7f0ade67cd8dbcf00ab248b6bb799530931f33e6f54bcd73f376db7873235043

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/05/2026, 12:37

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General

Target
Loader/Lib/msvcr100.dll
Size 761KB
Sample260502-ptpxeafy21
SHA256 7f0ade67cd8dbcf00ab248b6bb799530931f33e6f54bcd73f376db7873235043
MD5 9f3521a0e69e9a8559eda2e7b36e68f9
SHA1 b9dc8360124119de0ff79f367de8fbabf41135db
SHA512 1d1258c5c7646fe3c2ae54176aab3df37ae03743b0fb0a083cfaa8f0f270266d2f5295460ccee9ce7400939703a77062b509d7d89bac93058aa3305777f029af
SSDEEP 12288:RMmCy3nAgPAxN9ueqix/HEmxsvGrif8ZSy+rdQw2QRAtd74/vmYK6H3BVoeb:imCy3KxW3ixPEmxsvGrm8Z6r+JQPzV3
TLSH
T1C6F49D11B692C073C1B221300629D7B25D7BB8711035946BBBD59F3E1FB47C2EA277AA
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
5036	3380	WerFault.exe	82

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 688 wrote to memory of 3380	688	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\Loader\Lib\msvcr100.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:688
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\Loader\Lib\msvcr100.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3380 -s 600
    3⤵
    - Program crash
    PID:5036

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3380 -ip 3380
1⤵
PID:1860

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

Replay Monitor

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Downloads

memory/3380-0-0x0000000000E00000-0x000000000123C000-memory.dmp

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