c29a1fa42e7fd1d5a844a8a1686160c8976f147fb6aea0f263309886aec437e6

Analysis

max time kernel
149s
max time network
109s
platform
windows11-21h2_x64
resource
win11-20250610-en
resource tags

arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system
submitted
08/05/2026, 16:27

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General

Target
ExternalLibraries/irrKlang.NET.dll
Size 432KB
Sample260508-tx9s7set2r
SHA256 c29a1fa42e7fd1d5a844a8a1686160c8976f147fb6aea0f263309886aec437e6
MD5 6be3efd04667f517e2f292c3ba9505ac
SHA1 ec6f2c03a3b029ad618ec10f847e93c2586837a9
SHA512 65652f1ecb2f40bdc52471829d2152bd738bd311ee8cc82b8afde730a757d623886e80d2a27bcec5203af8e15fbb057cf8e83bafe359692aff1a66468aa69740
SSDEEP 6144:kRSQ3HqvYZjVjmo8uzAhgcNN95g+PpniViEoj+dwLSf9da8bCuVd2peCMwR01hj:1QrjVPPgfg+BSE8572pHIR
TLSH
T183948D3362D2893FC0DB12B656467AA9EAFDCB5E81F6AE930F0418F51518D478E583C3
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 6028 wrote to memory of 2900	6028	rundll32.exe	78

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExternalLibraries\irrKlang.NET.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:6028
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ExternalLibraries\irrKlang.NET.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2900

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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