Overview
overview
6Static
static
happytime-...er.exe
windows10-2004-x64
1happytime-...ig.xml
windows10-2004-x64
1happytime-...er.exe
windows10-2004-x64
3happytime-...58.dll
windows10-2004-x64
3happytime-...58.dll
windows10-2004-x64
1happytime-...56.dll
windows10-2004-x64
3happytime-...ig.xml
windows10-2004-x64
1happytime-..._1.dll
windows10-2004-x64
3happytime-..._1.dll
windows10-2004-x64
1happytime-...40.dll
windows10-2004-x64
3happytime-...me.txt
windows10-2004-x64
1happytime-...rt.dll
windows10-2004-x64
3happytime-...ssl.ca
windows10-2004-x64
3happytime-...sl.key
windows10-2004-x64
3happytime-...-3.dll
windows10-2004-x64
1happytime-...-5.dll
windows10-2004-x64
3happytime-...st.mp4
windows10-2004-x64
6happytime-...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.txt
windows10-2004-x64
1happytime-...me.bat
windows10-2004-x64
1happytime-...ot.jpg
windows10-2004-x64
3happytime-...ssl.ca
windows10-2004-x64
3happytime-...sl.key
windows10-2004-x64
3happytime-...al.pdf
windows10-2004-x64
1happytime-...40.dll
windows10-2004-x64
3happytime-...pi.dll
windows10-2004-x64
3Analysis
-
max time kernel
59s -
max time network
127s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
26-01-2023 03:06
Static task
static1
Behavioral task
behavioral1
Sample
happytime-onvif-server/OnvifServer.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral2
Sample
happytime-onvif-server/config.xml
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
happytime-onvif-server/happytime-rtsp-server/RtspServer.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral4
Sample
happytime-onvif-server/happytime-rtsp-server/avcodec-58.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
happytime-onvif-server/happytime-rtsp-server/avformat-58.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral6
Sample
happytime-onvif-server/happytime-rtsp-server/avutil-56.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
happytime-onvif-server/happytime-rtsp-server/config.xml
Resource
win10v2004-20221111-en
Behavioral task
behavioral8
Sample
happytime-onvif-server/happytime-rtsp-server/libcrypto-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
happytime-onvif-server/happytime-rtsp-server/libssl-1_1.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral10
Sample
happytime-onvif-server/happytime-rtsp-server/msvcp140.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral11
Sample
happytime-onvif-server/happytime-rtsp-server/readme.txt
Resource
win10v2004-20220812-en
Behavioral task
behavioral12
Sample
happytime-onvif-server/happytime-rtsp-server/srt.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
happytime-onvif-server/happytime-rtsp-server/ssl.ca
Resource
win10v2004-20220901-en
Behavioral task
behavioral14
Sample
happytime-onvif-server/happytime-rtsp-server/ssl.key
Resource
win10v2004-20220812-en
Behavioral task
behavioral15
Sample
happytime-onvif-server/happytime-rtsp-server/swresample-3.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral16
Sample
happytime-onvif-server/happytime-rtsp-server/swscale-5.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
happytime-onvif-server/happytime-rtsp-server/test.mp4
Resource
win10v2004-20221111-en
Behavioral task
behavioral18
Sample
happytime-onvif-server/happytime-rtsp-server/user manual.pdf
Resource
win10v2004-20220812-en
Behavioral task
behavioral19
Sample
happytime-onvif-server/happytime-rtsp-server/vcruntime140.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral20
Sample
happytime-onvif-server/happytime-rtsp-server/zlibwapi.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral21
Sample
happytime-onvif-server/html/main.html
Resource
win10v2004-20221111-en
Behavioral task
behavioral22
Sample
happytime-onvif-server/libcrypto-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral23
Sample
happytime-onvif-server/libssl-1_1.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral24
Sample
happytime-onvif-server/readme.txt
Resource
win10v2004-20220901-en
Behavioral task
behavioral25
Sample
happytime-onvif-server/runme.bat
Resource
win10v2004-20220812-en
Behavioral task
behavioral26
Sample
happytime-onvif-server/snapshot.jpg
Resource
win10v2004-20220901-en
Behavioral task
behavioral27
Sample
happytime-onvif-server/ssl.ca
Resource
win10v2004-20220812-en
Behavioral task
behavioral28
Sample
happytime-onvif-server/ssl.key
Resource
win10v2004-20220812-en
Behavioral task
behavioral29
Sample
happytime-onvif-server/user manual.pdf
Resource
win10v2004-20221111-en
Behavioral task
behavioral30
Sample
happytime-onvif-server/vcruntime140.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
happytime-onvif-server/zlibwapi.dll
Resource
win10v2004-20221111-en
General
-
Target
happytime-onvif-server/happytime-rtsp-server/avformat-58.dll
-
Size
5.6MB
-
MD5
cf1e91abb1caef4f0cb4a3f9c70b826c
-
SHA1
d8da6c591b6d442b6c6341d3ecaa9a801f6b2634
-
SHA256
fdfea194627b143ec81821bb7ebd461350cb1855f72c0eee8c735c19b478af7f
-
SHA512
7574022ec574e5de1062e80423128e7bc1698b16a0c5b91255a9f7582cb46cca3b08ae416c6d41c4b0d53c7c0847ff8355be176c6fb05521167d90001fef55f9
-
SSDEEP
98304:ByFLLyoBzl9R5Vr3jEx06Jz2kBtDR4BsZ/rSukHuCn73jTyReZZFloHEnKEECn94:ByFnyoRl9R5lAx06JDBtF4BsZ/rSukHg
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid process target process PID 4288 wrote to memory of 804 4288 rundll32.exe rundll32.exe PID 4288 wrote to memory of 804 4288 rundll32.exe rundll32.exe PID 4288 wrote to memory of 804 4288 rundll32.exe rundll32.exe
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\happytime-rtsp-server\avformat-58.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4288 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\happytime-onvif-server\happytime-rtsp-server\avformat-58.dll,#12⤵PID:804