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
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-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
DahuaHCNetSDK.dll
-
Size
6.2MB
-
MD5
62dc08e26b647a5513a7adc6251a5843
-
SHA1
ba4a57d013e7fa142005358db671abfe3674107f
-
SHA256
a1d7bc961677b86bafea2ff6942a378aa01e4f481f273e866e9b8bb525a9e3db
-
SHA512
4a32cf821adc278c11662fdcc57129fb4413cad3c576bd2f5026342305b3cbf411b9c7146020458818ad8934e0c1c397bde56a0b49bddc608c35c2fa181a134d
-
SSDEEP
98304:4ed4iAun58wLHLMtNQPQf0x0bpEKowhjILgWooqikbUGlSX2kwu/lKm7:nKiAu3tooIUGlSX2kwu/x7
Malware Config
Signatures
-
Drops file in System32 directory 1 IoCs
Processes:
rundll32.exedescription ioc process File opened for modification C:\Windows\SysWOW64\sdk_log\sdk_log.log rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid process target process PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe PID 2200 wrote to memory of 2488 2200 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\DahuaHCNetSDK.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2200 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\DahuaHCNetSDK.dll,#12⤵
- Drops file in System32 directory
PID:2488