

SHA256
98ffed393057a4edff58418b27029333988f447a332a83dd2f6422e392eb255b

SHA512
401d3b6f21c607193b62c4534a66c444e17073f364140608d13f47904878187b528e75b10d77468c7d6579f412855346fc4918c2e552f0add0a7b05d0522c071

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