yunsip | 25d9002804c315ab26f8e1c6adbc31fcce8ac1b2fb00272d87763a0aef20b601

Analysis

max time kernel
148s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20240221-en
resource tags

arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
submitted
24-02-2024 15:01

Target

a224157a9fe7df4ab2539b7f713122df.dll
Size

231KB
MD5

a224157a9fe7df4ab2539b7f713122df
SHA1

a20e3f4045420945bcc93d7066e81f869238fc16
SHA256

25d9002804c315ab26f8e1c6adbc31fcce8ac1b2fb00272d87763a0aef20b601
SHA512

ec33b325ac7615a86eae9a3676b107cedb932cd7b14f14f961237280915b55ce8ffdaad5b7cb99fc741f87240a060a0319ad92a6db1d95ffe923f96515e3ee2a
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Z:jDgtfRQUHPw06MoV2nwTBlhm8x

Score

10^/10

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 4896 wrote to memory of 2560	4896	rundll32.exe	rundll32.exe
PID 4896 wrote to memory of 2560	4896	rundll32.exe	rundll32.exe
PID 4896 wrote to memory of 2560	4896	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a224157a9fe7df4ab2539b7f713122df.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4896

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a224157a9fe7df4ab2539b7f713122df.dll,#1
2⤵
PID:2560