7a4cfbce1eb48d4f8988212c2e338d7781b9894ef0f525e871c22bb730a74f3e

Analysis

max time kernel
149s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
20/10/2026, 11:03

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General

Target
mfc100u.dll
Size 4.2MB
Sample261020-m51ryabb66
SHA256 7a4cfbce1eb48d4f8988212c2e338d7781b9894ef0f525e871c22bb730a74f3e
MD5 f841f32ad816dbf130f10d86fab99b1a
SHA1 0f8b90814b33275cf39f95e769927497da9460bf
SHA512 6222f16722a61ee6950b6fbcbe46c2b08e2394ce3dd32d34656faf2719e190e66b4e59617c83f117ad3793b1292a107f275087b037cf1b6e4d9819323748079a
SSDEEP 98304:zge9f+eJ5LbHVlaHqQ1NaXJw9QxCqk23i3ggGe9SfcoLDPiHkKos7FLOAkGkzdnR:zxf5cBudLps7FLOyomFHKnPAw
TLSH
T147168D217ED951B1C8D325B1069E7279A25EECE867301AC391503BFBE9783C07E3958B
MD5 SHA1 SHA512 SSDEEP TLSH

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 1 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2256	2876	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\mfc100u.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\mfc100u.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2256

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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