yunsip | a091eb87d70487866bc23fc26b7ad281abf023821946a93b4ce4dfd72779d678

Analysis

max time kernel
139s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 01:57

Target

a091eb87d70487866bc23fc26b7ad281abf023821946a93b4ce4dfd72779d678.dll
Size

354KB
MD5

0932b4752bb2421f4862ee85159265ec
SHA1

2f63eb28f02bb43768de0671a3dcc887a383a9fa
SHA256

a091eb87d70487866bc23fc26b7ad281abf023821946a93b4ce4dfd72779d678
SHA512

b2791070e69108edb03093fd3fc83dee9968cd419cf9808dd465a27ceb474166775c1c28b3507a6abb3a02d2e061bc573257dc829a8b35c6878f7f241c5a1bf5
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm8Y

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 4920 wrote to memory of 4932	4920	rundll32.exe	rundll32.exe
PID 4920 wrote to memory of 4932	4920	rundll32.exe	rundll32.exe
PID 4920 wrote to memory of 4932	4920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a091eb87d70487866bc23fc26b7ad281abf023821946a93b4ce4dfd72779d678.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a091eb87d70487866bc23fc26b7ad281abf023821946a93b4ce4dfd72779d678.dll,#1
2⤵
PID:4932