yunsip | 1eef51abe1c2d459d64e194a93041a9ddcafa3f133e90081ffd05c29eee4fae2

Analysis

max time kernel
119s
max time network
122s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
06-11-2023 00:54

Target

NEAS.67220333b6ae3465bf366dccad6c94a0.dll
Size

686KB
MD5

67220333b6ae3465bf366dccad6c94a0
SHA1

7f40f9a9ff4a4b708eff34149c24db74a8065159
SHA256

1eef51abe1c2d459d64e194a93041a9ddcafa3f133e90081ffd05c29eee4fae2
SHA512

c1bcb9c48c80dad348ad982facc3e294094320198433bc13924af1563ef672792d572d2864591ce16c4b6bf1716a7fcf7cf2a6636dae8d24e211b16959846b2d
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYr:o6RI1Fo/wT3cJYYYYYYYYYYYYr

Score

10^/10

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

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28
PID 1180 wrote to memory of 1184	1180	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.67220333b6ae3465bf366dccad6c94a0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.67220333b6ae3465bf366dccad6c94a0.dll,#1
  2⤵
  PID:1184