Overview
overview
9Static
static
991vpn(3.5....pn.exe
windows7-x64
891vpn(3.5....pn.exe
windows10-2004-x64
891vpn(3.5....ce.dll
windows7-x64
191vpn(3.5....ce.dll
windows10-2004-x64
891vpn(3.5....xy.dll
windows7-x64
791vpn(3.5....xy.dll
windows10-2004-x64
791vpn(3.5....00.dll
windows7-x64
191vpn(3.5....00.dll
windows10-2004-x64
191vpn(3.5....00.dll
windows7-x64
391vpn(3.5....00.dll
windows10-2004-x64
391vpn(3.5....00.dll
windows7-x64
391vpn(3.5....00.dll
windows10-2004-x64
391vpn(3.5....er.exe
windows7-x64
891vpn(3.5....er.exe
windows10-2004-x64
891vpn(3.5....il.dll
windows7-x64
791vpn(3.5....il.dll
windows10-2004-x64
791vpn(3.5....CN.dll
windows7-x64
191vpn(3.5....CN.dll
windows10-2004-x64
1Analysis
-
max time kernel
14s -
max time network
35s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
27-11-2022 06:44
Behavioral task
behavioral1
Sample
91vpn(3.5.4)/91vpn/91vpn.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
91vpn(3.5.4)/91vpn/91vpn.exe
Resource
win10v2004-20221111-en
Behavioral task
behavioral3
Sample
91vpn(3.5.4)/91vpn/appface.dll
Resource
win7-20221111-en
Behavioral task
behavioral4
Sample
91vpn(3.5.4)/91vpn/appface.dll
Resource
win10v2004-20221111-en
Behavioral task
behavioral5
Sample
91vpn(3.5.4)/91vpn/httpproxy.dll
Resource
win7-20221111-en
Behavioral task
behavioral6
Sample
91vpn(3.5.4)/91vpn/httpproxy.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral7
Sample
91vpn(3.5.4)/91vpn/mfc100.dll
Resource
win7-20220901-en
Behavioral task
behavioral8
Sample
91vpn(3.5.4)/91vpn/mfc100.dll
Resource
win10v2004-20220901-en
Behavioral task
behavioral9
Sample
91vpn(3.5.4)/91vpn/msvcp100.dll
Resource
win7-20220812-en
Behavioral task
behavioral10
Sample
91vpn(3.5.4)/91vpn/msvcp100.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral11
Sample
91vpn(3.5.4)/91vpn/msvcr100.dll
Resource
win7-20220812-en
Behavioral task
behavioral12
Sample
91vpn(3.5.4)/91vpn/msvcr100.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral13
Sample
91vpn(3.5.4)/91vpn/updater.exe
Resource
win7-20220812-en
Behavioral task
behavioral14
Sample
91vpn(3.5.4)/91vpn/updater.exe
Resource
win10v2004-20220901-en
Behavioral task
behavioral15
Sample
91vpn(3.5.4)/91vpn/vpnutil.dll
Resource
win7-20220812-en
Behavioral task
behavioral16
Sample
91vpn(3.5.4)/91vpn/vpnutil.dll
Resource
win10v2004-20220812-en
Behavioral task
behavioral17
Sample
91vpn(3.5.4)/91vpn/zh-CN.dll
Resource
win7-20220812-en
Behavioral task
behavioral18
Sample
91vpn(3.5.4)/91vpn/zh-CN.dll
Resource
win10v2004-20220812-en
General
-
Target
91vpn(3.5.4)/91vpn/appface.dll
-
Size
277KB
-
MD5
ca69f84b164dd69a96bef1b2761c7596
-
SHA1
81f352575d8056a8516b9cbb4f73b8c0c6730c28
-
SHA256
e6870e771feb8095b42f03349032cc08ca01948b6672ad307f7355232970e895
-
SHA512
f9ffc2ae28cb596f4c010ed860275c2ee2bdf96ac34ee2dd3b20bcf1c636d1f760ece74946c10eb41a031b61882a7eceaeac8b70e6a1d8ca03b02ebcaa38f857
-
SSDEEP
6144:FTa+ar8WYs/v9tS08ttqgGEp2zL6UQHNWgb5sZN4rZ2BYejlNTqFg91k:FaDxlx8hngH6UQH3CZNkI3O
Malware Config
Signatures
-
Suspicious use of WriteProcessMemory 7 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27 PID 1952 wrote to memory of 884 1952 rundll32.exe 27
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\appface.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\appface.dll,#12⤵PID:884
-