Analysis
- max time kernel
150s - max time network
128s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
18/08/2026, 20:31
Behavioral task
behavioral1
Sample
clownfishvoicechanger.exe
Resource
win10v2004-20260513-en
7 signatures
150 seconds
General
- Target clownfishvoicechanger.exe
- Size 2.0MB
- Sample260818-zazmlsbc56
- SHA256 b7a0aa6db975465e61e23f9bae86474affbea18be7251bbc5f7b52d44d7f7186
- MD5 fa7d22036514ecf9a22d170510fe0acf
- SHA1 dcd86b94eac20fbf40d35cd58bd58d7de6830372
- SHA512 9ff15c5394a4ec9c22427ac76b048b3624d4cddd19e59996b67ae9360cb7abb4bef0536dc2d4a07f9c48bfb4c7f31c78a84cc8a4815d353005c281ef9b0922f0
- SSDEEP 24576:iXfPki0RBC19GXIVdIA5gJXpJehyxwKlvdXgKfpXrbEL10B+kM/PfcXmH1bmBXjl:wobJB2+TwKfpbR+/T1bmBXfqg
- TLSH T1E3A5C03BF28BA13EE06E1A367A72A210553B7A2165164C1696FCF84CCF355701E3F687
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
pid Process 4588 clownfishvoicechanger.tmp - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language clownfishvoicechanger.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language clownfishvoicechanger.tmp - Inno Setup is an open-source installation builder for Windows applications. 2 IoCs
Inno Setup installer
resource yara_rule behavioral2/memory/4928-0-0x00000000004A0000-0x0000000000589000-memory.dmp innosetup behavioral2/memory/4928-7-0x00000000004A0000-0x0000000000589000-memory.dmp innosetup - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4928 wrote to memory of 4588 4928 clownfishvoicechanger.exe 89
Processes
-
C:\Users\Admin\AppData\Local\Temp\clownfishvoicechanger.exe"C:\Users\Admin\AppData\Local\Temp\clownfishvoicechanger.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4928 -
C:\Users\Admin\AppData\Local\Temp\is-3ENAQTBYRE.tmp\clownfishvoicechanger.tmp"C:\Users\Admin\AppData\Local\Temp\is-3ENAQTBYRE.tmp\clownfishvoicechanger.tmp" /SL5="$501BA,890880,890880,C:\Users\Admin\AppData\Local\Temp\clownfishvoicechanger.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4588
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\is-3ENAQTBYRE.tmp\clownfishvoicechanger.tmp
- Size 4.2MB
- SHA256 8e8b8d2a2de30665a12787d686c9c573e32a5e4427e042c2a4496a621dba2d41
- MD5 a52815bb897fec9af1a8ec2c39e224eb
- SHA1 f901f5e7693b60f3a309c3d97e8fc0e4a5aad98d
- SHA512 06353136238699b8d1c9079b3e71ffabfd12fe935f7fb18f6ed8e2a29a62dc2437b1ac1e08ba64e6d843078bbe59b8a9d311bb1aab6e06be09d62ff86acf9487
- SSDEEP 98304:KiDj+6GqBH6KwsvcHJ4c91usxgkod1sc+333Pz:XjpG5ucZus5Qn8z
- TLSH T199267D13F784653EE46B1A3A4837A254993B7E303A16CC477BFC298C4F396406D2A797
- MD5 SHA1 SHA512 SSDEEP TLSH