2c16d5a2ee0bae8e9ea59d8970d0326821344909a9fc05ec3361ea0b23566e47

Analysis

max time kernel
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
23/08/2026, 03:33

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General

Target
CSERHelper.dll
Size 109KB
Sample260823-d39sdsxtcs
SHA256 2c16d5a2ee0bae8e9ea59d8970d0326821344909a9fc05ec3361ea0b23566e47
MD5 3619ed7652f33efe261ee54b3dcf51b6
SHA1 135c743248d1b37fe3bbcc9780e6ab501f357584
SHA512 21fee04b8b9644c15c5b51e2c15347499c6702812937c8d1c754c5843e238fc534b666c210916724c6989509d56d394fb35b94685d038cf84c92ff5291358e1b
SSDEEP 1536:04LV+K0XfRcC4qOMf+6nTItU0gx1qi4p/Zf7bzHkLL3m72Sj9Ddc4K8IXcnzu83m:kK0X5jXnMeO3Ho76DdA8IXc6NtF
TLSH
T1BCB39E2273C08072D0A7167D49D5A7296BBB7F30193989075F58674F2FB1BA1AA37323
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 4824 wrote to memory of 3540	4824	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CSERHelper.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4824
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CSERHelper.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3540

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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