Overview
overview
7Static
static
3GoKuaiSetu...38.exe
windows7-x64
7GoKuaiSetu...38.exe
windows10-2004-x64
7$PLUGINSDI...ns.dll
windows7-x64
3$PLUGINSDI...ns.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows7-x64
3$PLUGINSDI...LL.dll
windows10-2004-x64
3GoKuai.exe
windows7-x64
6GoKuai.exe
windows10-2004-x64
6GoKuaiUpdate.exe
windows7-x64
3GoKuaiUpdate.exe
windows10-2004-x64
3Repair.exe
windows7-x64
6Repair.exe
windows10-2004-x64
7RunLaunch.exe
windows7-x64
1RunLaunch.exe
windows10-2004-x64
1bugreport.exe
windows7-x64
1bugreport.exe
windows10-2004-x64
1mfc100.dll
windows7-x64
1mfc100.dll
windows10-2004-x64
1msvcp100.dll
windows7-x64
3msvcp100.dll
windows10-2004-x64
3msvcr100.dll
windows7-x64
3msvcr100.dll
windows10-2004-x64
3msvcr71.dll
windows7-x64
3msvcr71.dll
windows10-2004-x64
3新云软件.url
windows7-x64
1新云软件.url
windows10-2004-x64
1Analysis
-
max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240704-en -
resource tags
arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system -
submitted
04-07-2024 23:23
Static task
static1
Behavioral task
behavioral1
Sample
GoKuaiSetup_5.1.0.38.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
GoKuaiSetup_5.1.0.38.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/InstallOptions.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win7-20240508-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/KillProcDLL.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral7
Sample
GoKuai.exe
Resource
win7-20240704-en
Behavioral task
behavioral8
Sample
GoKuai.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral9
Sample
GoKuaiUpdate.exe
Resource
win7-20240611-en
Behavioral task
behavioral10
Sample
GoKuaiUpdate.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral11
Sample
Repair.exe
Resource
win7-20240704-en
Behavioral task
behavioral12
Sample
Repair.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral13
Sample
RunLaunch.exe
Resource
win7-20240419-en
Behavioral task
behavioral14
Sample
RunLaunch.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral15
Sample
bugreport.exe
Resource
win7-20240220-en
Behavioral task
behavioral16
Sample
bugreport.exe
Resource
win10v2004-20240508-en
Behavioral task
behavioral17
Sample
mfc100.dll
Resource
win7-20240704-en
Behavioral task
behavioral18
Sample
mfc100.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral19
Sample
msvcp100.dll
Resource
win7-20240508-en
Behavioral task
behavioral20
Sample
msvcp100.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral21
Sample
msvcr100.dll
Resource
win7-20240704-en
Behavioral task
behavioral22
Sample
msvcr100.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral23
Sample
msvcr71.dll
Resource
win7-20240611-en
Behavioral task
behavioral24
Sample
msvcr71.dll
Resource
win10v2004-20240704-en
Behavioral task
behavioral25
Sample
新云软件.url
Resource
win7-20240704-en
Behavioral task
behavioral26
Sample
新云软件.url
Resource
win10v2004-20240704-en
General
-
Target
mfc100.dll
-
Size
4.1MB
-
MD5
07bccdcc337d393d7db0b2f8fe200b3f
-
SHA1
5a02b227cb0a22a8e7884cd138c3e8568d083d94
-
SHA256
bf38dda13b938b49a4df72b6477342373ee6e151be12c25cb0c17662fcb4bcd4
-
SHA512
e5637727a549cf7b88f13474097a71200f0dfa511ecd55c5a42e5f53e9f86ce8b7ce763448830fd073e232876f7537bad96f2ced8d3159558778460264d07639
-
SSDEEP
98304:BZP0PvxMJfTcXPSo0akd+BPSLC4IEy+XNy136jCfsqLhDIJJGN8mFLOAkGkzdnEe:BZP2iIE80qLrHFLOyomFHKnPAG
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30 PID 2408 wrote to memory of 1560 2408 rundll32.exe 30