Overview
overview
7Static
static
7bf64c967af...d9b.7z
windows7-x64
3bf64c967af...d9b.7z
windows10-2004-x64
7mplayer/av...52.dll
windows7-x64
3mplayer/av...52.dll
windows10-2004-x64
3mplayer/avcore-0.dll
windows7-x64
1mplayer/avcore-0.dll
windows10-2004-x64
1mplayer/av...52.dll
windows7-x64
3mplayer/av...52.dll
windows10-2004-x64
3mplayer/avutil-50.dll
windows7-x64
1mplayer/avutil-50.dll
windows10-2004-x64
1mplayer/co...er.dll
windows7-x64
1mplayer/co...er.dll
windows10-2004-x64
1mplayer/co...er.dll
windows7-x64
1mplayer/co...er.dll
windows10-2004-x64
1mplayer/co...rc.dll
windows7-x64
3mplayer/co...rc.dll
windows10-2004-x64
3mplayer/co...ok.dll
windows7-x64
3mplayer/co...ok.dll
windows10-2004-x64
mplayer/co...vc.dll
windows7-x64
3mplayer/co...vc.dll
windows10-2004-x64
3mplayer/co...71.dll
windows7-x64
3mplayer/co...71.dll
windows10-2004-x64
3mplayer/co...er.htm
windows7-x64
1mplayer/co...er.htm
windows10-2004-x64
1mplayer/co...er.dll
windows7-x64
1mplayer/co...er.dll
windows10-2004-x64
1mplayer/co...rt.dll
windows7-x64
3mplayer/co...rt.dll
windows10-2004-x64
3mplayer/co...ac.dll
windows7-x64
3mplayer/co...ac.dll
windows10-2004-x64
3mplayer/co...pr.dll
windows7-x64
1mplayer/co...pr.dll
windows10-2004-x64
3Analysis
-
max time kernel
159s -
max time network
175s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
11/03/2024, 00:42
Behavioral task
behavioral1
Sample
bf64c967afff4448d91021f5f215bd9b.7z
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
bf64c967afff4448d91021f5f215bd9b.7z
Resource
win10v2004-20240226-en
Behavioral task
behavioral3
Sample
mplayer/avcodec-52.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
mplayer/avcodec-52.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral5
Sample
mplayer/avcore-0.dll
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
mplayer/avcore-0.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
mplayer/avformat-52.dll
Resource
win7-20240221-en
Behavioral task
behavioral8
Sample
mplayer/avformat-52.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral9
Sample
mplayer/avutil-50.dll
Resource
win7-20231129-en
Behavioral task
behavioral10
Sample
mplayer/avutil-50.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral11
Sample
mplayer/codecs/MatroskaSplitter.dll
Resource
win7-20240220-en
Behavioral task
behavioral12
Sample
mplayer/codecs/MatroskaSplitter.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral13
Sample
mplayer/codecs/RealMediaSplitter.dll
Resource
win7-20240221-en
Behavioral task
behavioral14
Sample
mplayer/codecs/RealMediaSplitter.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral15
Sample
mplayer/codecs/atrc.dll
Resource
win7-20240221-en
Behavioral task
behavioral16
Sample
mplayer/codecs/atrc.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral17
Sample
mplayer/codecs/cook.dll
Resource
win7-20240215-en
Behavioral task
behavioral18
Sample
mplayer/codecs/cook.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral19
Sample
mplayer/codecs/drvc.dll
Resource
win7-20240221-en
Behavioral task
behavioral20
Sample
mplayer/codecs/drvc.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral21
Sample
mplayer/codecs/msvcr71.dll
Resource
win7-20240221-en
Behavioral task
behavioral22
Sample
mplayer/codecs/msvcr71.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral23
Sample
mplayer/codecs/plugins/Enhancer/enhancer.htm
Resource
win7-20240221-en
Behavioral task
behavioral24
Sample
mplayer/codecs/plugins/Enhancer/enhancer.htm
Resource
win10v2004-20240226-en
Behavioral task
behavioral25
Sample
mplayer/codecs/plugins/dsp_enhancer.dll
Resource
win7-20240221-en
Behavioral task
behavioral26
Sample
mplayer/codecs/plugins/dsp_enhancer.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral27
Sample
mplayer/codecs/pncrt.dll
Resource
win7-20240220-en
Behavioral task
behavioral28
Sample
mplayer/codecs/pncrt.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral29
Sample
mplayer/codecs/raac.dll
Resource
win7-20240221-en
Behavioral task
behavioral30
Sample
mplayer/codecs/raac.dll
Resource
win10v2004-20240226-en
Behavioral task
behavioral31
Sample
mplayer/codecs/sipr.dll
Resource
win7-20240221-en
Behavioral task
behavioral32
Sample
mplayer/codecs/sipr.dll
Resource
win10v2004-20240226-en
General
-
Target
mplayer/codecs/msvcr71.dll
-
Size
340KB
-
MD5
ca2f560921b7b8be1cf555a5a18d54c3
-
SHA1
432dbcf54b6f1142058b413a9d52668a2bde011d
-
SHA256
c4d4339df314a27ff75a38967b7569d9962337b8d4cd4b0db3aba5ff72b2bfbb
-
SHA512
23e0bdd9458a5a8e0f9bbcb7f6ce4f87fcc9e47c1ee15f964c17ff9fe8d0f82dd3a0f90263daaf1ee87fad4a238aa0ee92a16b3e2c67f47c84d575768edba43e
-
SSDEEP
6144:cPlV59g81QWguohIP/siMbo8Crn2zzwRFMciFMNrb3YgxS3bCAO5kkG:OlVvN1QWguohInJDrn8zwNF7eCr
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3692 4380 WerFault.exe 96 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 3512 wrote to memory of 4380 3512 rundll32.exe 96 PID 3512 wrote to memory of 4380 3512 rundll32.exe 96 PID 3512 wrote to memory of 4380 3512 rundll32.exe 96
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mplayer\codecs\msvcr71.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3512 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\mplayer\codecs\msvcr71.dll,#12⤵PID:4380
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 6003⤵
- Program crash
PID:3692
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4380 -ip 43801⤵PID:4468
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3896 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:1900