yunsip | c148a6ddeb51d4fc0de56eb6deb96a1c05ac8a06df637bb15865ba039f23172e

Analysis

max time kernel
94s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
19-02-2025 05:55

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General

Target

c148a6ddeb51d4fc0de56eb6deb96a1c05ac8a06df637bb15865ba039f23172e.dll
Size

527KB
MD5

bcf491672604b7fe0732f3a09ff7eaef
SHA1

3773871bce8eb7c45d787de166720520df965c84
SHA256

c148a6ddeb51d4fc0de56eb6deb96a1c05ac8a06df637bb15865ba039f23172e
SHA512

7b99c9bcda9276b4b0d354f6d01f33117adffa032c45400057d751ee852b01f47c52e9bfa78145e4f39c9aa1c3504751aa5de3e89576a729d7b73ad0702f3743
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0K:jDgtfRQUHPw06MoV2nwTBlhm8i

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 5560 wrote to memory of 804	5560	rundll32.exe	85
PID 5560 wrote to memory of 804	5560	rundll32.exe	85
PID 5560 wrote to memory of 804	5560	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c148a6ddeb51d4fc0de56eb6deb96a1c05ac8a06df637bb15865ba039f23172e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5560
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c148a6ddeb51d4fc0de56eb6deb96a1c05ac8a06df637bb15865ba039f23172e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:804

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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