6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
15/06/2024, 13:43

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General

Target

Lossless Scaling/Shaders/ANIME4K_L_4.cso
Size

24KB
MD5

366ed57e3e6ce3b04375873d0d8104f2
SHA1

98c6500a7132d82e2c32ff2695de8fbe5e61f950
SHA256

46600a5857c22d01e20bcd51796be2294dbb4c4c6c2420c9eb8f453475d95e66
SHA512

261c6025e8ea95bfc1c447c4f91238197dff6cd2b1199f9b84ed835775deb1d7b1b01dc62934468ee6c6d75a96a8427b11a1a55620759b2ce3c5bfc8f2750fad
SSDEEP

192:H3sOkP2aFneeGs5sAamp3tWMqUddZvMEywVPpaIzmtzifWICcnI5y2ZarZsIgrhq:XWNeUzXr4IxWICckyQIArpK

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-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_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-1-5-21-1340930862-1405011213-2821322012-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1340930862-1405011213-2821322012-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2736	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2736	AcroRd32.exe
2736	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2624	352	cmd.exe	29
PID 352 wrote to memory of 2624	352	cmd.exe	29
PID 352 wrote to memory of 2624	352	cmd.exe	29
PID 2624 wrote to memory of 2736	2624	rundll32.exe	30
PID 2624 wrote to memory of 2736	2624	rundll32.exe	30
PID 2624 wrote to memory of 2736	2624	rundll32.exe	30
PID 2624 wrote to memory of 2736	2624	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_L_4.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:352
- 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_L_4.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2624
- - 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_L_4.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2736

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
d5503b084f690ed243ec8d7db056dc08

SHA1
fa9a3cd4742b9a213815e0769d4093fb12110dbf

SHA256
59dd2a3a9caab9e0988b05cdb18617b691dafd91b06d1c72350a1de852c84f33

SHA512
41f0cb175e9a21ca118971d2f7ab0bec243bccf350d39a11b2c39cf8f1d4be4af56521cb671f23a652bd7f5b9183f91cab9b5e60ba48ba6d7f47d806865ed0b2

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