yunsip | 86eef797829df97cbefbd4008b8e8202b20f1d1b0fd38b4b1667fcc0d857bc1a

Analysis

max time kernel
146s
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
05-12-2022 17:43

Target

86eef797829df97cbefbd4008b8e8202b20f1d1b0fd38b4b1667fcc0d857bc1a.dll
Size

270KB
MD5

231a8978617bfe51575b140d9867a7f0
SHA1

4ea0e38045b688bbdd32a488ceb8cf1d133e2448
SHA256

86eef797829df97cbefbd4008b8e8202b20f1d1b0fd38b4b1667fcc0d857bc1a
SHA512

3958495feaa18e7c442e1501ff8becd0884d41bd54195e8e94d8dc02a9c5304d1aa25ce328bbe2b21fe6d66eabdde2964f8b0533652af711c5fb75f899cd5929
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0V:jDgtfRQUHPw06MoV2nwTBlhm8N

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 4648 wrote to memory of 3524	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 3524	4648	rundll32.exe	rundll32.exe
PID 4648 wrote to memory of 3524	4648	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86eef797829df97cbefbd4008b8e8202b20f1d1b0fd38b4b1667fcc0d857bc1a.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4648

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\86eef797829df97cbefbd4008b8e8202b20f1d1b0fd38b4b1667fcc0d857bc1a.dll,#1
2⤵
PID:3524