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
151s -
max time network
162s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-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/ct-libisomedia.dll
-
Size
280KB
-
MD5
39e38e5c566ba9537082f85ae00b1f36
-
SHA1
19be289ee455ff61625e258ebe0fa56987b5d15b
-
SHA256
2eda1fadce9bfec9b09c38d8a7b7c4a04b9aff243f55771e41f59f127e4cba7b
-
SHA512
26560ae55b41ac53d16bdecc17d01d931fae3a5e5981d5ec2b972c2a17ec2d1dd599c59394bdfb202d92b4e125b07de73fd48e28fa678378c3915421e324725b
-
SSDEEP
3072:Lh6/zTw9YFu/crXc8XvYtEyYU8urIg1fD//dJYaBABxprZ4jxocyPd3Zb:LMwMcKvYOyx8usg1f7XtSbp14jsd3
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 2708 1932 WerFault.exe 15 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1640 wrote to memory of 1932 1640 rundll32.exe 15 PID 1640 wrote to memory of 1932 1640 rundll32.exe 15 PID 1640 wrote to memory of 1932 1640 rundll32.exe 15
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\ct-libisomedia.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1640 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\MediaCoder\codecs\ct-libisomedia.dll,#12⤵PID:1932
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1932 -s 6003⤵
- Program crash
PID:2708
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1932 -ip 19321⤵PID:5072