yunsip | 4962726b0eca4e2314373315cb238033fcc45440f41579174bc549726eb661dd

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-04-2024 21:19

Target

4962726b0eca4e2314373315cb238033fcc45440f41579174bc549726eb661dd.dll
Size

886KB
MD5

e683c6d908395043be7bec5596673cd2
SHA1

db875067ab75af7c769a5e7e5db4feeeeaaba0a5
SHA256

4962726b0eca4e2314373315cb238033fcc45440f41579174bc549726eb661dd
SHA512

c1b81dd6102351cad623b3a5448754ea1592d18d91fd94eabe5f125e471727574d5f3e10df17d3f897f347c7f8c1b1e4088538d69b4e5e55bebc0d8be87c56e8
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY2jjjjjjjjjjjjjjjjjjjjjjo:o6RI1Fo/wT3cJYYYYYYYYYYYYf

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 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28
PID 2240 wrote to memory of 1312	2240	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4962726b0eca4e2314373315cb238033fcc45440f41579174bc549726eb661dd.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4962726b0eca4e2314373315cb238033fcc45440f41579174bc549726eb661dd.dll,#1
  2⤵
  PID:1312