yunsip | 7eceb338622f1c8d3a55be2a4a06dd8397465b920d0ee37d9739953fe11c5dca

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30-09-2024 16:26

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General

Target

7eceb338622f1c8d3a55be2a4a06dd8397465b920d0ee37d9739953fe11c5dcaN.dll
Size

610KB
MD5

ed32dad0734dfa82a2f10b5a56283fa0
SHA1

adaf6105d3acdf126126ba4147dec67ebf8653d5
SHA256

7eceb338622f1c8d3a55be2a4a06dd8397465b920d0ee37d9739953fe11c5dca
SHA512

9e4ffcd7fd124ad63d95f706c8e27b746cf626f5be0805b533c361cca43527a3bddbb4fd6d1a46c24df3378010513a47ad4eb43da45aff0adf3b48065f05cda2
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYa:o6RI1Fo/wT3cJYYYYYYYYYYYYa

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

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 2676 wrote to memory of 3204	2676	rundll32.exe	82
PID 2676 wrote to memory of 3204	2676	rundll32.exe	82
PID 2676 wrote to memory of 3204	2676	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\7eceb338622f1c8d3a55be2a4a06dd8397465b920d0ee37d9739953fe11c5dcaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\7eceb338622f1c8d3a55be2a4a06dd8397465b920d0ee37d9739953fe11c5dcaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3204

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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