Overview
overview
8Static
static
3hc_client_...nt.dll
windows7-x64
3hc_client_...nt.dll
windows10-2004-x64
3hc_client_...on.dll
windows7-x64
3hc_client_...on.dll
windows10-2004-x64
3hc_client_...ib.dll
windows7-x64
3hc_client_...ib.dll
windows10-2004-x64
3hc_client_...er.exe
windows7-x64
8hc_client_...er.exe
windows10-2004-x64
3hc_client_...er.dll
windows7-x64
3hc_client_...er.dll
windows10-2004-x64
3hc_client_...od.dll
windows7-x64
1hc_client_...od.dll
windows10-2004-x64
1hc_client_...8_.dll
windows7-x64
3hc_client_...8_.dll
windows10-2004-x64
3hc_client_...9_.dll
windows7-x64
3hc_client_...9_.dll
windows10-2004-x64
3hc_client_...6_.dll
windows7-x64
3hc_client_...6_.dll
windows10-2004-x64
3hc_client_...nt.dll
windows7-x64
3hc_client_...nt.dll
windows10-2004-x64
3hc_client_...rl.dll
windows7-x64
3hc_client_...rl.dll
windows10-2004-x64
3hc_client_...nt.dll
windows7-x64
3hc_client_...nt.dll
windows10-2004-x64
3hc_client_...t.html
windows7-x64
3hc_client_...t.html
windows10-2004-x64
3Analysis
-
max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
09/10/2024, 09:47
Static task
static1
Behavioral task
behavioral1
Sample
hc_client_mod_v320/DLLS/BIN/Content.dll
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
hc_client_mod_v320/DLLS/BIN/Content.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
hc_client_mod_v320/EXE/Common.dll
Resource
win7-20240729-en
Behavioral task
behavioral4
Sample
hc_client_mod_v320/EXE/Common.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral5
Sample
hc_client_mod_v320/EXE/DALib.dll
Resource
win7-20240903-en
Behavioral task
behavioral6
Sample
hc_client_mod_v320/EXE/DALib.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral7
Sample
hc_client_mod_v320/EXE/Freelancer.exe
Resource
win7-20240708-en
Behavioral task
behavioral8
Sample
hc_client_mod_v320/EXE/Freelancer.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral9
Sample
hc_client_mod_v320/EXE/Server.dll
Resource
win7-20240903-en
Behavioral task
behavioral10
Sample
hc_client_mod_v320/EXE/Server.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral11
Sample
hc_client_mod_v320/EXE/base_mod.dll
Resource
win7-20240903-en
Behavioral task
behavioral12
Sample
hc_client_mod_v320/EXE/base_mod.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral13
Sample
hc_client_mod_v320/EXE/d3d8_.dll
Resource
win7-20240903-en
Behavioral task
behavioral14
Sample
hc_client_mod_v320/EXE/d3d8_.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral15
Sample
hc_client_mod_v320/EXE/d3d9_.dll
Resource
win7-20240903-en
Behavioral task
behavioral16
Sample
hc_client_mod_v320/EXE/d3d9_.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral17
Sample
hc_client_mod_v320/EXE/d3dx9_26_.dll
Resource
win7-20240903-en
Behavioral task
behavioral18
Sample
hc_client_mod_v320/EXE/d3dx9_26_.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral19
Sample
hc_client_mod_v320/EXE/hc_client.dll
Resource
win7-20240708-en
Behavioral task
behavioral20
Sample
hc_client_mod_v320/EXE/hc_client.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral21
Sample
hc_client_mod_v320/EXE/libcurl.dll
Resource
win7-20240708-en
Behavioral task
behavioral22
Sample
hc_client_mod_v320/EXE/libcurl.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral23
Sample
hc_client_mod_v320/EXE/remoteclient.dll
Resource
win7-20240903-en
Behavioral task
behavioral24
Sample
hc_client_mod_v320/EXE/remoteclient.dll
Resource
win10v2004-20241007-en
Behavioral task
behavioral25
Sample
hc_client_mod_v320/script.html
Resource
win7-20240903-en
Behavioral task
behavioral26
Sample
hc_client_mod_v320/script.html
Resource
win10v2004-20241007-en
General
-
Target
hc_client_mod_v320/EXE/libcurl.dll
-
Size
102KB
-
MD5
5664ab7c2978571433e89465277aef93
-
SHA1
40817e9bd69083890b41bb705f8cea3b066a6783
-
SHA256
140e5ab11c1514bfc90f937239f9675a82aaf6e6f6e391df66e7d49da34a940b
-
SHA512
23950af17bb50f54cfe6ddc97f70d496356935e4f4c24f5b6d55b0e8f597cbf4a06ff38aa966c7e9496e1fbd4f5ea19fe3526943106a9f48146bf14be3010d16
-
SSDEEP
1536:2/3CrKhoRiMnHv7/54ylia+sE+kGwRlSdu8jaW07fQpAcoLhgyzYcJTVKK7OWS8:ICr1D5fp7Y4u8WW07IboVg3uKK7OWS8
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3928 4488 WerFault.exe 84 -
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 rundll32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2776 wrote to memory of 4488 2776 rundll32.exe 84 PID 2776 wrote to memory of 4488 2776 rundll32.exe 84 PID 2776 wrote to memory of 4488 2776 rundll32.exe 84
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hc_client_mod_v320\EXE\libcurl.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2776 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\hc_client_mod_v320\EXE\libcurl.dll,#12⤵
- System Location Discovery: System Language Discovery
PID:4488 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4488 -s 6283⤵
- Program crash
PID:3928
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4488 -ip 44881⤵PID:5080