Overview
overview
10Static
static
DBUG.ps1
windows7-x64
1DBUG.ps1
windows10-2004-x64
1WinSupport...re.dll
windows7-x64
1WinSupport...re.dll
windows10-2004-x64
1WinSupport...32.dll
windows7-x64
1WinSupport...32.dll
windows10-2004-x64
3WinSupport...EK.dll
windows7-x64
1WinSupport...EK.dll
windows10-2004-x64
1WinSupport...32.dll
windows7-x64
1WinSupport...32.dll
windows10-2004-x64
1WinSupport...32.dll
windows7-x64
1WinSupport...32.dll
windows10-2004-x64
1WinSupport...32.exe
windows7-x64
10WinSupport...32.exe
windows10-2004-x64
10WinSupport...00.dll
windows7-x64
3WinSupport...00.dll
windows10-2004-x64
3WinSupport...pi.dll
windows7-x64
1WinSupport...pi.dll
windows10-2004-x64
1WinSupport...ub.exe
windows7-x64
1WinSupport...ub.exe
windows10-2004-x64
1LOCALES/MSAMRNBD.dll
windows7-x64
1LOCALES/MSAMRNBD.dll
windows10-2004-x64
1LOCALES/MSAMRNBE.dll
windows7-x64
1LOCALES/MSAMRNBE.dll
windows10-2004-x64
1LOCALES/MSAUDDEC.dll
windows7-x64
1LOCALES/MSAUDDEC.dll
windows10-2004-x64
1LOCALES/MSAUDITE.dll
windows7-x64
1LOCALES/MSAUDITE.dll
windows10-2004-x64
1LOCALES/PROTONVP.exe
windows7-x64
7LOCALES/PROTONVP.exe
windows10-2004-x64
7LOCALES/TWAIN_32.dll
windows7-x64
1LOCALES/TWAIN_32.dll
windows10-2004-x64
1Analysis
-
max time kernel
145s -
max time network
182s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
22-08-2022 09:21
Static task
static1
Behavioral task
behavioral1
Sample
DBUG.ps1
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
DBUG.ps1
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
WinSupportSn/AudioCapture.dll
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
WinSupportSn/AudioCapture.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
WinSupportSn/HTCTL32.dll
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
WinSupportSn/HTCTL32.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
WinSupportSn/PCICHEK.dll
Resource
win7-20220812-en
Behavioral task
behavioral8
Sample
WinSupportSn/PCICHEK.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral9
Sample
WinSupportSn/PCICL32.dll
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
WinSupportSn/PCICL32.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
WinSupportSn/TCCTL32.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
WinSupportSn/TCCTL32.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
WinSupportSn/client32.exe
Resource
win7-20220812-en
Behavioral task
behavioral14
Sample
WinSupportSn/client32.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
WinSupportSn/msvcr100.dll
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
WinSupportSn/msvcr100.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral17
Sample
WinSupportSn/pcicapi.dll
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
WinSupportSn/pcicapi.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
WinSupportSn/remcmdstub.exe
Resource
win7-20220812-en
Behavioral task
behavioral20
Sample
WinSupportSn/remcmdstub.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral21
Sample
LOCALES/MSAMRNBD.dll
Resource
win7-20220812-en
Behavioral task
behavioral22
Sample
LOCALES/MSAMRNBD.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral23
Sample
LOCALES/MSAMRNBE.dll
Resource
win7-20220812-en
Behavioral task
behavioral24
Sample
LOCALES/MSAMRNBE.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral25
Sample
LOCALES/MSAUDDEC.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
LOCALES/MSAUDDEC.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral27
Sample
LOCALES/MSAUDITE.dll
Resource
win7-20220812-en
Behavioral task
behavioral28
Sample
LOCALES/MSAUDITE.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
LOCALES/PROTONVP.exe
Resource
win7-20220812-en
Behavioral task
behavioral30
Sample
LOCALES/PROTONVP.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
LOCALES/TWAIN_32.dll
Resource
win7-20220812-en
Behavioral task
behavioral32
Sample
LOCALES/TWAIN_32.dll
Resource
win10v2004-20220812-en
General
-
Target
LOCALES/MSAUDDEC.dll
-
Size
449KB
-
MD5
76d6aa7eac676315dfc00e17311a3cc5
-
SHA1
3cd60b77e354a46b9c0e103218edcd2fdb2567ae
-
SHA256
d245da122919f6b13f16d14ceda814518802864819df21961a5e10771dcae5fa
-
SHA512
896584c1518fdd25730157b319d2edb90dce5af70cac25f7ccc156df8bbc65120e6e5cf7d9a1c967c9907b59a97c0a017f8d6f6ff5e129334d9270725d1ed362
Malware Config
Signatures
-
Modifies registry class 16 IoCs
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories\9ea73fb4-ef7a-4559-8d5d-719d8f0426c7\70707b39-b2ca-4015-abea-f8447d22d88b regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\70707b39-b2ca-4015-abea-f8447d22d88b regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories\9ea73fb4-ef7a-4559-8d5d-719d8f0426c7 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{70707B39-B2CA-4015-ABEA-F8447D22D88B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32D186A7-218F-4C75-8876-DD77273A8999} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA922ED-0AB7-40A7-9E69-495984866A23} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\32d186a7-218f-4c75-8876-dd77273a8999 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{32d186a7-218f-4c75-8876-dd77273a8999}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\MediaFoundation\Transforms\Categories\9ea73fb4-ef7a-4559-8d5d-719d8f0426c7\32d186a7-218f-4c75-8876-dd77273a8999 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{70707B39-B2CA-4015-ABEA-F8447D22D88B}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA922ED-0AB7-40A7-9E69-495984866A23}\ = "Microsoft AAC Audio ReMuxer MFT" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{BBA922ED-0AB7-40A7-9E69-495984866A23}\InprocServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
regsvr32.exedescription pid process target process PID 3088 wrote to memory of 1800 3088 regsvr32.exe regsvr32.exe PID 3088 wrote to memory of 1800 3088 regsvr32.exe regsvr32.exe PID 3088 wrote to memory of 1800 3088 regsvr32.exe regsvr32.exe