yunsip | 1ca4ab13a9181f897702dbee23a154d8f552bb147d39c2dee3f0e1f3d9a444a9 | Triage

Analysis

max time kernel
36s
max time network
49s
platform
windows10_x64
resource
win10v20210408
submitted
18-05-2021 11:57

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General

Target

1ca4ab13a9181f897702dbee23a154d8f552bb147d39c2dee3f0e1f3d9a444a9.dll
Size

1013KB
MD5

afbd34604bd8366e510f4f61cd3df112
SHA1

16193d2e0bee2d99ad62f91d92177f8730601e55
SHA256

1ca4ab13a9181f897702dbee23a154d8f552bb147d39c2dee3f0e1f3d9a444a9
SHA512

5d9db070e7cb2c5a3dc7189c71aac849aea08bf93828c370819ff4c34d74cea0662e3baad2cdb62987999f4679fd261524b0d54296d7ee726229b0337ca25027

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 804 wrote to memory of 1556	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1556	804	rundll32.exe	rundll32.exe
PID 804 wrote to memory of 1556	804	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ca4ab13a9181f897702dbee23a154d8f552bb147d39c2dee3f0e1f3d9a444a9.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:804

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1ca4ab13a9181f897702dbee23a154d8f552bb147d39c2dee3f0e1f3d9a444a9.dll,#1
2⤵
PID:1556

MITRE ATT&CK Matrix

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Downloads

memory/1556-114-0x0000000000000000-mapping.dmp

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