yunsip | 9a76074ebe9a6b35a28559e1714e093a14d7d1338cb9991923f7c12a6af5d534

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2025, 17:15

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General

Target

9a76074ebe9a6b35a28559e1714e093a14d7d1338cb9991923f7c12a6af5d534.dll
Size

527KB
MD5

fd6d55097ef9ffd8d7cb2397bfc16ac0
SHA1

73fa4a134d1e553011975f1429479211457189c1
SHA256

9a76074ebe9a6b35a28559e1714e093a14d7d1338cb9991923f7c12a6af5d534
SHA512

2991f228049eb2a53589e7bebc8cdf5942721950fd6a4e027ee0433238736f994f0eb58992dd49a78b6e5e17d875f1b52ed200db6be136fb8b29812d04a31cb6
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0Q:jDgtfRQUHPw06MoV2nwTBlhm84

Score

10^/10

yunsip banker discovery trojan

Malware Config

Signatures

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

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1472 wrote to memory of 2592	1472	rundll32.exe	83
PID 1472 wrote to memory of 2592	1472	rundll32.exe	83
PID 1472 wrote to memory of 2592	1472	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a76074ebe9a6b35a28559e1714e093a14d7d1338cb9991923f7c12a6af5d534.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1472
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9a76074ebe9a6b35a28559e1714e093a14d7d1338cb9991923f7c12a6af5d534.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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