Overview
overview
8Static
static
8YYHeZi1.0....er.dll
windows7-x64
1YYHeZi1.0....er.dll
windows10-2004-x64
1YYHeZi1.0....te.exe
windows7-x64
8YYHeZi1.0....te.exe
windows10-2004-x64
8YYHeZi1.0....hi.exe
windows7-x64
8YYHeZi1.0....hi.exe
windows10-2004-x64
8YYHeZi1.0....er.exe
windows7-x64
8YYHeZi1.0....er.exe
windows10-2004-x64
8YYHeZi1.0....er.dll
windows7-x64
1YYHeZi1.0....er.dll
windows10-2004-x64
1YYHeZi1.0....te.exe
windows7-x64
8YYHeZi1.0....te.exe
windows10-2004-x64
8YYHeZi1.0....ll.cmd
windows7-x64
6YYHeZi1.0....ll.cmd
windows10-2004-x64
6YYHeZi1.0....ll.cmd
windows7-x64
6YYHeZi1.0....ll.cmd
windows10-2004-x64
6YYHeZi1.0....us.dll
windows7-x64
3YYHeZi1.0....us.dll
windows10-2004-x64
3YYHeZi1.0....el.dll
windows7-x64
1YYHeZi1.0....el.dll
windows10-2004-x64
3YYHeZi1.0....on.dll
windows7-x64
1YYHeZi1.0....on.dll
windows10-2004-x64
3YYHeZi1.0....ke.dll
windows7-x64
3YYHeZi1.0....ke.dll
windows10-2004-x64
3YYHeZi1.0....el.dll
windows7-x64
1YYHeZi1.0....el.dll
windows10-2004-x64
3YYHeZi1.0....ck.dll
windows7-x64
1YYHeZi1.0....ck.dll
windows10-2004-x64
3YYHeZi1.0....pi.dll
windows7-x64
1YYHeZi1.0....pi.dll
windows10-2004-x64
1YYHeZi1.0....cs.exe
windows7-x64
YYHeZi1.0....cs.exe
windows10-2004-x64
Analysis
-
max time kernel
138s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
27/11/2022, 07:34
Behavioral task
behavioral1
Sample
YYHeZi1.0.9.1985/DuoKai/loader.dll
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
YYHeZi1.0.9.1985/DuoKai/loader.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
YYHeZi1.0.9.1985/DuoKai/update.exe
Resource
win7-20220812-en
Behavioral task
behavioral4
Sample
YYHeZi1.0.9.1985/DuoKai/update.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
YYHeZi1.0.9.1985/DuoKai/yyweishi.exe
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
YYHeZi1.0.9.1985/DuoKai/yyweishi.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral7
Sample
YYHeZi1.0.9.1985/Flower/flower.exe
Resource
win7-20221111-en
Behavioral task
behavioral8
Sample
YYHeZi1.0.9.1985/Flower/flower.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral9
Sample
YYHeZi1.0.9.1985/Flower/loader.dll
Resource
win7-20220901-en
Behavioral task
behavioral10
Sample
YYHeZi1.0.9.1985/Flower/loader.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
YYHeZi1.0.9.1985/Flower/update.exe
Resource
win7-20221111-en
Behavioral task
behavioral12
Sample
YYHeZi1.0.9.1985/Flower/update.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
YYHeZi1.0.9.1985/Voice/@UNinstall.cmd
Resource
win7-20220901-en
Behavioral task
behavioral14
Sample
YYHeZi1.0.9.1985/Voice/@UNinstall.cmd
Resource
win10v2004-20220901-en
Behavioral task
behavioral15
Sample
YYHeZi1.0.9.1985/Voice/@install.cmd
Resource
win7-20221111-en
Behavioral task
behavioral16
Sample
YYHeZi1.0.9.1985/Voice/@install.cmd
Resource
win10v2004-20221111-en
Behavioral task
behavioral17
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Chorus.dll
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Chorus.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral19
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/ComDel.dll
Resource
win7-20220901-en
Behavioral task
behavioral20
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/ComDel.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral21
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Distortion.dll
Resource
win7-20221111-en
Behavioral task
behavioral22
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Distortion.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral23
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Karaoke.dll
Resource
win7-20220901-en
Behavioral task
behavioral24
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Karaoke.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral25
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/SimDel.dll
Resource
win7-20220812-en
Behavioral task
behavioral26
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/SimDel.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral27
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Stick.dll
Resource
win7-20220812-en
Behavioral task
behavioral28
Sample
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Stick.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral29
Sample
YYHeZi1.0.9.1985/Voice/Psapi.dll
Resource
win7-20220901-en
Behavioral task
behavioral30
Sample
YYHeZi1.0.9.1985/Voice/Psapi.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral31
Sample
YYHeZi1.0.9.1985/Voice/Vcs.exe
Resource
win7-20221111-en
Behavioral task
behavioral32
Sample
YYHeZi1.0.9.1985/Voice/Vcs.exe
Resource
win10v2004-20220812-en
General
-
Target
YYHeZi1.0.9.1985/Voice/Effects/Simple/Impl/Chorus.dll
-
Size
56KB
-
MD5
2d9562b3f83723fbd8cb85807dcbe926
-
SHA1
59cb544bb803b497ac331fad6e52796833d90c0e
-
SHA256
3cdd0d48afe39b1d3b960aae674fecbfbc72bf12ebdc4aa36d835ed0a959be2b
-
SHA512
ba17566fc73234d8c0db183dd1bcf383f1592a3b9429865f85e155859045e152c065821107dea7ffffb6fea2a1572c27bad8c9925e7d919948401252f3813a25
-
SSDEEP
768:MNU8qNgA5slq/VATCjQwIsU/l0jnohcgEGiB9uoF6ZdJV3rikoQaQWg:MNtq7PATCj0MouwTV5oQwg
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 3304 2352 WerFault.exe 33 -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 5112 wrote to memory of 2352 5112 rundll32.exe 33 PID 5112 wrote to memory of 2352 5112 rundll32.exe 33 PID 5112 wrote to memory of 2352 5112 rundll32.exe 33
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\YYHeZi1.0.9.1985\Voice\Effects\Simple\Impl\Chorus.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\YYHeZi1.0.9.1985\Voice\Effects\Simple\Impl\Chorus.dll,#12⤵PID:2352
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2352 -s 6163⤵
- Program crash
PID:3304
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 372 -p 2352 -ip 23521⤵PID:448