Overview
overview
7Static
static
7Cool MP3 S...��.bat
windows7-x64
1Cool MP3 S...��.bat
windows10-2004-x64
1Cool MP3 S...��.bat
windows7-x64
1Cool MP3 S...��.bat
windows10-2004-x64
1Cool MP3 S...io.dll
windows7-x64
3Cool MP3 S...io.dll
windows10-2004-x64
3Cool MP3 S...od.dll
windows7-x64
3Cool MP3 S...od.dll
windows10-2004-x64
3Cool MP3 S...lp.chm
windows7-x64
1Cool MP3 S...lp.chm
windows10-2004-x64
1Cool MP3 S...me.dll
windows7-x64
3Cool MP3 S...me.dll
windows10-2004-x64
3Cool MP3 S...p3.dll
windows7-x64
3Cool MP3 S...p3.dll
windows10-2004-x64
3Cool MP3 S...in.exe
windows7-x64
1Cool MP3 S...in.exe
windows10-2004-x64
3Cool MP3 S...ay.dll
windows7-x64
3Cool MP3 S...ay.dll
windows10-2004-x64
3Cool MP3 S...��.exe
windows7-x64
3Cool MP3 S...��.exe
windows10-2004-x64
3Cool MP3 S...it.dll
windows7-x64
3Cool MP3 S...it.dll
windows10-2004-x64
3Cool MP3 S...er.exe
windows7-x64
1Cool MP3 S...er.exe
windows10-2004-x64
3Cool MP3 S...te.dll
windows7-x64
3Cool MP3 S...te.dll
windows10-2004-x64
3Cool MP3 S...��.url
windows7-x64
1Cool MP3 S...��.url
windows10-2004-x64
1Analysis
-
max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
25-08-2024 11:30
Behavioral task
behavioral1
Sample
Cool MP3 Splitter & Joiner/!)卸载.bat
Resource
win7-20240705-en
Behavioral task
behavioral2
Sample
Cool MP3 Splitter & Joiner/!)卸载.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral3
Sample
Cool MP3 Splitter & Joiner/!)绿化.bat
Resource
win7-20240704-en
Behavioral task
behavioral4
Sample
Cool MP3 Splitter & Joiner/!)绿化.bat
Resource
win10v2004-20240802-en
Behavioral task
behavioral5
Sample
Cool MP3 Splitter & Joiner/audio.dll
Resource
win7-20240704-en
Behavioral task
behavioral6
Sample
Cool MP3 Splitter & Joiner/audio.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral7
Sample
Cool MP3 Splitter & Joiner/bassmod.dll
Resource
win7-20240705-en
Behavioral task
behavioral8
Sample
Cool MP3 Splitter & Joiner/bassmod.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral9
Sample
Cool MP3 Splitter & Joiner/help.chm
Resource
win7-20240705-en
Behavioral task
behavioral10
Sample
Cool MP3 Splitter & Joiner/help.chm
Resource
win10v2004-20240802-en
Behavioral task
behavioral11
Sample
Cool MP3 Splitter & Joiner/lame.dll
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
Cool MP3 Splitter & Joiner/lame.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral13
Sample
Cool MP3 Splitter & Joiner/mp3.dll
Resource
win7-20240704-en
Behavioral task
behavioral14
Sample
Cool MP3 Splitter & Joiner/mp3.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral15
Sample
Cool MP3 Splitter & Joiner/mp3join.exe
Resource
win7-20240704-en
Behavioral task
behavioral16
Sample
Cool MP3 Splitter & Joiner/mp3join.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral17
Sample
Cool MP3 Splitter & Joiner/mp3play.dll
Resource
win7-20240708-en
Behavioral task
behavioral18
Sample
Cool MP3 Splitter & Joiner/mp3play.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral19
Sample
Cool MP3 Splitter & Joiner/soft2cn.com汉化说明.exe
Resource
win7-20240705-en
Behavioral task
behavioral20
Sample
Cool MP3 Splitter & Joiner/soft2cn.com汉化说明.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral21
Sample
Cool MP3 Splitter & Joiner/split.dll
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
Cool MP3 Splitter & Joiner/split.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral23
Sample
Cool MP3 Splitter & Joiner/splitter.exe
Resource
win7-20240705-en
Behavioral task
behavioral24
Sample
Cool MP3 Splitter & Joiner/splitter.exe
Resource
win10v2004-20240802-en
Behavioral task
behavioral25
Sample
Cool MP3 Splitter & Joiner/write.dll
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
Cool MP3 Splitter & Joiner/write.dll
Resource
win10v2004-20240802-en
Behavioral task
behavioral27
Sample
Cool MP3 Splitter & Joiner/新云软件.url
Resource
win7-20240708-en
Behavioral task
behavioral28
Sample
Cool MP3 Splitter & Joiner/新云软件.url
Resource
win10v2004-20240802-en
General
-
Target
Cool MP3 Splitter & Joiner/bassmod.dll
-
Size
33KB
-
MD5
e4ec57e8508c5c4040383ebe6d367928
-
SHA1
b22bcce36d9fdeae8ab7a7ecc0b01c8176648d06
-
SHA256
8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
-
SHA512
77d5cf66caf06e192e668fae2b2594e60a498e8e0ccef5b09b9710721a4cdb0c852d00c446fd32c5b5c85e739de2e73cb1f1f6044879fe7d237341bbb6f27822
-
SSDEEP
768:qQmS5iUgi5czW+DlrQOS1DeDdjgNtbX4O6DHix84H0:qQz5Tgof+DdpS1+djctLSHiZ0
Malware Config
Signatures
-
System Location Discovery: System Language Discovery 1 TTPs 1 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 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3728 wrote to memory of 1580 3728 rundll32.exe 84 PID 3728 wrote to memory of 1580 3728 rundll32.exe 84 PID 3728 wrote to memory of 1580 3728 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\bassmod.dll",#11⤵
- Suspicious use of WriteProcessMemory
PID:3728 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Temp\Cool MP3 Splitter & Joiner\bassmod.dll",#12⤵
- System Location Discovery: System Language Discovery
PID:1580
-