6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
120s
max time network
128s
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_7.cso
Size

5KB
MD5

9502d5a7eff8fa0b45fce96414f04dbd
SHA1

ab73cd806d33f52e753184bff81da5ba302700cf
SHA256

c27171dda2a61238caf6a8fc186c58df4d42b6ff9e080724a36496624fecad27
SHA512

5f5f678b8f5c2252f42bb2d6bb7d2e5fadd5021eabf3781a471626631e9c860bdf94e2a2ff5c89a1c9c5dbe58290ee81fe42a1b03b9543654bb3cb13b00a70fd
SSDEEP

96:JwSlDKeb0787pHLM7Ohcfen0WebpZsnQXfobjonuXcfP1qVB0f+m+fIfd4xY/Pfz:RlRQ78COolZsnQPoUnuIP1qVBg+m+fcH

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-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.cso	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_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
2824	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2824	AcroRd32.exe
2824	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2664	1676	cmd.exe	29
PID 1676 wrote to memory of 2664	1676	cmd.exe	29
PID 1676 wrote to memory of 2664	1676	cmd.exe	29
PID 2664 wrote to memory of 2824	2664	rundll32.exe	30
PID 2664 wrote to memory of 2824	2664	rundll32.exe	30
PID 2664 wrote to memory of 2824	2664	rundll32.exe	30
PID 2664 wrote to memory of 2824	2664	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_7.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:1676
- 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_7.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2664
- - 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_7.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2824

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
215e6d52f91fefb164754d79bbbd82ed

SHA1
b5aeed20658b5a436d9276af423765d0c107949d

SHA256
e73afe0a3edb716568eb284923e0804da6b6f3116ddf4e70cd1b091871e24814

SHA512
0f09d0bf326179c1eca81ced5b9336d4eb6ef601c420d58b2c4e66c8488f360d0fa28e74c896cedb9fa729a3ce641b31e05ba9eb639341cd45158add3958ff3d

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