Overview

overview

7

Static

static

3

SIR_KeyGen.exe

windows10-ltsc_2021-x64

7

$TEMP/BASSMOD.dll

windows10-ltsc_2021-x64

3

$TEMP/R2RSIRKG2.dll

windows10-ltsc_2021-x64

3

$TEMP/keygen.exe

windows10-ltsc_2021-x64

3

Resubmissions

24/09/2026, 09:20

260924-la5a7sxx8l7

24/09/2026, 09:09

260924-k4v4ysac457

24/09/2026, 09:04

260924-k1xtda1hmf7

Analysis

  • max time kernel
    149s
  • max time network
    140s
  • platform
    windows10-ltsc_2021_x64
  • resource
    win10ltsc2021-20260911-en
  • resource tags

    arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
  • submitted
    24/09/2026, 09:04

Sharing

Copy URL Twitter E-mail
Report Analysis Logs

General

  • Target
    $TEMP/BASSMOD.dll
  • Size 33KB
  • Sample260924-k1xtda1hmf
  • SHA256 8ad9e47693e292f381da42ddc13724a3063040e51c26f4ca8e1f8e2f1ddd547f
  • 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
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\BASSMOD.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\$TEMP\BASSMOD.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2456-0-0x0000000010000000-0x0000000010013000-memory.dmp
        Download