2dbf27909ae942e4750db2a186e7548b37919fe638f82cddca7e95b29fb847f0

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-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_L_1.cso
Size

4KB
MD5

f010c9115209e8cacf06d5ecadaaf9a5
SHA1

548d5519e0d38350c557300c12d9218db31950d8
SHA256

09cbba179c6a6fa2d4e19a2587fec33fa40b06e9bc256bb0190a22d43416fe9c
SHA512

91229b385def3ad019bbfd8779d25a58b5a497c9c3c1e102e012c4edc172b48cc6ad266cbd08fbf3863d4761f35b2dcfb7bca8f9d2f407c6d7228e7e153fb505
SSDEEP

96:cTzhQeKGbrZFffeWbvAc14vi64iYGsQkqDtSGcL65:uhQs/ZFgi64/x25

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-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\cso_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000_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
2616	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2616	AcroRd32.exe
2616	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2404	1732	cmd.exe	29
PID 1732 wrote to memory of 2404	1732	cmd.exe	29
PID 1732 wrote to memory of 2404	1732	cmd.exe	29
PID 2404 wrote to memory of 2616	2404	rundll32.exe	30
PID 2404 wrote to memory of 2616	2404	rundll32.exe	30
PID 2404 wrote to memory of 2616	2404	rundll32.exe	30
PID 2404 wrote to memory of 2616	2404	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_L_1.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:1732
- 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_L_1.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2404
- - 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_L_1.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2616

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
6ea52cd16e728864ac8a05735a7ca8e0

SHA1
def9d066723450f0106d2cfe62b4635e949c22dc

SHA256
dfed5c23fd0b9d8fce16f8bdf21fe9fe0c6bda99125fb6872356c0c9ae512dc4

SHA512
300c679cfea981e4bedf28204d03ad91420a584aee9da3beb14f676d4150d83fbae17e5df3ef748844cb2df5d0cb8d62d0287d2df2cfe1202dfeb12012fa8dec

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