bb54d934fb889f8ee44c4dfd86cec68b92a95415ad13b3068035f2ec6f381804

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29/09/2024, 00:07

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General

Target

MP4转换器/codecs/atrc3260.dll
Size

72KB
MD5

72d780ef3578ce8431cff86bcc9496f6
SHA1

1b99ac1b62899a4f5830d9bbd786b317aaf6289e
SHA256

8c360d8c39006b6a011dbf3a0313e818eeb53990556659c5a1b7e478048e7fbb
SHA512

a17bb64a508f4952aa1ecdd27850ba2460b3c1b8dedf0e11aa3707be025512930b8ef5778e88387230c35ad4840442944b7f9eef43e6065ae3b549959b4c7377
SSDEEP

768:t0H24Njupst+NRxt7c2fJcfCd6jP+NAO0IpBQbYwdq2bdIYTZaon+sQYYemE:qH/u5xt7vq1jGNFvHwp98XsQheB

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 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31
PID 1992 wrote to memory of 2060	1992	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\atrc3260.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1992
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\MP4转换器\codecs\atrc3260.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2060

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

Windows 7 deprecation

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