yunsip | 28aacbc7421e797aab1e99cdc90969dc58da04a350df7161f8a9e4124d997a99

Analysis

max time kernel
9s
max time network
33s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
29-11-2022 12:56

Target

28aacbc7421e797aab1e99cdc90969dc58da04a350df7161f8a9e4124d997a99.dll
Size

240KB
MD5

a794a2abbacfa55cc0d9b4a260b93070
SHA1

bbf382315e2c63b398e598ba0df70294c00ffd0e
SHA256

28aacbc7421e797aab1e99cdc90969dc58da04a350df7161f8a9e4124d997a99
SHA512

e6cece228d1674d3094ec70f59a3320a6ab52c317939e6fdfbdf79419e8ee44ce24e7d92b43ef094831cc6e49f11bce50c1888e0d1c93ff90884fd2d46a37d2c
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm84

Score

10^/10

Yunsip
Remote backdoor which communicates with a C2 server to receive commands.
trojan banker yunsip

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe
PID 1144 wrote to memory of 1336	1144	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28aacbc7421e797aab1e99cdc90969dc58da04a350df7161f8a9e4124d997a99.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1144

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28aacbc7421e797aab1e99cdc90969dc58da04a350df7161f8a9e4124d997a99.dll,#1
2⤵
PID:1336

memory/1336-54-0x0000000000000000-mapping.dmp

Download
memory/1336-55-0x0000000075F01000-0x0000000075F03000-memory.dmp

Filesize
8KB

Download