yunsip | 6e55957dcea836871bae4c2d3711dd6ff50f432df8ec1ec290c96413660926eb

Analysis

max time kernel
118s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 15:09

Target

c1e9bede046557e251ef348439042fa0_dll32_JC.dll
Size

617KB
MD5

c1e9bede046557e251ef348439042fa0
SHA1

4999f9d375e0e0f2c9b9f40369118be90c69578e
SHA256

6e55957dcea836871bae4c2d3711dd6ff50f432df8ec1ec290c96413660926eb
SHA512

dfaf23d0127697270457f80dc94f089b58d03fe54769346058048da5249aaed6c6e6d1a19b2cdeb128f84cbf006712603240c33a5d0f21c17133d32eecc6e96e
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0y:jDgtfRQUHPw06MoV2nwTBlhm8a

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 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28
PID 1596 wrote to memory of 2704	1596	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1e9bede046557e251ef348439042fa0_dll32_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1596
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1e9bede046557e251ef348439042fa0_dll32_JC.dll,#1
  2⤵
  PID:2704