yunsip | c1c986e488efe789e6a6e74f254cacd42b8e6244c81d11569fa7e71a1d44ab6c | Triage

Analysis

max time kernel
9s
max time network
62s
platform
windows7_x64
resource
win7v20210408
submitted
18-05-2021 13:06

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General

Target

c1c986e488efe789e6a6e74f254cacd42b8e6244c81d11569fa7e71a1d44ab6c.dll
Size

1006KB
MD5

6a3b8acbe7cea8377da421b9dbbcf31a
SHA1

93b80e8c351209a8b82ed81785228dddd998964f
SHA256

c1c986e488efe789e6a6e74f254cacd42b8e6244c81d11569fa7e71a1d44ab6c
SHA512

89c1a86be7b23198db405608301c9161c181278b11ea1318b96869c2b850c8921692a84d249208e34cf90e4431782dddcc76399cc23729618da7312037196534

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 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe
PID 1080 wrote to memory of 1916	1080	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c986e488efe789e6a6e74f254cacd42b8e6244c81d11569fa7e71a1d44ab6c.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1080

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c1c986e488efe789e6a6e74f254cacd42b8e6244c81d11569fa7e71a1d44ab6c.dll,#1
2⤵
PID:1916

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1916-60-0x0000000000000000-mapping.dmp

Download
memory/1916-61-0x0000000075AF1000-0x0000000075AF3000-memory.dmp

Filesize
8KB

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