Analysis

  • max time kernel
    148s
  • max time network
    125s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260911-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    11/09/2026, 18:25

General

  • Target
    njtzac0.dll
  • Size 860KB
  • Sample260911-w2pd6sswfs
  • SHA256 ee264a9ac85435880323e9666bd673c0099fc8ffd3c6b5850291b98953d46169
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • dridex

Botnet
  • 10444

C2
  • 210.65.244.184:443

  • 147.78.186.4:10051

  • 62.75.168.152:6601

rc4.plain
rc4.plain

Signatures

  • Family: Dridex

    Dridex(known as Bugat/Cridex) is a form of malware that specializes in stealing bank credentials.

  • Badlisted process makes network request 2 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • 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.

  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\njtzac0.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\njtzac0.dll,#1
      2⤵
      • Badlisted process makes network request
      • Checks whether UAC is enabled
      • System Location Discovery: System Language Discovery
      PID:4012

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        memory/4012-0-0x0000000074916000-0x000000007491A000-memory.dmp

        memory/4012-3-0x0000000074840000-0x0000000074972000-memory.dmp

        memory/4012-4-0x0000000074840000-0x0000000074972000-memory.dmp

        memory/4012-5-0x0000000074916000-0x000000007491A000-memory.dmp

        memory/4012-6-0x0000000074840000-0x0000000074972000-memory.dmp