yunsip | 7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09-04-2024 23:05

Target

9d3f2ba9ad7b706b23b58603c301f43b.dll
Size

625KB
MD5

9d3f2ba9ad7b706b23b58603c301f43b
SHA1

6ea6e655b78502ac64326e1e0e747a425759423c
SHA256

7f09e34ea4c4dcbe651b306a14c4973dd38c38391d69371f504e5c8ccb5c8282
SHA512

94262f5d53b41262b98265156728bc7fb3699f942215239fc6bf87d537d99b79aa4c7abde206debb6e25a004dd904fe46d0cffb3a2179a4bba334062b719eb4a
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY5:o6RI1Fo/wT3cJYYYYYYYYYYYY5

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 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28
PID 2236 wrote to memory of 2880	2236	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d3f2ba9ad7b706b23b58603c301f43b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2236
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9d3f2ba9ad7b706b23b58603c301f43b.dll,#1
  2⤵
  PID:2880