yunsip | 55ed312b56c058500631b2f2085f2dab452c214027b6c5c9c75882aee3b55e43

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-10-2024 17:20

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General

Target

55ed312b56c058500631b2f2085f2dab452c214027b6c5c9c75882aee3b55e43N.dll
Size

802KB
MD5

e434bea9016da73343c34f6fe52a7430
SHA1

5c9994e7a0e4ae075b98f3dad1949107612fe26a
SHA256

55ed312b56c058500631b2f2085f2dab452c214027b6c5c9c75882aee3b55e43
SHA512

af445f24d7d0bb3b4bb1eda5b016fb9a34fd3f356d1295d53a668d7fc2d4c8a39bb2f275aef7df7431536dd924ab388e846ec11bfb17fdc5c20c3b197c911743
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYYV:o6RI1Fo/wT3cJYYYYYYYYYYYYV

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 3028 wrote to memory of 4464	3028	rundll32.exe	85
PID 3028 wrote to memory of 4464	3028	rundll32.exe	85
PID 3028 wrote to memory of 4464	3028	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\55ed312b56c058500631b2f2085f2dab452c214027b6c5c9c75882aee3b55e43N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\55ed312b56c058500631b2f2085f2dab452c214027b6c5c9c75882aee3b55e43N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4464

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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