yunsip | 34a33d1ce7b83e5be9e8f1addf2ed558cc04a2c74a32a83c875f176adac0cebf

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
15-12-2024 21:13

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General

Target

34a33d1ce7b83e5be9e8f1addf2ed558cc04a2c74a32a83c875f176adac0cebf.dll
Size

707KB
MD5

b105ee10dd436ec6015c173212bde07d
SHA1

c0ff1646920e506e777f62ae2c8522b0a2172c34
SHA256

34a33d1ce7b83e5be9e8f1addf2ed558cc04a2c74a32a83c875f176adac0cebf
SHA512

0ca5c32219da7bb15466f5583c9dbb63b42da7036299cc631ab5dc83005d9e08a12070dbe36c7ecfa1f25dcf704b2829d643e66725881f0b648dd04f6a8a559f
SSDEEP

6144:o6C5AXbMn7UI1FoV2gwTBlrIckPJYYYYYYYYYYYY5:o6RI1Fo/wT3cJYYYYYYYYYYYY5

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 3052 wrote to memory of 2388	3052	rundll32.exe	83
PID 3052 wrote to memory of 2388	3052	rundll32.exe	83
PID 3052 wrote to memory of 2388	3052	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\34a33d1ce7b83e5be9e8f1addf2ed558cc04a2c74a32a83c875f176adac0cebf.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3052
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\34a33d1ce7b83e5be9e8f1addf2ed558cc04a2c74a32a83c875f176adac0cebf.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2388

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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