yunsip | ed2ea1b5e027b6b50515bb20c83e04e21c64838cb49c61c1d60c926e3defb8f2

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
28-03-2024 01:01

Target

ed2ea1b5e027b6b50515bb20c83e04e21c64838cb49c61c1d60c926e3defb8f2.dll
Size

177KB
MD5

fb218ce6a5904b3657195a30f9ef1496
SHA1

8ca398eb97e49add0bd3d6523d362aea2e7c0dbc
SHA256

ed2ea1b5e027b6b50515bb20c83e04e21c64838cb49c61c1d60c926e3defb8f2
SHA512

116575f982f7d9d4b715b9d1cc7980d63e8c4149ec63da67f87c51ccbdee3396c1f5b31df3d733cf547a17a982cd0e92e625ca922f63243ce1c13f9a9bb0a780
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0N:jDgtfRQUHPw06MoV2nwTBlhm81

Score

10^/10

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

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1720 wrote to memory of 1624	1720	rundll32.exe	rundll32.exe
PID 1720 wrote to memory of 1624	1720	rundll32.exe	rundll32.exe
PID 1720 wrote to memory of 1624	1720	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed2ea1b5e027b6b50515bb20c83e04e21c64838cb49c61c1d60c926e3defb8f2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1720

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ed2ea1b5e027b6b50515bb20c83e04e21c64838cb49c61c1d60c926e3defb8f2.dll,#1
2⤵
PID:1624