f294e7f4f7be1f9bc726714d9562c3d28e6db46a614659abbc2308387d59f752

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-01-2025 19:33

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General

Target

_private/vstdlib.dll
Size

332KB
MD5

91bc6ecb8d841dd4911b983118553d49
SHA1

6ded5005c82a51fcd3af694af5a1df3d93a44d79
SHA256

d76f6d869ccaaa83d4384b0ec5f14ab7d72b74d99bffdc401ccdf3d50a18d9ac
SHA512

a06f017e5a57c03edddbc1c8736b3866afff6affdcc13ed3c4b810ec9d5b0eecd4b9c93bf6d73b30b934ddea6e9f1e0e05c51a179e30bd168c490d4a54ad6ee2
SSDEEP

3072:zfmUZcdk5Z4q0U00jMeHykQLz4yS+UGYiw7NvNxRYsHLi6ipmg5mmWIFY3rrKYNR:zDqR9Lz4yS+UGSRY4Sn5mqd+c6dF

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 7 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30
PID 3032 wrote to memory of 2668	3032	rundll32.exe	30

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_private\vstdlib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_private\vstdlib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668

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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