ef2eda19438cddf647db6429a157d41321cb17ee2e5d4d35d08d50f304b46212

Analysis

max time kernel
146s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 14:08

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General

Target

997C SP程序(1.0.0.16)更新包/设计文件更改/YH-NIS/yhserver/Split_Class.dll
Size

34KB
MD5

858f7940dab921704d39f0b53168d59b
SHA1

4d88076a2eaf4bb57b561591ef3fa428dd61b5bb
SHA256

c3ab51cf439ac29f227be6d4fe3ad018bf1f269e885a62c9db1fe6e2030480cb
SHA512

1da6d190f9adc9b2a4e6c514a1e9a7d0fc683e9ff24f433ff089385baf561530dab854e379ddfba2c8df9d1d16e845221d1f813b782763f1036cb265a5e00a38
SSDEEP

768:c1EE00ACCLSvrdsjThIcgT67CcNz6kM8Cf:cy0Bra5IcgTrcN8r

Score

3^/10

discovery

Malware Config

Signatures

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 912 wrote to memory of 1092	912	rundll32.exe	84
PID 912 wrote to memory of 1092	912	rundll32.exe	84
PID 912 wrote to memory of 1092	912	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe "C:\Users\Admin\AppData\Local\Temp\997C SP程序(1.0.0.16)更新包\设计文件更改\YH-NIS\yhserver\Split_Class.dll",#1
1⤵
- Suspicious use of WriteProcessMemory
PID:912
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe "C:\Users\Admin\AppData\Local\Temp\997C SP程序(1.0.0.16)更新包\设计文件更改\YH-NIS\yhserver\Split_Class.dll",#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1092

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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