yunsip | 3d0f96766a6d43c45fb460e36740b9b23091fa07f4d306f0a0d4723868ab0f7e

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
13-10-2023 20:36

Target

NEAS.b651f2746de0054685ac65867fa303c0.dll
Size

1.0MB
MD5

b651f2746de0054685ac65867fa303c0
SHA1

b8a04aa91bfdf7ecb21fe0b7458396a935f0917e
SHA256

3d0f96766a6d43c45fb460e36740b9b23091fa07f4d306f0a0d4723868ab0f7e
SHA512

cb254901a2b69dce825deacfd3e0b4d857e64ea4756bdb47a5e087a7bd6255f5feb4c9325651d7b0819eb684392c4b909c7fa8a7e1c2f9366e48f3037063a271
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYs:o6RI1Fo/wT3cJYYYYYYYYYYYYs

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 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28
PID 3020 wrote to memory of 2124	3020	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b651f2746de0054685ac65867fa303c0.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3020
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.b651f2746de0054685ac65867fa303c0.dll,#1
  2⤵
  PID:2124