yunsip | efbcf3521ee0bc7fb274099ec7b5f4dd149d33529cd0dbe014f55ae01533c6e4

Analysis

max time kernel
120s
max time network
131s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
15-10-2023 14:46

Target

61733b2e02e496718869759dcefe6b60_dll32_JC.dll
Size

177KB
MD5

61733b2e02e496718869759dcefe6b60
SHA1

9920e31238aa1af134c12bb4f166f23c698d17ec
SHA256

efbcf3521ee0bc7fb274099ec7b5f4dd149d33529cd0dbe014f55ae01533c6e4
SHA512

9bd51af1d1af85987abbe9378d3ee8f4fcfbd69fc7ab46cff78d7bebf2ab159f840399493918c676e84d8c2c76c4756255e2bad8c2830fdafd324a0c9e021d9e
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0J:jDgtfRQUHPw06MoV2nwTBlhm8h

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 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27
PID 3036 wrote to memory of 2832	3036	rundll32.exe	27

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\61733b2e02e496718869759dcefe6b60_dll32_JC.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\61733b2e02e496718869759dcefe6b60_dll32_JC.dll,#1
  2⤵
  PID:2832