yunsip | b7d83dd34fcb48d543d7dbc5cef52b040609dbf831754ec3318e2c6197b20c62 | Triage

Analysis

max time kernel
61s
max time network
122s
platform
windows10_x64
resource
win10v20201028
submitted
08-11-2020 18:09

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General

Target

b7d83dd34fcb48d543d7dbc5cef52b040609dbf831754ec3318e2c6197b20c62.dll
Size

729KB
MD5

eb13bd884b6f3b2f3968c1ade3357605
SHA1

f5cfe567e9020cd15357b0e8cc9517d4cd09f20e
SHA256

b7d83dd34fcb48d543d7dbc5cef52b040609dbf831754ec3318e2c6197b20c62
SHA512

6846b07eaaa0a0a134b0e80c42f84abb1ec89d947622e177d8ca82ce328a768ce50c5c2dfc0b46c8d117ffa66d7d0e2a6c6761abaa052d1259fc7370b7cc11e6

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 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 3408 wrote to memory of 3332	3408	rundll32.exe	rundll32.exe
PID 3408 wrote to memory of 3332	3408	rundll32.exe	rundll32.exe
PID 3408 wrote to memory of 3332	3408	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7d83dd34fcb48d543d7dbc5cef52b040609dbf831754ec3318e2c6197b20c62.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3408

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b7d83dd34fcb48d543d7dbc5cef52b040609dbf831754ec3318e2c6197b20c62.dll,#1
2⤵
PID:3332

Network

MITRE ATT&CK Matrix

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Downloads

memory/3332-0-0x0000000000000000-mapping.dmp

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