yunsip | 1f7b4be973c0e59abcf401b93b0974df871fdda6b9d34cff29c5368eea87caba

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
03-11-2023 19:48

Target

NEAS.7ce36402de07b0933c22e43f444102f0_JC.dll
Size

799KB
MD5

7ce36402de07b0933c22e43f444102f0
SHA1

924ed47e74ca34e375aeb5a626c5a4fa10d2c38d
SHA256

1f7b4be973c0e59abcf401b93b0974df871fdda6b9d34cff29c5368eea87caba
SHA512

0bec100b89f49723187a434797a9ad2d58ca65bcaa912138691e98db8332c5f63b605439e350bda649f2bd18d9bca171552a680ade3a17416d13223a2ae3f067
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q00:jDgtfRQUHPw06MoV2nwTBlhm8s

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 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28
PID 1696 wrote to memory of 2164	1696	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7ce36402de07b0933c22e43f444102f0_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\NEAS.7ce36402de07b0933c22e43f444102f0_JC.dll,#1
  2⤵
  PID:2164