yunsip | af089b3dc7879814cf15f84ad28951bee6ffbce3abfc9510fe00841531ba99e7

Analysis

max time kernel
3s
max time network
30s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
01-12-2022 08:42

Target

af089b3dc7879814cf15f84ad28951bee6ffbce3abfc9510fe00841531ba99e7.dll
Size

359KB
MD5

1bcbacbc0dadecee1a9571c30ba2e3ed
SHA1

7b7800f8913a8250008c60d9d7284ad487adbda2
SHA256

af089b3dc7879814cf15f84ad28951bee6ffbce3abfc9510fe00841531ba99e7
SHA512

9ef93c4d70ad83b34e38c44509c224dd62665a94216f45f039752afc326c4d86276b067b7338eb48d30a6ae4842caccd93ca09f1522b26921fa7c25aa071aae5
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0/:jDgtfRQUHPw06MoV2nwTBlhm8n

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 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28
PID 1956 wrote to memory of 960	1956	rundll32.exe	28

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\af089b3dc7879814cf15f84ad28951bee6ffbce3abfc9510fe00841531ba99e7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\af089b3dc7879814cf15f84ad28951bee6ffbce3abfc9510fe00841531ba99e7.dll,#1
  2⤵
  PID:960

memory/960-55-0x0000000075DA1000-0x0000000075DA3000-memory.dmp

Filesize
8KB

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