6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

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
15/06/2024, 13:43

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General

Target

Lossless Scaling/Shaders/ANIME4K_M_5.cso
Size

5KB
MD5

0945483ae957aa27de5cac0c23356899
SHA1

9a478f84e5f6795ae2d4d0c0d3ffb571d266a21c
SHA256

daab56fcbaa24ee5f31e05925fbc51b2099d73b810c809b39ea569e391e81d5d
SHA512

d1005482e7e4ce0d48d4c706cbc53c381919ab6f89b07a001688798faba7ac1fae762adec71ac18fa9772efd1b74035125732ef925dac6908cdd229d078513eb
SSDEEP

96:XwSlDKeb07EXtNvfafU+EQXr/TnOe/9pZkwn7Ufob/7KHfP1lGEosf+7Na/cfd8i:LlRQ7sNve7/HZkwn7Ao/7K/P1lGXo+7N

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-1-5-21-39690363-730359138-1046745555-1000_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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\cso_auto_file	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	rundll32.exe
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\Read\command	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

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 2620	2444	cmd.exe	29
PID 2444 wrote to memory of 2620	2444	cmd.exe	29
PID 2444 wrote to memory of 2620	2444	cmd.exe	29
PID 2620 wrote to memory of 2596	2620	rundll32.exe	31
PID 2620 wrote to memory of 2596	2620	rundll32.exe	31
PID 2620 wrote to memory of 2596	2620	rundll32.exe	31
PID 2620 wrote to memory of 2596	2620	rundll32.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_5.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- 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_5.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2620
- - 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_5.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2596

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
8a373d7ef792c24640bd3cf98741bf2e

SHA1
b0b03faed5b48d53bacacc7890cc626853741c91

SHA256
1fa237e8a3ca7cd1cb19c36d257b63bdd7291a2e53f20aca2f042c2a88f937ce

SHA512
cf00d8cc13ead779955f526172a82cfcf312403ec9fcbbc5a3d4fdd7244730295b333239eab6e711d41e7c2918282776ceff91275ffd9166eb35e5ffa6d5bce3

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