Overview

overview

10

Static

static

10

5317cc2ea8...f8.exe

windows7_x64

10

5317cc2ea8...f8.exe

windows10_x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    26/01/2022, 15:33

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General

  • Target
    5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe
  • Size 19KB
  • Sample220126-szlnqaeegk
  • SHA256 5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8
  • MD5 SHA1 SHA512
Score
10/10
nwormdownloaderworm

Malware Config

Extracted

Family

  • nworm

Version

  • v0.3.8

C2

  • padama600.ddns.net:1177

Mutex

  • b38e461c

Signatures

  • NWorm

    A TrickBot module used to propagate to vulnerable domain controllers.

    wormdownloadernworm
  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistence
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe
    "C:\Users\Admin\AppData\Local\Temp\5317cc2ea842337b08c2a510263885b2eba67f175fcea597a39382d8251148f8.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3828
    • C:\Windows\System32\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /f /sc ONLOGON /RL HIGHEST /tn "'winServices.exe"' /tr "'C:\Users\Admin\AppData\Roaming\winServices.exe"'
      2⤵
      • Creates scheduled task(s)
      PID:336
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7F1F.tmp.bat""
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1128
      • C:\Windows\system32\timeout.exe
        timeout 3
        3⤵
        • Delays execution with timeout.exe
        PID:2000
      • C:\Users\Admin\AppData\Roaming\winServices.exe
        "C:\Users\Admin\AppData\Roaming\winServices.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:2332

Network

        MITRE ATT&CK Enterprise v6

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        Downloads

        memory/2332-119-0x0000000002B50000-0x0000000002B52000-memory.dmp
        Download

        memory/3828-115-0x0000000000CE0000-0x0000000000CEC000-memory.dmp
        Download