6ca47c3e4b2b2b1952bba1d201a6777deca4089d9b261c03447190ed5ecf3b7a

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
15-06-2024 13:43

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General

Target

Lossless Scaling/Shaders/ANIME4K_M_4.cso
Size

5KB
MD5

7eed6fddda900b1baa5550baf64b4c9f
SHA1

25d78209e6901839cb6850d127f900523aeae8fc
SHA256

fa9f563a27ba6e27874537950009c73db41932806c8d6d4ea5fc685ad9a2193f
SHA512

d93cfd027a9801beb03be0c8669711a26beac67f6d10259b1a59f91de0d2fbc2d392451cccd243864786c2e7bc89526d7e2be7ec3bd7ca4284f90261b16df526
SSDEEP

96:NewSlDKeb07fMdyacEwAOeAxxnnevBmpZC0w2fob+86QfPlJYTf+3ZeufdHang3+:NelRQ7kaARcevB4ZC0wWo+860PlJYz+0

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cso_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cso_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cso_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cso_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\cso_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_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-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cso	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.cso\ = "cso_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2028	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2028	AcroRd32.exe
2028	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2596	1796	cmd.exe	29
PID 1796 wrote to memory of 2596	1796	cmd.exe	29
PID 1796 wrote to memory of 2596	1796	cmd.exe	29
PID 2596 wrote to memory of 2028	2596	rundll32.exe	30
PID 2596 wrote to memory of 2028	2596	rundll32.exe	30
PID 2596 wrote to memory of 2028	2596	rundll32.exe	30
PID 2596 wrote to memory of 2028	2596	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Lossless Scaling\Shaders\ANIME4K_M_4.cso"
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- 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_4.cso
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2596
- - 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_4.cso"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2028

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
6610da0b7dbd858fd57cc0fba5f7bcc3

SHA1
d50fe57f3e5848bc4a7fe129b8981b9cece0c6cc

SHA256
7748843a2050b5bb312f845887153b225c719184150078ef5049bb5e33539fec

SHA512
aa663a2c0a203b9a82c7a3757bc918b8bb51583c9874335d329ea510354b4f11e1dbafe2d35dada366740a355dd19e645e037d5077adc09a11d47a2706f07e8a

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