Analysis

  • max time kernel
    146s
  • max time network
    202s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-11-2022 08:23

General

  • Target

    fix/folksongs.js

  • Size

    134B

  • MD5

    2aa3c40df6f891e2e7dffa367b141a3c

  • SHA1

    8af7beca046de11e381264f743db534200a54f15

  • SHA256

    4cf5a64266417d67650078a62f3f89874c418d152f963f7b04a86137c32538b3

  • SHA512

    b12fd7eb357a60eeea6277718ce2adf92c859660e265f3a78bed00d87897da0901362a2ece470ed977fdf89e024322a4cff4cbe621b243cb9574bd2dab771ee8

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 2 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\fix\folksongs.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4248
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass fix\catechism.ps1
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4612

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4612-132-0x0000000000000000-mapping.dmp
  • memory/4612-133-0x0000019B4DBE0000-0x0000019B4DC02000-memory.dmp
    Filesize

    136KB

  • memory/4612-134-0x00007FFD3A560000-0x00007FFD3B021000-memory.dmp
    Filesize

    10.8MB

  • memory/4612-135-0x00007FFD3A560000-0x00007FFD3B021000-memory.dmp
    Filesize

    10.8MB