Overview
overview
7Static
static
7MediaCoder/GPL.html
windows7-x64
1MediaCoder/GPL.html
windows10-2004-x64
1MediaCoder...er.url
windows7-x64
6MediaCoder...er.url
windows10-2004-x64
3MediaCoder...er.dll
windows7-x64
3MediaCoder...er.dll
windows10-2004-x64
3MediaCoder...ll.dll
windows7-x64
1MediaCoder...ll.dll
windows10-2004-x64
3MediaCoder...UI.exe
windows7-x64
7MediaCoder...UI.exe
windows10-2004-x64
7MediaCoder...nc.dll
windows7-x64
3MediaCoder...nc.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
1MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
3MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...ia.dll
windows7-x64
3MediaCoder...ia.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
1MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
3MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
3MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...60.dll
windows7-x64
3MediaCoder...60.dll
windows10-2004-x64
3MediaCoder...ac.exe
windows7-x64
1MediaCoder...ac.exe
windows10-2004-x64
1MediaCoder...eg.exe
windows7-x64
7MediaCoder...eg.exe
windows10-2004-x64
7MediaCoder...ac.exe
windows7-x64
1MediaCoder...ac.exe
windows10-2004-x64
1Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
30-12-2023 01:51
Behavioral task
behavioral1
Sample
MediaCoder/GPL.html
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
MediaCoder/GPL.html
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
MediaCoder/MediaCoder.url
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
MediaCoder/MediaCoder.url
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
MediaCoder/codecs/DiracEncoder.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
MediaCoder/codecs/DiracEncoder.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
MediaCoder/codecs/MACDll.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
MediaCoder/codecs/MACDll.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
MediaCoder/codecs/MPUI.exe
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
MediaCoder/codecs/MPUI.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
MediaCoder/codecs/aacPlusEnc.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
MediaCoder/codecs/aacPlusEnc.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
MediaCoder/codecs/atrc3260.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
MediaCoder/codecs/atrc3260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
MediaCoder/codecs/cook3260.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
MediaCoder/codecs/cook3260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
MediaCoder/codecs/ct-libisomedia.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
MediaCoder/codecs/ct-libisomedia.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral19
Sample
MediaCoder/codecs/drv13260.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
MediaCoder/codecs/drv13260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral21
Sample
MediaCoder/codecs/drv23260.dll
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
MediaCoder/codecs/drv23260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral23
Sample
MediaCoder/codecs/drv33260.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
MediaCoder/codecs/drv33260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral25
Sample
MediaCoder/codecs/drv43260.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
MediaCoder/codecs/drv43260.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
MediaCoder/codecs/faac.exe
Resource
win7-20231129-en
Behavioral task
behavioral28
Sample
MediaCoder/codecs/faac.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral29
Sample
MediaCoder/codecs/ffmpeg.exe
Resource
win7-20231215-en
Behavioral task
behavioral30
Sample
MediaCoder/codecs/ffmpeg.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral31
Sample
MediaCoder/codecs/flac.exe
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
MediaCoder/codecs/flac.exe
Resource
win10v2004-20231222-en
General
-
Target
MediaCoder/codecs/atrc3260.dll
-
Size
72KB
-
MD5
72d780ef3578ce8431cff86bcc9496f6
-
SHA1
1b99ac1b62899a4f5830d9bbd786b317aaf6289e
-
SHA256
8c360d8c39006b6a011dbf3a0313e818eeb53990556659c5a1b7e478048e7fbb
-
SHA512
a17bb64a508f4952aa1ecdd27850ba2460b3c1b8dedf0e11aa3707be025512930b8ef5778e88387230c35ad4840442944b7f9eef43e6065ae3b549959b4c7377
-
SSDEEP
768:t0H24Njupst+NRxt7c2fJcfCd6jP+NAO0IpBQbYwdq2bdIYTZaon+sQYYemE:qH/u5xt7vq1jGNFvHwp98XsQheB
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16 PID 2140 wrote to memory of 2008 2140 rundll32.exe 16
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\atrc3260.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2140 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\atrc3260.dll,#12⤵PID:2008
-