1d016c7c7f1420749bb5d7c1d265ff7bebc59f0cc4aa487e546d7eed7ea0154b

Analysis

max time kernel
15s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-02-2025 15:11

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General

Target

manual/mssvoice.dll
Size

149KB
MD5

ac55930ed33d9c3a6af4d398af5a9c89
SHA1

acdf9d6979615b680a6a30775e271cb08a594e35
SHA256

e99de0f5e95a70b84596a66aa1af8eb7f20cb9816e1fc67dbdd8f0feab1b26ac
SHA512

0da24ccb53a7b80dd8d35335adf29f9ef13c0b22de4eb0e4e45f1ce7c72f462e9a536eb640c30d3ad4b84956299b492502101ff86e1d9ce256e1a983f229f023
SSDEEP

3072:0NHep9vbLw51j8QYOQJBJgf56GrEJ9e9MLgSwI6atPC9wm5f:0NI9vYYxlgxc+MLgSwI6at6/

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2568	3048	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 2488 wrote to memory of 3048	2488	rundll32.exe	30
PID 3048 wrote to memory of 2568	3048	rundll32.exe	31
PID 3048 wrote to memory of 2568	3048	rundll32.exe	31
PID 3048 wrote to memory of 2568	3048	rundll32.exe	31
PID 3048 wrote to memory of 2568	3048	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\manual\mssvoice.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2488
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\manual\mssvoice.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3048 -s 232
    3⤵
    - Program crash
    PID:2568

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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