yunsip | 8716bde581a28d518389dbbdb4cbcf771cacc2580a87ac563637ce35d8222393

Analysis

max time kernel
92s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-12-2024 01:19

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General

Target

8716bde581a28d518389dbbdb4cbcf771cacc2580a87ac563637ce35d8222393N.dll
Size

992KB
MD5

28e371d02131061d69b2f35e40735800
SHA1

3dbcea740bb4803544c425fba6c7c5483748c349
SHA256

8716bde581a28d518389dbbdb4cbcf771cacc2580a87ac563637ce35d8222393
SHA512

fb9ceb8d2211c00651474962394d22a30e7674b91b07f9acad642a8544ace04e0a2eb708e69034a01496b76d462a9863f73a07d8f676f602b7ac7b5914281eaf
SSDEEP

3072:jDKpt9sSR0HUHPwZWLnWVfEAzV2IJIwTBftpmc+z+f3Q08:jDgtfRQUHPw06MoV2nwTBlhm8E

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 4764 wrote to memory of 3728	4764	rundll32.exe	83
PID 4764 wrote to memory of 3728	4764	rundll32.exe	83
PID 4764 wrote to memory of 3728	4764	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8716bde581a28d518389dbbdb4cbcf771cacc2580a87ac563637ce35d8222393N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8716bde581a28d518389dbbdb4cbcf771cacc2580a87ac563637ce35d8222393N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3728

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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