Overview
overview
10Static
static
10CommandLine.dll
windows7-x64
1CommandLine.dll
windows10-2004-x64
1DahuaHCNetSDK.dll
windows7-x64
5DahuaHCNetSDK.dll
windows10-2004-x64
5HCCore.dll
windows7-x64
3HCCore.dll
windows10-2004-x64
3HCNetSDK.dll
windows7-x64
3HCNetSDK.dll
windows10-2004-x64
3HCNetSDKCo...om.dll
windows7-x64
1HCNetSDKCo...om.dll
windows10-2004-x64
1HCNetSDKCom/DsSdk.dll
windows7-x64
1HCNetSDKCom/DsSdk.dll
windows10-2004-x64
1HCNetSDKCo...rm.dll
windows7-x64
1HCNetSDKCo...rm.dll
windows10-2004-x64
1HCNetSDKCo...fg.dll
windows7-x64
1HCNetSDKCo...fg.dll
windows10-2004-x64
1HCNetSDKCo...ay.dll
windows7-x64
1HCNetSDKCo...ay.dll
windows10-2004-x64
1HCNetSDKCo...gr.dll
windows7-x64
1HCNetSDKCo...gr.dll
windows10-2004-x64
1HCNetSDKCo...ry.dll
windows7-x64
1HCNetSDKCo...ry.dll
windows10-2004-x64
1HCNetSDKCo...ck.dll
windows7-x64
1HCNetSDKCo...ck.dll
windows10-2004-x64
1HCNetSDKCo...ew.dll
windows7-x64
1HCNetSDKCo...ew.dll
windows10-2004-x64
1HCNetSDKCo...lk.dll
windows7-x64
1HCNetSDKCo...lk.dll
windows10-2004-x64
1HCNetSDKCo...32.dll
windows7-x64
1HCNetSDKCo...32.dll
windows10-2004-x64
1HCNetSDKCo...nt.dll
windows7-x64
1HCNetSDKCo...nt.dll
windows10-2004-x64
1Analysis
-
max time kernel
156s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
14-10-2023 17:06
Behavioral task
behavioral1
Sample
CommandLine.dll
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
CommandLine.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral3
Sample
DahuaHCNetSDK.dll
Resource
win7-20230831-en
Behavioral task
behavioral4
Sample
DahuaHCNetSDK.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral5
Sample
HCCore.dll
Resource
win7-20230831-en
Behavioral task
behavioral6
Sample
HCCore.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral7
Sample
HCNetSDK.dll
Resource
win7-20230831-en
Behavioral task
behavioral8
Sample
HCNetSDK.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral9
Sample
HCNetSDKCom/AudioIntercom.dll
Resource
win7-20230831-en
Behavioral task
behavioral10
Sample
HCNetSDKCom/AudioIntercom.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral11
Sample
HCNetSDKCom/DsSdk.dll
Resource
win7-20230831-en
Behavioral task
behavioral12
Sample
HCNetSDKCom/DsSdk.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral13
Sample
HCNetSDKCom/HCAlarm.dll
Resource
win7-20230831-en
Behavioral task
behavioral14
Sample
HCNetSDKCom/HCAlarm.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral15
Sample
HCNetSDKCom/HCCoreDevCfg.dll
Resource
win7-20230831-en
Behavioral task
behavioral16
Sample
HCNetSDKCom/HCCoreDevCfg.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral17
Sample
HCNetSDKCom/HCDisplay.dll
Resource
win7-20230831-en
Behavioral task
behavioral18
Sample
HCNetSDKCom/HCDisplay.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral19
Sample
HCNetSDKCom/HCGeneralCfgMgr.dll
Resource
win7-20230831-en
Behavioral task
behavioral20
Sample
HCNetSDKCom/HCGeneralCfgMgr.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral21
Sample
HCNetSDKCom/HCIndustry.dll
Resource
win7-20230831-en
Behavioral task
behavioral22
Sample
HCNetSDKCom/HCIndustry.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral23
Sample
HCNetSDKCom/HCPlayBack.dll
Resource
win7-20230831-en
Behavioral task
behavioral24
Sample
HCNetSDKCom/HCPlayBack.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral25
Sample
HCNetSDKCom/HCPreview.dll
Resource
win7-20230831-en
Behavioral task
behavioral26
Sample
HCNetSDKCom/HCPreview.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral27
Sample
HCNetSDKCom/HCVoiceTalk.dll
Resource
win7-20230831-en
Behavioral task
behavioral28
Sample
HCNetSDKCom/HCVoiceTalk.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral29
Sample
HCNetSDKCom/OpenAL32.dll
Resource
win7-20230831-en
Behavioral task
behavioral30
Sample
HCNetSDKCom/OpenAL32.dll
Resource
win10v2004-20230915-en
Behavioral task
behavioral31
Sample
HCNetSDKCom/StreamTransClient.dll
Resource
win7-20230831-en
Behavioral task
behavioral32
Sample
HCNetSDKCom/StreamTransClient.dll
Resource
win10v2004-20230915-en
General
-
Target
HCNetSDKCom/AudioIntercom.dll
-
Size
439KB
-
MD5
50f700d0306cceaf132e6b176bc081b3
-
SHA1
9341d144f0ae801775acbf1ed7a09c378d1f9b14
-
SHA256
5f7623fdc0c9592a5f4fd39ae639bfef27edd18141541a3bff0aa6d67763e5cb
-
SHA512
21f371b47bbac6c0394c182ded41562c14e42a9699798689e53249c304e62333776c92bd5e0f90f911fa9ba1aa50c4a524cf2ad13a4e256e5d1836ea06470f05
-
SSDEEP
6144:B75TYr6sBgAwl03uMYCh9J5YuX6p7gAwVA/rszRXF0FiGAn42utSgsVrG:5mgC3ZYCh9J5Y487g3AjoRXMH
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1372 wrote to memory of 4764 1372 rundll32.exe rundll32.exe PID 1372 wrote to memory of 4764 1372 rundll32.exe rundll32.exe PID 1372 wrote to memory of 4764 1372 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\HCNetSDKCom\AudioIntercom.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1372 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\HCNetSDKCom\AudioIntercom.dll,#12⤵PID:4764