yunsip | 1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37

Analysis

max time kernel
94s
max time network
137s
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, 19:56

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General

Target
1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll
Size 1.0MB
Sample241216-yn4m2sypgv
SHA256 1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37
MD5 0b35817c94400e80b636670b3ab831df
SHA1 6efa9d415f382b9e94eead3b8f9823f9d16fae2a
SHA512 0f70f7e8b58a3f71c0dc4fcc5eceba3a99197da88f7dee88aed03516c1a6dc0918e396060f5dd2bf6bc08659a7b5d6d9a18226b145ecf2eef2c41d2431dbd7f7
SSDEEP 3072:o6pU5Y1DXnbMn7Uzkop61/dAzV2O3XwTBftrm2YedGf3QKZDJ:o6C5AXbMn7UI1FoV2gwTBlrIckP/
MD5 SHA1 SHA512 SSDEEP

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 3576 wrote to memory of 4204	3576	rundll32.exe	83
PID 3576 wrote to memory of 4204	3576	rundll32.exe	83
PID 3576 wrote to memory of 4204	3576	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3576
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1716d70321717098882dae5ba5bfbc0365bf031e3faeda932f592ecbcd6c9c37.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4204

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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