c25957200e1390b6a5facb4b1c52c55a8690bd3ca63dbb2f2cc770510e74448e

Analysis

max time kernel
149s
max time network
93s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
15/04/2026, 20:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
IUser.dll
Size 188KB
Sample260415-ythb1abz7v
SHA256 c25957200e1390b6a5facb4b1c52c55a8690bd3ca63dbb2f2cc770510e74448e
MD5 b54e00b79373514e838220436bd3f275
SHA1 9cea61a706a28439574d8f1aafe40cd040f5e156
SHA512 8efba669069d41c16e059cdf9bc74944e858b40e07f82a8160a3522e95ad770ab620bee78e0b10a184f31744931aeb790f4dcd4b895617875537ebd29b40a848
SSDEEP 3072:rR5V8qXjwUr2evAytiDQ6Vfo/x67VSKxE3hzHwJO4co5Ht/H157:95j8UrTtIuxmbxUrNYD/b
TLSH
T17214AE127AE0C47BD29B0132BF6B1F69B7FDD2448FF459878B100E9E9EB1946C422617
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	regsvr32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 928 wrote to memory of 5084	928	regsvr32.exe	79

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\IUser.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:928
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\IUser.dll
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5084

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

Replay Monitor

Loading Replay Monitor...

Downloads