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
138s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-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/msvcp100.dll
-
Size
411KB
-
MD5
03e9314004f504a14a61c3d364b62f66
-
SHA1
0aa3caac24fdf9d9d4c618e2bbf0a063036cd55d
-
SHA256
a3ba6421991241bea9c8334b62c3088f8f131ab906c3cc52113945d05016a35f
-
SHA512
2fcff4439d2759d93c57d49b24f28ae89b7698e284e76ac65fe2b50bdefc23a8cc3c83891d671de4e4c0f036cef810856de79ac2b028aa89a895bf35abff8c8d
-
SSDEEP
12288:iHEqYsrMWIqz473PTiPoH/aGhUgiW6QR7t5qv3Ooc8UHkC2eKq87:iH9YsIWIW4rPTiPofaDv3Ooc8UHkC2e8
Malware Config
Signatures
-
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target Process procid_target 4264 4248 WerFault.exe 79 -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
rundll32.exedescription pid Process procid_target PID 2620 wrote to memory of 4248 2620 rundll32.exe 79 PID 2620 wrote to memory of 4248 2620 rundll32.exe 79 PID 2620 wrote to memory of 4248 2620 rundll32.exe 79
Processes
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\msvcp100.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\msvcp100.dll,#12⤵PID:4248
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4248 -s 6043⤵
- Program crash
PID:4264
-
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4248 -ip 42481⤵PID:3536