yunsip | d6dcbbe5daa1549f915650e9e3c34e8b3c1e014567f3a4a4c3449b0434d90e93

Analysis

max time kernel
95s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 04:07

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General

Target

d6dcbbe5daa1549f915650e9e3c34e8b3c1e014567f3a4a4c3449b0434d90e93.dll
Size

669KB
MD5

c0946399abd10367fb3cb232c827f195
SHA1

3bcf9289802fccf37eb20800a1f6f660ad6dbc01
SHA256

d6dcbbe5daa1549f915650e9e3c34e8b3c1e014567f3a4a4c3449b0434d90e93
SHA512

ebfed317861615d7fcbebe2f1055b9bf851e4df297e00b06f783fde9fe4a0823f99457023639109f7064a11e495771e7d424d14ade6f11f59e3d4c8e995dc938
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q0J:jDgtfRQUHPw06MoV2nwTBlhm8B

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 4576 wrote to memory of 4064	4576	rundll32.exe	82
PID 4576 wrote to memory of 4064	4576	rundll32.exe	82
PID 4576 wrote to memory of 4064	4576	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6dcbbe5daa1549f915650e9e3c34e8b3c1e014567f3a4a4c3449b0434d90e93.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6dcbbe5daa1549f915650e9e3c34e8b3c1e014567f3a4a4c3449b0434d90e93.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4064

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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