Overview
overview
7Static
static
3KwSing-v1.6.0.5.exe
windows7-x64
7KwSing-v1.6.0.5.exe
windows10-2004-x64
7$PLUGINSDI...if.dll
windows7-x64
3$PLUGINSDI...if.dll
windows10-2004-x64
3$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...ng.dll
windows7-x64
3$PLUGINSDI...ng.dll
windows10-2004-x64
3$PLUGINSDI...ew.dll
windows7-x64
3$PLUGINSDI...ew.dll
windows10-2004-x64
3$PLUGINSDI...is.dll
windows7-x64
3$PLUGINSDI...is.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3$TEMP/KWMU...te.exe
windows7-x64
7$TEMP/KWMU...te.exe
windows10-2004-x64
7$PLUGINSDI...64.dll
windows7-x64
3$PLUGINSDI...64.dll
windows10-2004-x64
3$PLUGINSDI...ew.dll
windows7-x64
3$PLUGINSDI...ew.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows7-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDIR/inetc.dll
windows7-x64
3$PLUGINSDIR/inetc.dll
windows10-2004-x64
3BugReport.dll
windows7-x64
1BugReport.dll
windows10-2004-x64
1Analysis
-
max time kernel
121s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
12-02-2024 05:36
Static task
static1
Behavioral task
behavioral1
Sample
KwSing-v1.6.0.5.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
KwSing-v1.6.0.5.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/AnimGif.dll
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/AnimGif.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20231215-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20231215-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/KuWoNsis_kwsing.dll
Resource
win7-20231129-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/KuWoNsis_kwsing.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win7-20231215-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
$PLUGINSDIR/KwSingNsis.dll
Resource
win7-20231215-en
Behavioral task
behavioral16
Sample
$PLUGINSDIR/KwSingNsis.dll
Resource
win10v2004-20231215-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231215-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231215-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral21
Sample
$TEMP/KWMUSIC/DownloadUpdate.exe
Resource
win7-20231215-en
Behavioral task
behavioral22
Sample
$TEMP/KWMUSIC/DownloadUpdate.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral23
Sample
$PLUGINSDIR/Base64.dll
Resource
win7-20231215-en
Behavioral task
behavioral24
Sample
$PLUGINSDIR/Base64.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral25
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win7-20231215-en
Behavioral task
behavioral26
Sample
$PLUGINSDIR/KuWoNsis_new.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral27
Sample
$PLUGINSDIR/System.dll
Resource
win7-20231129-en
Behavioral task
behavioral28
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral29
Sample
$PLUGINSDIR/inetc.dll
Resource
win7-20231129-en
Behavioral task
behavioral30
Sample
$PLUGINSDIR/inetc.dll
Resource
win10v2004-20231222-en
Behavioral task
behavioral31
Sample
BugReport.dll
Resource
win7-20231215-en
Behavioral task
behavioral32
Sample
BugReport.dll
Resource
win10v2004-20231222-en
General
-
Target
$PLUGINSDIR/KuWoNsis_new.dll
-
Size
101KB
-
MD5
5b7d3fc9651089f373df83a9bdc922a7
-
SHA1
e0ee059b261e89bef6bdc9392ea4a579686a410f
-
SHA256
cb1e6695c6d55c3bd4b8d12cbe6a2e48687e72c84223256a3431560b2d4d7e59
-
SHA512
5feaf4de80e9057c9b3fc2d5ef2a5b7ef857fa7de67e5e5aa56915d06cd42b8544a8e707140bf182ad4907fc51a022fa597316f27e481abe170ba2548d64f911
-
SSDEEP
1536:D3h2lAZyQr64O173t81vfTvkrkuV4OclyTJafC1:Lh2l0yG6Z3O13y4OcluUC
Malware Config
Signatures
-
Program crash 1 IoCs
pid pid_target Process procid_target 1256 2312 WerFault.exe 28 -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2420 wrote to memory of 2312 2420 rundll32.exe 28 PID 2312 wrote to memory of 1256 2312 rundll32.exe 29 PID 2312 wrote to memory of 1256 2312 rundll32.exe 29 PID 2312 wrote to memory of 1256 2312 rundll32.exe 29 PID 2312 wrote to memory of 1256 2312 rundll32.exe 29
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2420 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\KuWoNsis_new.dll,#12⤵
- Suspicious use of WriteProcessMemory
PID:2312 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2312 -s 2283⤵
- Program crash
PID:1256
-
-