1f6db9be716626f6803cefd646fbbc478878c6acce597d9f6c5776dc7b69d3c7

Analysis

max time kernel
149s
max time network
127s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
01/05/2026, 12:19

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General

Target
_decimal.dll
Size 193KB
Sample260501-pg7lpabs3k
SHA256 1f6db9be716626f6803cefd646fbbc478878c6acce597d9f6c5776dc7b69d3c7
MD5 bcdbf3a04a8bfd8c8a9624996735fc1a
SHA1 08d35c136fe5c779b67f56ae7165b394d5c8d8ef
SHA512 d22195c0a0535f7986d0a6d0bb820d36c8824a0b15378cb5d5ab0f334064896e0d64ed880d706f80e0b96d022631fc6b4fcc47371ca1d5cdd2c37dd75c62274b
SSDEEP 6144:S7rUlbBbvgwO0Fhy9WrhuqaxY3XMW5gxfvMVvp:Sklb1vgwDFhF/aMVvp
TLSH
T1CF146B22E243E17EE5E611F641FF56FEBA78002043AA96D3B2DD6DA026906D3337D345
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
720	3216	WerFault.exe	79

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 1 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 3216	2856	rundll32.exe	79

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\_decimal.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2856
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\_decimal.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3216
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3216 -s 520
    3⤵
    - Program crash
    PID:720

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3216 -ip 3216
1⤵
PID:2920

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/3216-0-0x0000000002020000-0x000000000209C000-memory.dmp

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