yunsip | c8396b86827923d6817a127251efedec61fca36b8408d7c383388e945822f19b | Triage

Analysis

max time kernel
125s
max time network
158s
platform
windows7_x64
resource
win7v20210408
submitted
18-05-2021 08:04

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General

Target

c8396b86827923d6817a127251efedec61fca36b8408d7c383388e945822f19b.dll
Size

452KB
MD5

d5c834782f6fbdeb12c2d8d692084c3d
SHA1

8c280323774c7d5bf93ecdcf7809bd843cc96e41
SHA256

c8396b86827923d6817a127251efedec61fca36b8408d7c383388e945822f19b
SHA512

8de7900756839cde844af8ba87159d51156fc06ed3a2f3c18187209c8b2b984c1e1b332bfe461411b7ba87a7446990ee0869c773f50cfe36dc1471ce3e0bda19

Score

10^/10

yunsip banker trojan

Malware Config

Signatures

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 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe
PID 1920 wrote to memory of 844	1920	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8396b86827923d6817a127251efedec61fca36b8408d7c383388e945822f19b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1920

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c8396b86827923d6817a127251efedec61fca36b8408d7c383388e945822f19b.dll,#1
2⤵
PID:844

MITRE ATT&CK Matrix

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Downloads

memory/844-60-0x0000000000000000-mapping.dmp

Download
memory/844-61-0x0000000076691000-0x0000000076693000-memory.dmp

Filesize
8KB

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