Overview
overview
10Static
static
3File.exe
windows7-x64
10File.exe
windows10-2004-x64
10updates/Ca...ng.dll
windows10-2004-x64
3updates/Ca...re.dll
windows10-2004-x64
3updates/Ca...nt.dll
windows10-2004-x64
3updates/Ca...gr.dll
windows10-2004-x64
3updates/Ca...lr.dll
windows7-x64
3updates/Ca...lr.dll
windows10-2004-x64
3updates/Ca...nk.dll
windows10-2004-x64
3updates/Wi...pn.dll
windows10-2004-x64
3updates/WsmSvc.dll
windows10-2004-x64
3updates/dl...rf.dll
windows7-x64
3updates/dl...rf.dll
windows10-2004-x64
3updates/dl...ib.dll
windows7-x64
3updates/dl...ib.dll
windows10-2004-x64
3updates/dl...00.dll
windows7-x64
3updates/dl...00.dll
windows10-2004-x64
3updates/dl...00.dll
windows7-x64
3updates/dl...00.dll
windows10-2004-x64
3updates/dl...rs.dll
windows10-2004-x64
1updates/dl...rs.dll
windows7-x64
3updates/dl...rs.dll
windows10-2004-x64
3updates/dl...up.dll
windows10-2004-x64
1updates/dl...In.dll
windows7-x64
1updates/dl...In.dll
windows10-2004-x64
1updates/dl...ch.dll
windows7-x64
1updates/dl...ch.dll
windows10-2004-x64
1updates/dl...ns.dll
windows7-x64
3updates/dl...ns.dll
windows10-2004-x64
3updates/dl...gn.dll
windows7-x64
1updates/dl...gn.dll
windows10-2004-x64
1updates/dl...ls.dll
windows7-x64
3Analysis
-
max time kernel
146s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22/11/2024, 18:50
Static task
static1
Behavioral task
behavioral1
Sample
File.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
File.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
updates/Cache_Data/AudioEng.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral4
Sample
updates/Cache_Data/CbsCore.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
updates/Cache_Data/Microsoft.Uev.AppAgent.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral6
Sample
updates/Cache_Data/certmgr.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
updates/Cache_Data/clr.dll
Resource
win7-20240903-en
Behavioral task
behavioral8
Sample
updates/Cache_Data/clr.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
updates/Cache_Data/mfmp4srcsnk.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral10
Sample
updates/Windows.Networking.Vpn.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
updates/WsmSvc.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral12
Sample
updates/dll/Aspnet_perf.dll
Resource
win7-20240903-en
Behavioral task
behavioral13
Sample
updates/dll/Aspnet_perf.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral14
Sample
updates/dll/InstallUtilLib.dll
Resource
win7-20240729-en
Behavioral task
behavioral15
Sample
updates/dll/InstallUtilLib.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral16
Sample
updates/dll/PenIMC_v0400.dll
Resource
win7-20240903-en
Behavioral task
behavioral17
Sample
updates/dll/PenIMC_v0400.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral18
Sample
updates/dll/PresentationNative_v0400.dll
Resource
win7-20241010-en
Behavioral task
behavioral19
Sample
updates/dll/PresentationNative_v0400.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral20
Sample
updates/dll/PrimitiveTransformers.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
updates/dll/ServiceModelPerformanceCounters.dll
Resource
win7-20241010-en
Behavioral task
behavioral22
Sample
updates/dll/ServiceModelPerformanceCounters.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
updates/dll/SettingsHandlers_OneDriveBackup.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral24
Sample
updates/dll/System.AddIn.dll
Resource
win7-20240903-en
Behavioral task
behavioral25
Sample
updates/dll/System.AddIn.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral26
Sample
updates/dll/System.Speech.dll
Resource
win7-20240708-en
Behavioral task
behavioral27
Sample
updates/dll/System.Speech.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral28
Sample
updates/dll/System.Transactions.dll
Resource
win7-20240903-en
Behavioral task
behavioral29
Sample
updates/dll/System.Transactions.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral30
Sample
updates/dll/System.Web.DynamicData.Design.dll
Resource
win7-20240903-en
Behavioral task
behavioral31
Sample
updates/dll/System.Web.DynamicData.Design.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral32
Sample
updates/dll/WMINet_Utils.dll
Resource
win7-20240903-en
General
-
Target
updates/Cache_Data/AudioEng.dll
-
Size
1.8MB
-
MD5
074adb230e03ccdd7592aa91fd6827e6
-
SHA1
3a95aa2151b0c23e6733fbd538c927a54fcded4a
-
SHA256
e75a456c18d93a9bff731139e5dff0b7a92f2e1f5b7228274385c65a527a1f42
-
SHA512
2fb38a45bce2bd4cf2b010522e3f7173f2381481ca194edf05d6aec292dcb39b80a9564a0d197bb4949e9580f178582f9c3b1dc37d3fcce05d496f1da615644f
-
SSDEEP
49152:TAEM+CEh0/Rlhh9hhDhMLhhQhhIeCBR2U+8TB9DFRKPcMJmYoHFOjzdYes/QFlP3:7MX5hh9hhDhMLhhQhhC2sTB9DFRKPcMB
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 regsvr32.exe -
Modifies registry class 25 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{541987EE-0E02-411E-9A85-1FC6156E7F4B} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{07252659-BB6B-4B79-B78B-623F6699A579} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{FED4ACC3-87C9-45E9-A026-5B59A855E687} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B7A26CA6-1005-4A87-9831-Ed4A0F730807}\ = "AudioEng" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\AudioEng.DLL regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{12DD4DBB-532B-4FCE-8653-74CDB9C8FE5A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{C58BD103-E87F-4B78-A0FA-7A5C95970EE2} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{06587E71-F043-403A-BF49-CB591BA6E103} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{0F92FF8D-2F19-4B9A-B9DD-3EFC2B3BECEC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{0FA53099-5317-46AF-9376-9A04A4B550F9} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{5BBC2C71-DEC2-4BA3-961A-36F37D1CC8A5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\AudioEng.DLL\AppID = "{B7A26CA6-1005-4A87-9831-Ed4A0F730807}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{3DC09436-7D83-4BA0-ADDC-CD47F996C5BA} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{D69E0717-DD4B-4B25-997A-DA813833B8AC} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{73FB9979-623F-41A6-BF1C-BA817C519C4F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{F82EFF51-99FA-4393-A31D-6D5D9F3972C3} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AppID\{B7A26CA6-1005-4A87-9831-Ed4A0F730807} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{27C98999-2895-4829-B080-5A8B65BD3DB0} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{E916B6B2-22BD-4AFC-B337-D3D9FB27670E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{693BADEA-1EB1-4013-B799-285F624A55BD} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{3FD7F233-A716-472E-8F2F-C25954F34E96} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{7ECEAD6D-6452-4DED-B567-7BB9947D7669} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\AudioEngine\AudioProcessingObjects\{7BF2A436-2A30-4797-90EE-0F66B8426D75} regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4776 wrote to memory of 4232 4776 regsvr32.exe 81 PID 4776 wrote to memory of 4232 4776 regsvr32.exe 81 PID 4776 wrote to memory of 4232 4776 regsvr32.exe 81
Processes
-
C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\updates\Cache_Data\AudioEng.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4776 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\updates\Cache_Data\AudioEng.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:4232
-