0d6e80341bbe729ec982295201a421955bbc818114dbeabb19f90a81f757e56d

Analysis

max time kernel
138s
max time network
149s
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

Target

91vpn(3.5.4)/91vpn/httpproxy.dll
Size

105KB
MD5

16848d947d10770269512554a0defb7d
SHA1

5299bc40a1944a34537904983af7b61ada6227c3
SHA256

41a8aca7eb8483243676f2473cd98de507d814fdd7db81653c0aee0a69cdaff9
SHA512

5bde5b62b30365ce14f94d7546ffa015f4c07435211078c5e8767886b1438e361763c09d3e9e05193117e3c5e57bda048eda211b5e36132139ac690b5eafefb8
SSDEEP

1536:e8/zU/fGxBhO05YAoEYH7Th4F9dxMbRSPkJsBTAALlkWtOnCEePRQyo:tzU/8hOOxce5+beBTAALJOnCEePCd

Score

7^/10

Loads dropped DLL 2 IoCs

Processes:

rundll32.exe

pid	Process
1272	rundll32.exe
1272	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\91vpn.log	rundll32.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
4224	1272	WerFault.exe	79

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	Process	procid_target
PID 4728 wrote to memory of 1272	4728	rundll32.exe	79
PID 4728 wrote to memory of 1272	4728	rundll32.exe	79
PID 4728 wrote to memory of 1272	4728	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\httpproxy.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4728
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\91vpn(3.5.4)\91vpn\httpproxy.dll,#1
  2⤵
  - Loads dropped DLL
  - Drops file in System32 directory
  PID:1272
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1272 -s 684
    3⤵
    - Program crash
    PID:4224

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1272 -ip 1272
1⤵
PID:1988

C:\Users\Admin\AppData\Local\Temp\8244.tmp

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
C:\Users\Admin\AppData\Local\Temp\8244.tmp

Filesize
60KB

MD5
889b99c52a60dd49227c5e485a016679

SHA1
8fa889e456aa646a4d0a4349977430ce5fa5e2d7

SHA256
6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

SHA512
08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

Download Submit
memory/1272-132-0x0000000000000000-mapping.dmp

Download