Overview
overview
3Static
static
happytime-...er.exe
windows10-2004-x64
1happytime-...er.exe
windows10-2004-x64
1happytime-...58.dll
windows10-2004-x64
3happytime-...58.dll
windows10-2004-x64
1happytime-...56.dll
windows10-2004-x64
3happytime-..._1.dll
windows10-2004-x64
3happytime-..._1.dll
windows10-2004-x64
1happytime-...40.dll
windows10-2004-x64
3happytime-...rt.dll
windows10-2004-x64
3happytime-...-3.dll
windows10-2004-x64
1happytime-...-5.dll
windows10-2004-x64
3happytime-...al.pdf
windows10-2004-x64
1happytime-...40.dll
windows10-2004-x64
3happytime-...pi.dll
windows10-2004-x64
3happytime-...n.html
windows10-2004-x64
1happytime-..._1.dll
windows10-2004-x64
3happytime-..._1.dll
windows10-2004-x64
1happytime-...me.bat
windows10-2004-x64
1happytime-...al.pdf
windows10-2004-x64
1happytime-...40.dll
windows10-2004-x64
3happytime-...pi.dll
windows10-2004-x64
3Analysis
-
max time kernel
91s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
26-01-2023 02:53
Static task
static1
Behavioral task
behavioral1
Sample
happytime-onvif-server/OnvifServer.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral2
Sample
happytime-onvif-server/happytime-rtsp-server/RtspServer.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral3
Sample
happytime-onvif-server/happytime-rtsp-server/avcodec-58.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral4
Sample
happytime-onvif-server/happytime-rtsp-server/avformat-58.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
happytime-onvif-server/happytime-rtsp-server/avutil-56.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral6
Sample
happytime-onvif-server/happytime-rtsp-server/libcrypto-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
happytime-onvif-server/happytime-rtsp-server/libssl-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral8
Sample
happytime-onvif-server/happytime-rtsp-server/msvcp140.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral9
Sample
happytime-onvif-server/happytime-rtsp-server/srt.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral10
Sample
happytime-onvif-server/happytime-rtsp-server/swresample-3.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
happytime-onvif-server/happytime-rtsp-server/swscale-5.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral12
Sample
happytime-onvif-server/happytime-rtsp-server/user manual.pdf
Resource
win10v2004-20221111-en
Behavioral task
behavioral13
Sample
happytime-onvif-server/happytime-rtsp-server/vcruntime140.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral14
Sample
happytime-onvif-server/happytime-rtsp-server/zlibwapi.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral15
Sample
happytime-onvif-server/html/main.html
Resource
win10v2004-20220901-en
Behavioral task
behavioral16
Sample
happytime-onvif-server/libcrypto-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
happytime-onvif-server/libssl-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral18
Sample
happytime-onvif-server/runme.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
happytime-onvif-server/user manual.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral20
Sample
happytime-onvif-server/vcruntime140.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral21
Sample
happytime-onvif-server/zlibwapi.dll
Resource
win10v2004-20220812-en
General
-
Target
happytime-onvif-server/vcruntime140.dll
-
Size
78KB
-
MD5
a37ee36b536409056a86f50e67777dd7
-
SHA1
1cafa159292aa736fc595fc04e16325b27cd6750
-
SHA256
8934aaeb65b6e6d253dfe72dea5d65856bd871e989d5d3a2a35edfe867bb4825
-
SHA512
3a7c260646315cf8c01f44b2ec60974017496bd0d80dd055c7e43b707cadba2d63aab5e0efd435670aa77886ed86368390d42c4017fc433c3c4b9d1c47d0f356
-
SSDEEP
1536:lw2886xv555et/MCsjw0BuRK3jteo3ecbA2W86b+Ld:lw28V55At/zqw+Iq9ecbA2W8H
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2788 380 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 1836 wrote to memory of 380 1836 rundll32.exe rundll32.exe PID 1836 wrote to memory of 380 1836 rundll32.exe rundll32.exe PID 1836 wrote to memory of 380 1836 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\vcruntime140.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1836 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\vcruntime140.dll,#12⤵PID:380
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 380 -s 6003⤵
- Program crash
PID:2788
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 380 -ip 3801⤵PID:4092