3627adef7e04dd7aa9b8e116d0afc11dcee40d0e09d573210a4f86bdc81a80b6

Analysis

max time kernel
150s
max time network
144s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
26/10/2026, 19:09

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General

Target
bass.dll
Size 90KB
Sample261026-xt19favy5q
SHA256 3627adef7e04dd7aa9b8e116d0afc11dcee40d0e09d573210a4f86bdc81a80b6
MD5 6731f160e001bb85ba930574b8d42776
SHA1 aa2b48c55d9350be1ccf1dce921c33100e627378
SHA512 07ae0cb85464b015b35e6157228775a6ac66e5e62a1b47f9395307b61176b6df835e00a1518846507718acffc271263008cc8a9b2c1e8a0192c5438774e12437
SSDEEP 1536:lyKkZPP882+8hMJ8Y8bRVYvVqGWWkaloy4bFcx/Rus5Ay6X0T3VzkxH9J:NmNN8bRVYNqGzCy8RQwXQ3pKdJ
TLSH
T1EF930199F5D17627C41A713D6BF203F3D0DDEA88C42B9F8D4E055B8028E79D96988F28
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 3880 wrote to memory of 4508	3880	rundll32.exe	89

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3880
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bass.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4508

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/4508-0-0x0000000010000000-0x0000000010041000-memory.dmp

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